/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=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:08:49,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:08:49,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:08:49,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:08:49,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:08:49,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:08:49,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:08:49,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:08:49,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:08:49,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:08:49,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:08:49,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:08:49,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:08:49,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:08:49,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:08:49,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:08:49,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:08:49,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:08:49,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:08:49,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:08:49,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:08:49,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:08:49,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:08:49,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:08:49,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:08:49,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:08:49,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:08:49,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:08:49,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:08:49,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:08:49,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:08:49,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:08:49,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:08:49,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:08:49,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:08:49,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:08:49,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:08:49,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:08:49,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:08:49,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:08:49,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:08:49,579 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 05:08:49,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:08:49,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:08:49,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:08:49,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:08:49,607 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:08:49,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:08:49,607 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:08:49,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:08:49,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:08:49,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:08:49,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:08:49,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:08:49,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:08:49,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:08:49,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:08:49,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:08:49,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:08:49,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:08:49,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:08:49,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:08:49,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:08:49,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:08:49,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:08:49,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:08:49,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:08:49,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:08:49,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:08:49,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:08:49,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:08:49,612 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=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:08:50,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:08:50,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:08:50,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:08:50,093 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:08:50,094 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:08:50,095 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product41.cil.c [2020-09-25 05:08:50,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c34781d84/f36976894e984b2c9c87d1eddf3e79d7/FLAG2873f8122 [2020-09-25 05:08:50,705 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:08:50,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product41.cil.c [2020-09-25 05:08:50,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c34781d84/f36976894e984b2c9c87d1eddf3e79d7/FLAG2873f8122 [2020-09-25 05:08:51,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c34781d84/f36976894e984b2c9c87d1eddf3e79d7 [2020-09-25 05:08:51,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:08:51,035 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:08:51,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:08:51,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:08:51,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:08:51,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:08:51" (1/1) ... [2020-09-25 05:08:51,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361633d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:08:51, skipping insertion in model container [2020-09-25 05:08:51,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:08:51" (1/1) ... [2020-09-25 05:08:51,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:08:51,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:08:51,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:08:51,657 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:08:51,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:08:51,773 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:08:51,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:08:51 WrapperNode [2020-09-25 05:08:51,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:08:51,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:08:51,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:08:51,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:08:51,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:08:51" (1/1) ... [2020-09-25 05:08:51,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:08:51" (1/1) ... [2020-09-25 05:08:51,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:08:51" (1/1) ... [2020-09-25 05:08:51,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:08:51" (1/1) ... [2020-09-25 05:08:51,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:08:51" (1/1) ... [2020-09-25 05:08:51,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:08:51" (1/1) ... [2020-09-25 05:08:51,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:08:51" (1/1) ... [2020-09-25 05:08:51,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:08:51,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:08:51,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:08:51,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:08:51,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:08:51" (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 05:08:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:08:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:08:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:08:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:08:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:08:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:08:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:08:51,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:08:51,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:08:51,963 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:08:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:08:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:08:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:08:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:08:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:08:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:08:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 05:08:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:08:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:08:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:08:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 05:08:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:08:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:08:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:08:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:08:51,968 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:08:51,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 05:08:51,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:08:51,969 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:08:51,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:08:51,970 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:08:51,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:08:51,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:08:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:08:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:08:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:08:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:08:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 05:08:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:08:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:08:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:08:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:08:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:08:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:08:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:08:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:08:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:08:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:08:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:08:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:08:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:08:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:08:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:08:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:08:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:08:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:08:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:08:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:08:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:08:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:08:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:08:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:08:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:08:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:08:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:08:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:08:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:08:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 05:08:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:08:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:08:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:08:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:08:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 05:08:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:08:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:08:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 05:08:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 05:08:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:08:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:08:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:08:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:08:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:08:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:08:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:08:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:08:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:08:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:08:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:08:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:08:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:08:53,073 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:08:53,074 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:08:53,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:08:53 BoogieIcfgContainer [2020-09-25 05:08:53,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:08:53,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:08:53,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:08:53,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:08:53,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:08:51" (1/3) ... [2020-09-25 05:08:53,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f14944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:08:53, skipping insertion in model container [2020-09-25 05:08:53,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:08:51" (2/3) ... [2020-09-25 05:08:53,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f14944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:08:53, skipping insertion in model container [2020-09-25 05:08:53,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:08:53" (3/3) ... [2020-09-25 05:08:53,090 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product41.cil.c [2020-09-25 05:08:53,101 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:08:53,111 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:08:53,132 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:08:53,164 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:08:53,164 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:08:53,164 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:08:53,164 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:08:53,164 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:08:53,165 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:08:53,165 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:08:53,165 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:08:53,192 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states. [2020-09-25 05:08:53,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 05:08:53,209 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:08:53,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:08:53,211 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:08:53,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:08:53,219 INFO L82 PathProgramCache]: Analyzing trace with hash -304356178, now seen corresponding path program 1 times [2020-09-25 05:08:53,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:08:53,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306574643] [2020-09-25 05:08:53,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:08:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:53,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:54,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:55,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:55,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:58,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:58,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 05:08:58,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:08:58,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 05:08:58,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:58,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 05:08:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:58,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 05:08:58,996 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:58,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:08:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:59,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:59,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:59,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:08:59,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:59,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 05:08:59,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:59,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:59,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:59,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:08:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:59,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:59,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:59,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:59,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:59,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:59,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:59,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:59,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:59,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:59,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:59,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:59,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:08:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:59,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:59,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:59,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:59,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:59,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:59,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:59,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:59,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:59,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:59,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:59,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:59,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:08:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:59,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:59,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:59,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:59,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:59,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:08:59,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:59,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:59,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:59,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:08:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:59,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:59,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:59,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:59,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:59,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:59,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:59,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:59,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:59,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:59,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:59,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:59,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:08:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:59,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:59,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:59,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:59,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:59,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:59,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:59,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:59,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:59,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:59,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:59,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:08:59,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:08:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:59,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:59,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:59,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:59,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:59,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:08:59,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:59,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:59,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:59,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:59,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:59,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:59,302 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 05:08:59,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [306574643] [2020-09-25 05:08:59,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:08:59,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 05:08:59,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600833796] [2020-09-25 05:08:59,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 05:08:59,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:08:59,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 05:08:59,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:08:59,337 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 3 states. [2020-09-25 05:09:00,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:09:00,849 INFO L93 Difference]: Finished difference Result 455 states and 541 transitions. [2020-09-25 05:09:00,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 05:09:00,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 05:09:00,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:09:00,872 INFO L225 Difference]: With dead ends: 455 [2020-09-25 05:09:00,872 INFO L226 Difference]: Without dead ends: 285 [2020-09-25 05:09:00,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:09:00,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-25 05:09:00,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 244. [2020-09-25 05:09:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 05:09:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 264 transitions. [2020-09-25 05:09:00,982 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 264 transitions. Word has length 142 [2020-09-25 05:09:00,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:09:00,983 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 264 transitions. [2020-09-25 05:09:00,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 05:09:00,983 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 264 transitions. [2020-09-25 05:09:00,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 05:09:00,988 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:09:00,988 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] [2020-09-25 05:09:00,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:09:00,988 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:09:00,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:09:00,989 INFO L82 PathProgramCache]: Analyzing trace with hash -971808182, now seen corresponding path program 1 times [2020-09-25 05:09:00,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:09:00,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924971104] [2020-09-25 05:09:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:09:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:01,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:01,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:01,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:02,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:02,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:06,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:06,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 05:09:06,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:09:06,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 05:09:06,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:06,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:06,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:06,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 05:09:06,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-25 05:09:06,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:06,397 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:09:06,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:09:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:06,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:06,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:06,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:09:06,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:06,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-09-25 05:09:06,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:06,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 05:09:06,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:06,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:09:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:06,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:06,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:06,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:06,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:06,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:09:06,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:06,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:06,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:06,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:06,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:09:06,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:06,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:09:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:06,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:06,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:06,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:06,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:06,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:09:06,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:06,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:06,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:06,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:06,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:09:06,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:09:06,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:09:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:06,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:06,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:06,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:06,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:06,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:09:06,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:06,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:06,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:06,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:06,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:09:06,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:06,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:09:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:06,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:06,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:06,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:06,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:06,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:09:06,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:06,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:06,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:06,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:09:06,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:06,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:09:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:06,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:06,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:06,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:06,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:06,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:09:06,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:06,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:09:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:06,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:06,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 05:09:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:06,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:06,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:06,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:06,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:06,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:09:06,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:06,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:06,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:06,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:09:06,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:06,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:06,827 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 05:09:06,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924971104] [2020-09-25 05:09:06,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:09:06,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:09:06,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563832002] [2020-09-25 05:09:06,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:09:06,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:09:06,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:09:06,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:09:06,838 INFO L87 Difference]: Start difference. First operand 244 states and 264 transitions. Second operand 4 states. [2020-09-25 05:09:07,294 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:09:08,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:09:08,157 INFO L93 Difference]: Finished difference Result 419 states and 482 transitions. [2020-09-25 05:09:08,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 05:09:08,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 05:09:08,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:09:08,162 INFO L225 Difference]: With dead ends: 419 [2020-09-25 05:09:08,162 INFO L226 Difference]: Without dead ends: 285 [2020-09-25 05:09:08,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:09:08,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-25 05:09:08,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 244. [2020-09-25 05:09:08,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 05:09:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 263 transitions. [2020-09-25 05:09:08,211 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 263 transitions. Word has length 143 [2020-09-25 05:09:08,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:09:08,212 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 263 transitions. [2020-09-25 05:09:08,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:09:08,212 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 263 transitions. [2020-09-25 05:09:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 05:09:08,215 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:09:08,215 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:09:08,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:09:08,216 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:09:08,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:09:08,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1993028941, now seen corresponding path program 1 times [2020-09-25 05:09:08,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:09:08,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755722691] [2020-09-25 05:09:08,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:09:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:08,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:08,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:08,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:11,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:12,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:13,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:13,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:13,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 05:09:13,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 05:09:13,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 05:09:13,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:13,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 05:09:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:09:13,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:13,630 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:09:13,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:09:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:13,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:13,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:13,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:09:13,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:13,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 05:09:13,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:13,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:13,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:13,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:13,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:09:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:13,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:13,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:13,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:13,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:13,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:09:13,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:13,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:13,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:13,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:13,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:09:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:13,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:13,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:13,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:13,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:13,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:09:13,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:13,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:13,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:13,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:13,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:09:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:13,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:13,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:13,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:13,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:13,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:09:13,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:13,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:13,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:13,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:13,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:13,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:13,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:09:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:13,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:13,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:13,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:13,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:13,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:09:13,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:13,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:13,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:13,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:13,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:13,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 05:09:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:13,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:13,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:13,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:09:13,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:09:13,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:13,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 05:09:13,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:13,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:13,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:09:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:13,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:13,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:13,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:13,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:13,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:09:13,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:13,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:13,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:13,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:09:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:13,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:13,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:13,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:13,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:13,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:09:13,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:13,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:09:13,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:13,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:13,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 05:09:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:13,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:13,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:13,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:13,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:13,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:09:13,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:13,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:09:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:13,947 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 05:09:13,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755722691] [2020-09-25 05:09:13,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:09:13,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:09:13,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309269195] [2020-09-25 05:09:13,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:09:13,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:09:13,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:09:13,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:09:13,954 INFO L87 Difference]: Start difference. First operand 244 states and 263 transitions. Second operand 5 states. [2020-09-25 05:09:14,893 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:09:15,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:09:15,915 INFO L93 Difference]: Finished difference Result 396 states and 450 transitions. [2020-09-25 05:09:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:09:15,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-09-25 05:09:15,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:09:15,925 INFO L225 Difference]: With dead ends: 396 [2020-09-25 05:09:15,925 INFO L226 Difference]: Without dead ends: 292 [2020-09-25 05:09:15,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:09:15,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-09-25 05:09:16,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 234. [2020-09-25 05:09:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-25 05:09:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 250 transitions. [2020-09-25 05:09:16,019 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 250 transitions. Word has length 151 [2020-09-25 05:09:16,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:09:16,021 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 250 transitions. [2020-09-25 05:09:16,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:09:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 250 transitions. [2020-09-25 05:09:16,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:09:16,033 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:09:16,033 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] [2020-09-25 05:09:16,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:09:16,034 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:09:16,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:09:16,034 INFO L82 PathProgramCache]: Analyzing trace with hash 959835140, now seen corresponding path program 1 times [2020-09-25 05:09:16,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:09:16,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362616649] [2020-09-25 05:09:16,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:09:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:16,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:16,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:17,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:18,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:18,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:21,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:21,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 05:09:21,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:09:21,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 05:09:21,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:21,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:21,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:09:21,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 05:09:21,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:09:21,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:21,361 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:09:21,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:09:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:21,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:21,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:21,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:09:21,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:21,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 05:09:21,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:21,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:21,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:21,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:21,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:21,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:21,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:09:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:21,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:21,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:21,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:21,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:21,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:09:21,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:21,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:21,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:21,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:21,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:09:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:21,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:21,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:21,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:21,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:21,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:09:21,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:21,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:21,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:21,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:09:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:21,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:21,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:21,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:21,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:21,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:09:21,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:21,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:21,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:09:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:21,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:21,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:21,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:21,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:21,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:09:21,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:21,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:21,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:21,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 05:09:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:21,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:21,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:21,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:09:21,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:21,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:09:21,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:21,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:21,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:09:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:09:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 05:09:21,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:21,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:09:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:21,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:21,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:21,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:21,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:21,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:09:21,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:21,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:09:21,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:21,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:09:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:21,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:21,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:21,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:21,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:21,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:09:21,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:21,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:09:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:21,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:21,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:09:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:21,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:21,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:21,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:21,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:21,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:09:21,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:21,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:21,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:21,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:09:21,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:21,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:21,733 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 05:09:21,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362616649] [2020-09-25 05:09:21,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:09:21,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:09:21,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815074317] [2020-09-25 05:09:21,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:09:21,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:09:21,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:09:21,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:09:21,739 INFO L87 Difference]: Start difference. First operand 234 states and 250 transitions. Second operand 7 states. [2020-09-25 05:09:22,185 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:09:23,533 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:09:24,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:09:24,166 INFO L93 Difference]: Finished difference Result 514 states and 584 transitions. [2020-09-25 05:09:24,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:09:24,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2020-09-25 05:09:24,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:09:24,171 INFO L225 Difference]: With dead ends: 514 [2020-09-25 05:09:24,171 INFO L226 Difference]: Without dead ends: 390 [2020-09-25 05:09:24,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:09:24,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2020-09-25 05:09:24,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 331. [2020-09-25 05:09:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-09-25 05:09:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 357 transitions. [2020-09-25 05:09:24,220 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 357 transitions. Word has length 160 [2020-09-25 05:09:24,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:09:24,221 INFO L479 AbstractCegarLoop]: Abstraction has 331 states and 357 transitions. [2020-09-25 05:09:24,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:09:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 357 transitions. [2020-09-25 05:09:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-09-25 05:09:24,223 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:09:24,223 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:09:24,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:09:24,224 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:09:24,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:09:24,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1575421587, now seen corresponding path program 1 times [2020-09-25 05:09:24,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:09:24,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846457397] [2020-09-25 05:09:24,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:09:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:24,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:24,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:26,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:27,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:27,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:27,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:29,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:29,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 05:09:29,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 05:09:29,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 05:09:29,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:29,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:09:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-09-25 05:09:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 05:09:29,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:29,627 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:09:29,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:09:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:29,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:29,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:29,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:09:29,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:29,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 05:09:29,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:29,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:29,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:29,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:29,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:29,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:29,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:09:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:29,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:29,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:29,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:29,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:29,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:09:29,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:29,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:29,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:29,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:09:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:29,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:29,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:29,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:29,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:29,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:09:29,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:29,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:29,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:09:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:29,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:29,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:29,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:29,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:29,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:09:29,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:29,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:29,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:29,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:09:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:29,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:29,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:29,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:29,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:29,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:09:29,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:29,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:29,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:29,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:29,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 05:09:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:29,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:29,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:29,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:30,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:30,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 05:09:30,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:09:30,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 455 [2020-09-25 05:09:30,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:30,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:09:30,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:30,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:09:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:30,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:30,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:30,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:30,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:09:30,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:09:30,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 05:09:30,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:30,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:30,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:30,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:30,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 05:09:30,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:30,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:09:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:30,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:30,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:30,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:09:30,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:30,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:09:30,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:30,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:09:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:09:30,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:30,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:09:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:30,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:30,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:30,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:09:30,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:30,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:09:30,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:30,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:30,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:30,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:30,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:09:30,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:30,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 05:09:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:30,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:30,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:30,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:30,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:09:30,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:30,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:09:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:09:30,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:09:30,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 05:09:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:30,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:30,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:09:30,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:09:30,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:09:30,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:09:30,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:09:30,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:09:30,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:09:30,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:09:30,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:09:30,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:09:30,446 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 05:09:30,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846457397] [2020-09-25 05:09:30,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:09:30,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:09:30,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534801836] [2020-09-25 05:09:30,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:09:30,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:09:30,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:09:30,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:09:30,450 INFO L87 Difference]: Start difference. First operand 331 states and 357 transitions. Second operand 9 states. [2020-09-25 05:09:30,975 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:09:32,452 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:09:32,750 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:09:33,099 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:09:33,879 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:09:34,249 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:09:34,584 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:09:34,911 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:09:35,226 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:09:35,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:09:35,335 INFO L93 Difference]: Finished difference Result 393 states and 439 transitions. [2020-09-25 05:09:35,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 05:09:35,336 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 184 [2020-09-25 05:09:35,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:09:35,339 INFO L225 Difference]: With dead ends: 393 [2020-09-25 05:09:35,339 INFO L226 Difference]: Without dead ends: 390 [2020-09-25 05:09:35,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 05:09:35,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2020-09-25 05:09:35,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 331. [2020-09-25 05:09:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-09-25 05:09:35,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 356 transitions. [2020-09-25 05:09:35,379 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 356 transitions. Word has length 184 [2020-09-25 05:09:35,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:09:35,379 INFO L479 AbstractCegarLoop]: Abstraction has 331 states and 356 transitions. [2020-09-25 05:09:35,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:09:35,380 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 356 transitions. [2020-09-25 05:09:35,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 05:09:35,382 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:09:35,382 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:09:35,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:09:35,383 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:09:35,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:09:35,383 INFO L82 PathProgramCache]: Analyzing trace with hash 714160235, now seen corresponding path program 1 times [2020-09-25 05:09:35,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:09:35,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329849394] [2020-09-25 05:09:35,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:09:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:09:35,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:35,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:09:35,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking...