/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:10:18,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:10:18,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:10:18,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:10:18,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:10:18,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:10:18,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:10:18,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:10:18,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:10:18,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:10:18,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:10:18,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:10:18,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:10:18,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:10:18,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:10:18,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:10:18,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:10:18,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:10:18,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:10:18,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:10:18,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:10:18,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:10:18,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:10:18,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:10:18,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:10:18,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:10:18,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:10:18,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:10:18,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:10:18,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:10:18,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:10:18,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:10:18,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:10:18,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:10:18,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:10:18,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:10:18,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:10:18,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:10:18,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:10:18,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:10:18,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:10:18,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 13:10:18,525 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:10:18,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:10:18,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:10:18,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:10:18,527 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:10:18,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:10:18,528 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:10:18,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:10:18,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:10:18,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:10:18,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:10:18,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:10:18,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:10:18,530 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:10:18,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:10:18,531 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:10:18,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:10:18,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:10:18,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:10:18,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:10:18,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:10:18,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:10:18,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:10:18,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:10:18,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:10:18,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:10:18,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:10:18,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:10:18,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:10:18,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:10:18,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:10:19,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:10:19,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:10:19,011 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:10:19,013 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:10:19,014 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-25 13:10:19,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f37a804e9/00340c90a7b542d2ba8630fcb8db5e0c/FLAG9adc71c63 [2020-09-25 13:10:19,688 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:10:19,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-25 13:10:19,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f37a804e9/00340c90a7b542d2ba8630fcb8db5e0c/FLAG9adc71c63 [2020-09-25 13:10:19,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f37a804e9/00340c90a7b542d2ba8630fcb8db5e0c [2020-09-25 13:10:20,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:10:20,011 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:10:20,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:10:20,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:10:20,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:10:20,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:10:19" (1/1) ... [2020-09-25 13:10:20,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f9cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:20, skipping insertion in model container [2020-09-25 13:10:20,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:10:19" (1/1) ... [2020-09-25 13:10:20,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:10:20,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:10:20,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:10:20,558 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:10:20,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:10:20,721 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:10:20,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:20 WrapperNode [2020-09-25 13:10:20,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:10:20,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:10:20,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:10:20,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:10:20,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:20" (1/1) ... [2020-09-25 13:10:20,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:20" (1/1) ... [2020-09-25 13:10:20,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:20" (1/1) ... [2020-09-25 13:10:20,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:20" (1/1) ... [2020-09-25 13:10:20,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:20" (1/1) ... [2020-09-25 13:10:20,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:20" (1/1) ... [2020-09-25 13:10:20,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:20" (1/1) ... [2020-09-25 13:10:20,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:10:20,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:10:20,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:10:20,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:10:20,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:10:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:10:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:10:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:10:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:10:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:10:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:10:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:10:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:10:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:10:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:10:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 13:10:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:10:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 13:10:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 13:10:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 13:10:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 13:10:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 13:10:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 13:10:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:10:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 13:10:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 13:10:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:10:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:10:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:10:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:10:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:10:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:10:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 13:10:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:10:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:10:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:10:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:10:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:10:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:10:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:10:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:10:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:10:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:10:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:10:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:10:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:10:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:10:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:10:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:10:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:10:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:10:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:10:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:10:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:10:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:10:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:10:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:10:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:10:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:10:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:10:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:10:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:10:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:10:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:10:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 13:10:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:10:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:10:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:10:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:10:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:10:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:10:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:10:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:10:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:10:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:10:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 13:10:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:10:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 13:10:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 13:10:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 13:10:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 13:10:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 13:10:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:10:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 13:10:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 13:10:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 13:10:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:10:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:10:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:10:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:10:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:10:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:10:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:10:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:10:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:10:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:10:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:10:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:10:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:10:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:10:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:10:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:10:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:10:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:10:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:10:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:10:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:10:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:10:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:10:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:10:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:10:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:10:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:10:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:10:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:10:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:10:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:10:22,172 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:10:22,173 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:10:22,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:10:22 BoogieIcfgContainer [2020-09-25 13:10:22,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:10:22,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:10:22,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:10:22,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:10:22,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:10:19" (1/3) ... [2020-09-25 13:10:22,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61942127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:10:22, skipping insertion in model container [2020-09-25 13:10:22,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:20" (2/3) ... [2020-09-25 13:10:22,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61942127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:10:22, skipping insertion in model container [2020-09-25 13:10:22,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:10:22" (3/3) ... [2020-09-25 13:10:22,201 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2020-09-25 13:10:22,212 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:10:22,224 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:10:22,246 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:10:22,275 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:10:22,275 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:10:22,275 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:10:22,275 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:10:22,276 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:10:22,276 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:10:22,276 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:10:22,276 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:10:22,305 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states. [2020-09-25 13:10:22,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 13:10:22,327 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:22,329 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:10:22,329 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:22,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:22,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1714706327, now seen corresponding path program 1 times [2020-09-25 