/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --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_spec2_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:37:05,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:37:05,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:37:05,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:37:05,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:37:05,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:37:05,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:37:05,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:37:05,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:37:05,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:37:05,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:37:05,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:37:05,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:37:05,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:37:05,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:37:05,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:37:05,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:37:05,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:37:05,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:37:05,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:37:05,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:37:05,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:37:05,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:37:05,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:37:05,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:37:05,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:37:05,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:37:05,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:37:05,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:37:05,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:37:05,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:37:05,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:37:05,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:37:05,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:37:05,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:37:05,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:37:05,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:37:05,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:37:05,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:37:05,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:37:05,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:37:05,091 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 08:37:05,118 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:37:05,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:37:05,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:37:05,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:37:05,120 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:37:05,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:37:05,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:37:05,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:37:05,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:37:05,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:37:05,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:37:05,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:37:05,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:37:05,122 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:37:05,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:37:05,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:37:05,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:37:05,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:37:05,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:37:05,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:37:05,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:37:05,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:37:05,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:37:05,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:37:05,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:37:05,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:37:05,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:37:05,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:37:05,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:37:05,125 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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:37:05,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:37:05,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:37:05,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:37:05,631 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:37:05,632 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:37:05,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-09-25 08:37:05,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4aff6b0ce/f9d7bde5503d4c1c92f6631339b0d4fd/FLAGd0f3191c5 [2020-09-25 08:37:06,344 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:37:06,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-09-25 08:37:06,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4aff6b0ce/f9d7bde5503d4c1c92f6631339b0d4fd/FLAGd0f3191c5 [2020-09-25 08:37:06,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4aff6b0ce/f9d7bde5503d4c1c92f6631339b0d4fd [2020-09-25 08:37:06,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:37:06,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:37:06,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:37:06,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:37:06,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:37:06,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:37:06" (1/1) ... [2020-09-25 08:37:06,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac45341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:37:06, skipping insertion in model container [2020-09-25 08:37:06,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:37:06" (1/1) ... [2020-09-25 08:37:06,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:37:06,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:37:07,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:37:07,170 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:37:07,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:37:07,299 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:37:07,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:37:07 WrapperNode [2020-09-25 08:37:07,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:37:07,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:37:07,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:37:07,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:37:07,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:37:07" (1/1) ... [2020-09-25 08:37:07,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:37:07" (1/1) ... [2020-09-25 08:37:07,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:37:07" (1/1) ... [2020-09-25 08:37:07,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:37:07" (1/1) ... [2020-09-25 08:37:07,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:37:07" (1/1) ... [2020-09-25 08:37:07,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:37:07" (1/1) ... [2020-09-25 08:37:07,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:37:07" (1/1) ... [2020-09-25 08:37:07,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:37:07,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:37:07,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:37:07,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:37:07,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:37:07" (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 08:37:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:37:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:37:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:37:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:37:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:37:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:37:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:37:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:37:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:37:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:37:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:37:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:37:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:37:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:37:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:37:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:37:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:37:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:37:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:37:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:37:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:37:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:37:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:37:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:37:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:37:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:37:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:37:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 08:37:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:37:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:37:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:37:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:37:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:37:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:37:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:37:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 08:37:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 08:37:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:37:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:37:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:37:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:37:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:37:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:37:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:37:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:37:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:37:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:37:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:37:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:37:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:37:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:37:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:37:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:37:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:37:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:37:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:37:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:37:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:37:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:37:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:37:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:37:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:37:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:37:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:37:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:37:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:37:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:37:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:37:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 08:37:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:37:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:37:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:37:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 08:37:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:37:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:37:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:37:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:37:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:37:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:37:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:37:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 08:37:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:37:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:37:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:37:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:37:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:37:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:37:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:37:08,739 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:37:08,739 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:37:08,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:37:08 BoogieIcfgContainer [2020-09-25 08:37:08,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:37:08,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:37:08,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:37:08,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:37:08,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:37:06" (1/3) ... [2020-09-25 08:37:08,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5b7a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:37:08, skipping insertion in model container [2020-09-25 08:37:08,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:37:07" (2/3) ... [2020-09-25 08:37:08,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5b7a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:37:08, skipping insertion in model container [2020-09-25 08:37:08,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:37:08" (3/3) ... [2020-09-25 08:37:08,757 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2020-09-25 08:37:08,769 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:37:08,782 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:37:08,805 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:37:08,836 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:37:08,836 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:37:08,836 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:37:08,836 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:37:08,836 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:37:08,837 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:37:08,837 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:37:08,837 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:37:08,867 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states. [2020-09-25 08:37:08,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 08:37:08,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:37:08,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:37:08,887 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:37:08,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:37:08,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1439262157, now seen corresponding path program 1 times [2020-09-25 08:37:08,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:37:08,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688007346] [2020-09-25 08:37:08,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:37:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:09,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:09,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:11,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:12,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:12,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:13,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:14,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:14,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 08:37:14,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 08:37:14,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-09-25 08:37:14,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:14,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:14,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 08:37:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:14,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 08:37:14,854 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:37:14,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:37:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:14,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:14,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:37:15,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 08:37:15,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:37:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:15,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:15,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:37:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:15,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:15,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:37:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:15,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:37:15,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:37:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:15,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:15,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:15,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:37:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:37:15,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:15,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 08:37:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:15,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:37:15,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:15,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 08:37:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:15,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:15,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:15,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,204 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 08:37:15,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688007346] [2020-09-25 08:37:15,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:37:15,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:37:15,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846602048] [2020-09-25 08:37:15,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:37:15,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:37:15,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:37:15,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:37:15,249 INFO L87 Difference]: Start difference. First operand 269 states. Second operand 4 states. [2020-09-25 08:37:16,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:37:16,736 INFO L93 Difference]: Finished difference Result 387 states and 462 transitions. [2020-09-25 08:37:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:37:16,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 08:37:16,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:37:16,759 INFO L225 Difference]: With dead ends: 387 [2020-09-25 08:37:16,759 INFO L226 Difference]: Without dead ends: 260 [2020-09-25 08:37:16,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:37:16,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-09-25 08:37:16,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 212. [2020-09-25 08:37:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-25 08:37:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 227 transitions. [2020-09-25 08:37:16,879 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 227 transitions. Word has length 148 [2020-09-25 08:37:16,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:37:16,882 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 227 transitions. [2020-09-25 08:37:16,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:37:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 227 transitions. [2020-09-25 08:37:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 08:37:16,893 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:37:16,894 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] [2020-09-25 08:37:16,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:37:16,895 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:37:16,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:37:16,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1995914943, now seen corresponding path program 1 times [2020-09-25 08:37:16,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:37:16,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506390577] [2020-09-25 08:37:16,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:37:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:17,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:17,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:18,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:19,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:21,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:22,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:22,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 08:37:22,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:37:22,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 08:37:22,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:22,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:22,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:22,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 08:37:22,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:37:22,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:22,311 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:37:22,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:37:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:22,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:22,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:22,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:37:22,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:22,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 08:37:22,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:22,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:22,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:22,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:37:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:22,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:22,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:22,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:22,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:22,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:22,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:22,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:22,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:22,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:37:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:22,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:22,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:22,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:22,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:22,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:22,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:22,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:22,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:22,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:22,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:22,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:37:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:22,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:22,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:22,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:22,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:37:22,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:22,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:22,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:22,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:37:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:22,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:22,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:22,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:22,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:22,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:22,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:22,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:22,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:22,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:37:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:22,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:22,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:22,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:37:22,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:22,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:22,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:22,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:22,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:22,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 08:37:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:22,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:22,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:22,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:22,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:22,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:22,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:22,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:22,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:22,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:22,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:22,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 08:37:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:22,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:22,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:22,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:22,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:22,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:22,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:22,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:22,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 08:37:22,561 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 08:37:22,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506390577] [2020-09-25 08:37:22,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:37:22,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:37:22,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114568260] [2020-09-25 08:37:22,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:37:22,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:37:22,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:37:22,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:37:22,568 INFO L87 Difference]: Start difference. First operand 212 states and 227 transitions. Second operand 5 states. [2020-09-25 08:37:23,283 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:37:23,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:37:23,980 INFO L93 Difference]: Finished difference Result 303 states and 343 transitions. [2020-09-25 08:37:23,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:37:23,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 08:37:23,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:37:23,984 INFO L225 Difference]: With dead ends: 303 [2020-09-25 08:37:23,984 INFO L226 Difference]: Without dead ends: 249 [2020-09-25 08:37:23,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:37:23,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-09-25 08:37:24,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 202. [2020-09-25 08:37:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-09-25 08:37:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 214 transitions. [2020-09-25 08:37:24,025 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 214 transitions. Word has length 149 [2020-09-25 08:37:24,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:37:24,026 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 214 transitions. [2020-09-25 08:37:24,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:37:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 214 transitions. [2020-09-25 08:37:24,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 08:37:24,030 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:37:24,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:37:24,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:37:24,033 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:37:24,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:37:24,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1172868170, now seen corresponding path program 1 times [2020-09-25 08:37:24,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:37:24,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146039946] [2020-09-25 08:37:24,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:37:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:24,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:24,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:25,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:25,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:26,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:29,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:29,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-25 08:37:29,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:37:29,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 08:37:29,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:29,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 08:37:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:37:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:29,595 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:37:29,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:37:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:29,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:29,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:29,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:37:29,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:29,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 08:37:29,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:29,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:29,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:29,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:29,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:29,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:29,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:37:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:29,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:29,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:29,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:29,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:29,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:29,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:29,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:29,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:29,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:29,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:29,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:29,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:37:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:29,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:29,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:29,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:29,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:29,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:37:29,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:29,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:29,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:29,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:29,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:29,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:29,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:37:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:29,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:29,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:29,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:29,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:29,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:37:29,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:29,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:29,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:37:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:29,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:29,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:29,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:29,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:29,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:37:29,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:29,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:29,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:29,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:29,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:29,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:29,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:37:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:29,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:29,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:29,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:37:29,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:29,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:29,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:29,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:29,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:29,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:29,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:29,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:29,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:37:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:29,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:29,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:29,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:37:29,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:29,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:29,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:29,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:37:29,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:29,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 08:37:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:29,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:29,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:29,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:29,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:29,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:29,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:29,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:29,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 08:37:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:29,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:29,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:29,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:29,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:29,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:29,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:29,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:29,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:29,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:29,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:29,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:29,842 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 08:37:29,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146039946] [2020-09-25 08:37:29,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:37:29,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:37:29,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474737753] [2020-09-25 08:37:29,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:37:29,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:37:29,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:37:29,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:37:29,847 INFO L87 Difference]: Start difference. First operand 202 states and 214 transitions. Second operand 6 states. [2020-09-25 08:37:30,401 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:31,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:37:31,811 INFO L93 Difference]: Finished difference Result 452 states and 530 transitions. [2020-09-25 08:37:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:37:31,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 08:37:31,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:37:31,816 INFO L225 Difference]: With dead ends: 452 [2020-09-25 08:37:31,817 INFO L226 Difference]: Without dead ends: 365 [2020-09-25 08:37:31,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:37:31,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-09-25 08:37:31,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 273. [2020-09-25 08:37:31,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-09-25 08:37:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 296 transitions. [2020-09-25 08:37:31,871 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 296 transitions. Word has length 162 [2020-09-25 08:37:31,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:37:31,871 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 296 transitions. [2020-09-25 08:37:31,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:37:31,872 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 296 transitions. [2020-09-25 08:37:31,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 08:37:31,874 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:37:31,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:37:31,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:37:31,874 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:37:31,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:37:31,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1570168867, now seen corresponding path program 1 times [2020-09-25 08:37:31,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:37:31,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [505851653] [2020-09-25 08:37:31,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:37:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:31,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:32,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:36,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:36,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 08:37:36,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:37:36,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 08:37:36,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:36,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 08:37:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 08:37:36,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 08:37:36,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:37,357 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:37:37,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:37:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:37,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:37,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:37,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:37:37,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:37,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-25 08:37:37,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:37,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:37,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:37,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:37,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 08:37:37,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:37,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:37:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:37,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:37,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:37,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:37,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:37,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:37:37,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:37,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:37,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:37,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:37,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:37,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:37,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:37:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:37,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:37,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:37,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:37,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:37,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:37:37,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:37,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:37,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:37,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:37:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:37,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:37,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:37,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:37,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:37,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:37:37,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:37,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:37,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:37,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:37,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:37:37,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:37,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:37:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:37,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:37,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:37,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:37,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:37,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:37:37,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:37,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:37,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:37,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:37:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:37,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:37,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:37,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:37:37,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:37,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:37:37,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:37,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:37,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:37,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:37,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:37:37,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:37,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:37:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:37,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:37,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:37,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:37:37,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:37,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:37:37,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:37,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:37,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:37,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:37,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:37:37,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:37,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 08:37:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:37,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:37,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:37,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:37,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:37,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:37:37,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:37,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:37,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:37,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:37,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:37,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:37,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 08:37:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:37,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:37,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:37,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:37,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:37:37,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:37,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:37:37,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:37,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 08:37:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:37,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:37,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:37,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:37,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:37,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 08:37:37,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:37,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:37,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:37:37,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:37,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:37:37,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:37,966 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 08:37:37,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [505851653] [2020-09-25 08:37:37,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:37:37,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:37:37,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143075112] [2020-09-25 08:37:37,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:37:37,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:37:37,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:37:37,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:37:37,970 INFO L87 Difference]: Start difference. First operand 273 states and 296 transitions. Second operand 10 states. [2020-09-25 08:37:38,730 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:39,859 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:40,451 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 08:37:40,811 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:41,112 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:37:41,419 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:41,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:37:41,670 INFO L93 Difference]: Finished difference Result 482 states and 567 transitions. [2020-09-25 08:37:41,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 08:37:41,671 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 08:37:41,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:37:41,672 INFO L225 Difference]: With dead ends: 482 [2020-09-25 08:37:41,672 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:37:41,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-25 08:37:41,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:37:41,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:37:41,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:37:41,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:37:41,678 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-25 08:37:41,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:37:41,678 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:37:41,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:37:41,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:37:41,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:37:41,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:37:41,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:37:41,848 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 08:37:42,021 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:42,193 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:42,357 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:42,517 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:42,674 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:42,833 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:42,992 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:43,122 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 08:37:43,252 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 08:37:43,407 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:43,572 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:43,675 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 08:37:43,829 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:44,122 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:37:44,420 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:37:44,712 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:37:45,007 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:37:45,152 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:37:45,301 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:45,454 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:45,565 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 08:37:45,716 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:45,869 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:46,017 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:46,171 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:46,324 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:46,478 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:46,630 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:46,879 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 08:37:47,220 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 08:37:47,476 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 08:37:47,820 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 08:37:48,161 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 08:37:48,503 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 08:37:48,845 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 08:37:48,998 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:49,244 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 08:37:49,594 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 08:37:49,837 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 08:37:50,183 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 08:37:50,529 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 08:37:50,871 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 08:37:51,213 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 08:37:51,366 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:51,515 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:51,672 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:51,825 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:51,978 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:52,127 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:52,280 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:52,433 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:52,582 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:52,737 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:52,889 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:53,042 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:53,196 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:53,357 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:53,509 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:53,661 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:53,822 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:54,113 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:37:54,406 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:37:54,701 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:37:54,996 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:37:55,146 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:55,300 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:55,452 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:55,614 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:55,722 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 08:37:55,948 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 08:37:56,163 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 08:37:56,379 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 08:37:56,767 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-25 08:37:56,969 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 08:37:57,165 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 08:37:57,317 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12