13:10:22,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:22,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552031665] [2020-09-25 13:10:22,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:22,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:25,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:25,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:26,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:27,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:27,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-25 13:10:27,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:10:27,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-09-25 13:10:27,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:27,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:10:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-25 13:10:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-25 13:10:27,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 34 [2020-09-25 13:10:28,531 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 13:10:28,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:28,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:28,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:28,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-25 13:10:28,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:28,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-09-25 13:10:28,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:28,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:28,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:28,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:28,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 13:10:28,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 13:10:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:29,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:10:29,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:29,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:29,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:10:29,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-25 13:10:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 13:10:29,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 13:10:29,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:29,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:29,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 13:10:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:10:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:29,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:29,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 13:10:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:29,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:29,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:29,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:29,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:29,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 13:10:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:29,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:29,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 13:10:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:29,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:29,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:29,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 28 [2020-09-25 13:10:29,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 13:10:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:29,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:29,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:29,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:29,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:29,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 13:10:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:29,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:29,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:29,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:29,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:29,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 13:10:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:29,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:29,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:29,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 13:10:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:29,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:29,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:29,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 13:10:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:29,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:29,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:10:29,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 13:10:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:29,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:29,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 13:10:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:29,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:29,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:29,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:29,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:29,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:29,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:29,385 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 13:10:29,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552031665] [2020-09-25 13:10:29,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:10:29,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 13:10:29,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269118640] [2020-09-25 13:10:29,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 13:10:29,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:29,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 13:10:29,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 13:10:29,419 INFO L87 Difference]: Start difference. First operand 424 states. Second operand 8 states. [2020-09-25 13:10:30,219 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 13:10:34,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:10:34,889 INFO L93 Difference]: Finished difference Result 938 states and 1146 transitions. [2020-09-25 13:10:34,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 13:10:34,891 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 230 [2020-09-25 13:10:34,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:10:34,917 INFO L225 Difference]: With dead ends: 938 [2020-09-25 13:10:34,917 INFO L226 Difference]: Without dead ends: 680 [2020-09-25 13:10:34,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-09-25 13:10:34,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-09-25 13:10:35,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 579. [2020-09-25 13:10:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-09-25 13:10:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 669 transitions. [2020-09-25 13:10:35,111 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 669 transitions. Word has length 230 [2020-09-25 13:10:35,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:10:35,112 INFO L479 AbstractCegarLoop]: Abstraction has 579 states and 669 transitions. [2020-09-25 13:10:35,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 13:10:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 669 transitions. [2020-09-25 13:10:35,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-09-25 13:10:35,120 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:35,121 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:10:35,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:10:35,122 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:35,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:35,122 INFO L82 PathProgramCache]: Analyzing trace with hash 404962526, now seen corresponding path program 1 times [2020-09-25 13:10:35,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:35,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473628877] [2020-09-25 13:10:35,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:35,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:35,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:36,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:37,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:40,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:40,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-09-25 13:10:40,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:10:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 13:10:40,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:40,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:10:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-25 13:10:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-25 13:10:40,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:40,624 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 13:10:40,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:40,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:40,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:40,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-25 13:10:40,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:40,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-25 13:10:40,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:40,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:40,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:40,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:40,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 13:10:40,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:40,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 13:10:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:40,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:40,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:40,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:40,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:40,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:40,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:40,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:10:40,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-25 13:10:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 13:10:41,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 13:10:41,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 13:10:41,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:10:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:41,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:41,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:41,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:41,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 13:10:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:41,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:41,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:41,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:41,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 13:10:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:41,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:41,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:41,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:41,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 13:10:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:41,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:41,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:41,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:41,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 13:10:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:41,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:41,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:41,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:41,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 13:10:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:41,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:41,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 13:10:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:41,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:41,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:41,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 13:10:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:41,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:41,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:41,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 13:10:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:41,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:41,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:41,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:10:41,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 13:10:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 13:10:41,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:41,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 13:10:41,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:41,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:10:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 13:10:41,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:41,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:41,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:10:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:41,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:41,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:41,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:10:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:41,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:41,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:41,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-25 13:10:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:41,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:10:41,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:10:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:41,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:41,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 13:10:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:41,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:41,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:41,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:41,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:41,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:41,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:41,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:41,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:41,397 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 13:10:41,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473628877] [2020-09-25 13:10:41,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:10:41,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 13:10:41,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461837221] [2020-09-25 13:10:41,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 13:10:41,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:41,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 13:10:41,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 13:10:41,407 INFO L87 Difference]: Start difference. First operand 579 states and 669 transitions. Second operand 12 states. [2020-09-25 13:10:42,147 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 13:10:43,899 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-25 13:10:44,319 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-25 13:10:45,777 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 13:10:46,235 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 13:10:46,764 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 13:10:47,238 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-09-25 13:10:47,638 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 13:10:48,269 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 13:10:51,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:10:51,621 INFO L93 Difference]: Finished difference Result 1691 states and 2135 transitions. [2020-09-25 13:10:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 13:10:51,622 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 246 [2020-09-25 13:10:51,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:10:51,635 INFO L225 Difference]: With dead ends: 1691 [2020-09-25 13:10:51,635 INFO L226 Difference]: Without dead ends: 1234 [2020-09-25 13:10:51,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=364, Invalid=968, Unknown=0, NotChecked=0, Total=1332 [2020-09-25 13:10:51,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2020-09-25 13:10:51,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 948. [2020-09-25 13:10:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2020-09-25 13:10:51,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1112 transitions. [2020-09-25 13:10:51,801 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1112 transitions. Word has length 246 [2020-09-25 13:10:51,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:10:51,802 INFO L479 AbstractCegarLoop]: Abstraction has 948 states and 1112 transitions. [2020-09-25 13:10:51,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 13:10:51,802 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1112 transitions. [2020-09-25 13:10:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-25 13:10:51,808 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:51,809 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:10:51,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:10:51,809 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:51,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:51,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1550661076, now seen corresponding path program 1 times [2020-09-25 13:10:51,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:51,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754988157] [2020-09-25 13:10:51,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:52,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:52,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:54,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:56,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:56,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-09-25 13:10:56,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:10:56,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 13:10:56,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:56,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:10:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 13:10:56,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-09-25 13:10:56,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:57,372 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 13:10:57,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:57,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:57,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:57,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-25 13:10:57,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:57,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-09-25 13:10:57,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:57,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:57,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:57,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:57,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 13:10:57,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:57,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 13:10:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:57,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:57,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:57,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:57,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:57,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:10:57,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:57,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:10:57,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:57,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-25 13:10:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:57,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:57,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:57,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 13:10:57,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:57,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 13:10:57,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:57,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:57,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 13:10:57,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:57,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:10:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:57,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:57,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:57,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:57,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:57,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:57,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:57,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:57,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:57,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 13:10:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:57,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:57,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:57,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:57,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:57,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:57,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:57,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:57,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:57,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 13:10:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:57,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:57,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:57,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:57,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:57,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:57,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:57,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:57,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:57,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:57,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:57,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:57,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 13:10:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:57,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:57,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:57,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:57,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:57,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:58,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:58,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:58,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 13:10:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:58,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:58,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:58,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:58,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:58,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:58,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:58,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 13:10:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:58,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:58,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:58,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:10:58,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:58,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:58,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:58,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:58,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 13:10:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:58,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:58,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:58,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:58,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:58,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:58,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:58,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:58,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 13:10:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:58,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:58,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:58,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:58,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:58,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:58,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:58,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:58,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:58,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:58,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:58,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:58,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 13:10:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:58,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:58,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:58,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:58,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:58,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:58,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:58,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:10:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:58,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 13:10:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:58,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:58,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:58,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:10:58,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:58,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:58,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:58,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:58,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:58,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-25 13:10:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:58,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:58,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:58,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:58,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:10:58,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:58,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:10:58,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:58,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:58,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:58,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:10:58,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:10:58,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:58,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-25 13:10:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:58,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:58,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:58,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:58,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:58,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:58,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:58,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:58,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:58,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:58,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:58,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:58,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-09-25 13:10:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:58,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:58,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:58,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:58,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:58,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:58,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:58,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:58,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:10:58,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:58,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:58,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 13:10:58,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754988157] [2020-09-25 13:10:58,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:10:58,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 13:10:58,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424407997] [2020-09-25 13:10:58,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 13:10:58,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:58,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 13:10:58,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-25 13:10:58,237 INFO L87 Difference]: Start difference. First operand 948 states and 1112 transitions. Second operand 14 states. [2020-09-25 13:10:58,985 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 13:11:01,486 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 13:11:01,857 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 13:11:02,322 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 13:11:02,786 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 13:11:03,160 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 13:11:04,535 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 13:11:04,811 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 13:11:05,304 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 13:11:09,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:11:09,187 INFO L93 Difference]: Finished difference Result 2734 states and 3628 transitions. [2020-09-25 13:11:09,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-25 13:11:09,188 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 255 [2020-09-25 13:11:09,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:11:09,201 INFO L225 Difference]: With dead ends: 2734 [2020-09-25 13:11:09,202 INFO L226 Difference]: Without dead ends: 1943 [2020-09-25 13:11:09,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=645, Invalid=1805, Unknown=0, NotChecked=0, Total=2450 [2020-09-25 13:11:09,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2020-09-25 13:11:09,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1484. [2020-09-25 13:11:09,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-09-25 13:11:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1814 transitions. [2020-09-25 13:11:09,436 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1814 transitions. Word has length 255 [2020-09-25 13:11:09,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:11:09,437 INFO L479 AbstractCegarLoop]: Abstraction has 1484 states and 1814 transitions. [2020-09-25 13:11:09,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 13:11:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1814 transitions. [2020-09-25 13:11:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-09-25 13:11:09,446 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:11:09,446 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:11:09,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:11:09,447 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:11:09,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:11:09,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1472439606, now seen corresponding path program 1 times [2020-09-25 13:11:09,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:11:09,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977382130] [2020-09-25 13:11:09,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:11:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:11:09,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:11:09,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:11:10,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking...