/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=SHALLOWEST --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 [2020-09-24 23:34:25,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:34:25,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:34:25,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:34:25,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:34:25,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:34:25,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:34:25,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:34:25,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:34:25,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:34:25,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:34:25,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:34:25,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:34:25,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:34:25,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:34:25,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:34:25,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:34:25,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:34:25,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:34:25,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:34:25,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:34:25,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:34:25,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:34:25,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:34:25,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:34:25,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:34:25,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:34:25,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:34:25,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:34:25,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:34:25,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:34:25,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:34:25,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:34:25,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:34:25,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:34:25,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:34:25,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:34:25,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:34:25,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:34:25,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:34:25,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:34:25,891 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 [2020-09-24 23:34:25,944 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:34:25,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:34:25,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:34:25,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:34:25,948 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:34:25,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:34:25,948 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:34:25,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:34:25,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:34:25,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:34:25,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:34:25,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:34:25,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:34:25,951 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:34:25,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:34:25,952 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:34:25,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:34:25,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:34:25,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:34:25,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:34:25,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:34:25,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:34:25,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:34:25,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:34:25,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:34:25,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:34:25,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:34:25,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:34:25,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:34:25,955 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-24 23:34:26,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:34:26,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:34:26,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:34:26,421 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:34:26,421 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:34:26,422 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-24 23:34:26,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1006bfc11/a610247a22a746b8ace17e48bff90b04/FLAG17019c2d9 [2020-09-24 23:34:27,138 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:34:27,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-24 23:34:27,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1006bfc11/a610247a22a746b8ace17e48bff90b04/FLAG17019c2d9 [2020-09-24 23:34:27,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1006bfc11/a610247a22a746b8ace17e48bff90b04 [2020-09-24 23:34:27,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:34:27,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:34:27,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:34:27,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:34:27,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:34:27,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:34:27" (1/1) ... [2020-09-24 23:34:27,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4365ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:34:27, skipping insertion in model container [2020-09-24 23:34:27,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:34:27" (1/1) ... [2020-09-24 23:34:27,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:34:27,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:34:28,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:34:28,050 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:34:28,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:34:28,178 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:34:28,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:34:28 WrapperNode [2020-09-24 23:34:28,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:34:28,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:34:28,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:34:28,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:34:28,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:34:28" (1/1) ... [2020-09-24 23:34:28,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:34:28" (1/1) ... [2020-09-24 23:34:28,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:34:28" (1/1) ... [2020-09-24 23:34:28,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:34:28" (1/1) ... [2020-09-24 23:34:28,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:34:28" (1/1) ... [2020-09-24 23:34:28,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:34:28" (1/1) ... [2020-09-24 23:34:28,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:34:28" (1/1) ... [2020-09-24 23:34:28,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:34:28,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:34:28,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:34:28,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:34:28,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:34:28" (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 [2020-09-24 23:34:28,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:34:28,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:34:28,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:34:28,386 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:34:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:34:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:34:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:34:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:34:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:34:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 23:34:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 23:34:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:34:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-24 23:34:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-24 23:34:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-24 23:34:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-24 23:34:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-24 23:34:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-24 23:34:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:34:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-24 23:34:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-24 23:34:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:34:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:34:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:34:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:34:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:34:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 23:34:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 23:34:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 23:34:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 23:34:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:34:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:34:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:34:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:34:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:34:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:34:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 23:34:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 23:34:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:34:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:34:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:34:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:34:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:34:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:34:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:34:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:34:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:34:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:34:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:34:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:34:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:34:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:34:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:34:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:34:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:34:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:34:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:34:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:34:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 23:34:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 23:34:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:34:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:34:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:34:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:34:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:34:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:34:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 23:34:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 23:34:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 23:34:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:34:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-24 23:34:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 23:34:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-24 23:34:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-24 23:34:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 23:34:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-24 23:34:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-24 23:34:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:34:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-24 23:34:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-24 23:34:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-24 23:34:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:34:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:34:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:34:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 23:34:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:34:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:34:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:34:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:34:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:34:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:34:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:34:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:34:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:34:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:34:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:34:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:34:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:34:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:34:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:34:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:34:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:34:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:34:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:34:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:34:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:34:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:34:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:34:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:34:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:34:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:34:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:34:29,806 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:34:29,807 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:34:29,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:34:29 BoogieIcfgContainer [2020-09-24 23:34:29,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:34:29,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:34:29,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:34:29,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:34:29,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:34:27" (1/3) ... [2020-09-24 23:34:29,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550ea56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:34:29, skipping insertion in model container [2020-09-24 23:34:29,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:34:28" (2/3) ... [2020-09-24 23:34:29,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550ea56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:34:29, skipping insertion in model container [2020-09-24 23:34:29,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:34:29" (3/3) ... [2020-09-24 23:34:29,840 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2020-09-24 23:34:29,853 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:34:29,866 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:34:29,892 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:34:29,935 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:34:29,935 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:34:29,935 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:34:29,935 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:34:29,936 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:34:29,936 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:34:29,936 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:34:29,937 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:34:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states. [2020-09-24 23:34:30,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 23:34:30,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:34:30,010 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] [2020-09-24 23:34:30,011 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:34:30,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:34:30,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1714706327, now seen corresponding path program 1 times [2020-09-24 23:34:30,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:34:30,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888006092] [2020-09-24 23:34:30,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:34:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:30,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:30,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:32,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:33,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:34,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:35,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:35,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-24 23:34:35,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 23:34:35,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-24 23:34:35,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 23:34:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-24 23:34:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-09-24 23:34:35,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 23:34:36,256 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 23:34:36,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:34:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:36,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:36,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:36,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 23:34:36,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:36,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-09-24 23:34:36,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:36,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:36,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:36,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-24 23:34:36,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:34:36,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 23:34:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:36,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:36,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:36,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:34:36,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:36,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:34:36,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:34:36,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:34:36,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 23:34:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:36,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:36,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:36,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 23:34:36,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 23:34:36,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 23:34:36,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:36,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:34:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:36,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:36,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:36,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:36,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:36,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:34:36,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:36,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:36,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:36,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 23:34:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:36,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:36,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:36,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:36,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:36,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:34:36,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:36,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:36,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:36,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:36,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:36,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 23:34:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:36,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:36,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:36,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:36,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:36,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:34:36,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:36,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:36,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 23:34:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:36,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:36,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:36,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:36,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:36,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:34:36,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:36,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:36,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:36,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:36,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:36,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 23:34:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:36,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:37,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:37,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:37,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:37,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:34:37,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:37,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:37,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:37,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:37,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 23:34:37,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 23:34:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:37,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:37,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:37,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:37,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:37,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:34:37,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:37,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 23:34:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:37,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:37,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:37,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:34:37,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:37,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:34:37,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:37,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:34:37,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:34:37,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 23:34:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:37,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:37,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:37,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:34:37,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:37,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:34:37,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:37,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:37,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:37,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:34:37,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:34:37,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 23:34:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:37,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:37,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:37,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:34:37,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:37,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:34:37,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:37,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:37,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:37,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:34:37,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:37,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 23:34:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:37,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:37,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:37,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:34:37,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:37,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:34:37,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:37,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:34:37,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:37,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:34:37,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:34:37,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 23:34:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:37,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:37,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:37,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:34:37,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:37,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:34:37,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:37,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:37,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:34:37,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:37,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 23:34:37,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888006092] [2020-09-24 23:34:37,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:34:37,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 23:34:37,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076789443] [2020-09-24 23:34:37,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 23:34:37,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:34:37,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 23:34:37,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:34:37,273 INFO L87 Difference]: Start difference. First operand 424 states. Second operand 11 states. [2020-09-24 23:34:38,085 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 23:34:39,951 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 23:34:40,408 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-09-24 23:34:40,980 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 23:34:41,480 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-09-24 23:34:41,889 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 23:34:43,064 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 23:34:43,542 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 23:34:44,375 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 23:34:47,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:34:47,690 INFO L93 Difference]: Finished difference Result 936 states and 1151 transitions. [2020-09-24 23:34:47,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 23:34:47,693 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 230 [2020-09-24 23:34:47,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:34:47,718 INFO L225 Difference]: With dead ends: 936 [2020-09-24 23:34:47,719 INFO L226 Difference]: Without dead ends: 667 [2020-09-24 23:34:47,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=238, Invalid=632, Unknown=0, NotChecked=0, Total=870 [2020-09-24 23:34:47,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2020-09-24 23:34:47,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 561. [2020-09-24 23:34:47,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-09-24 23:34:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 645 transitions. [2020-09-24 23:34:47,937 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 645 transitions. Word has length 230 [2020-09-24 23:34:47,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:34:47,939 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 645 transitions. [2020-09-24 23:34:47,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 23:34:47,939 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 645 transitions. [2020-09-24 23:34:47,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-09-24 23:34:47,948 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:34:47,949 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] [2020-09-24 23:34:47,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:34:47,949 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:34:47,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:34:47,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1720470431, now seen corresponding path program 1 times [2020-09-24 23:34:47,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:34:47,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300074563] [2020-09-24 23:34:47,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:34:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:48,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:48,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:49,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:53,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:53,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-09-24 23:34:53,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:34:53,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-09-24 23:34:53,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:53,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 23:34:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-24 23:34:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-09-24 23:34:53,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:34:53,431 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 23:34:53,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:34:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:53,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:53,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:53,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 23:34:53,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:53,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-09-24 23:34:53,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:53,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:53,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:53,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 23:34:53,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:53,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 23:34:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:53,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:53,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:53,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:34:53,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:53,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:34:53,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:53,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:53,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:34:53,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:34:53,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 23:34:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:53,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:53,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:53,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 23:34:53,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:53,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 23:34:53,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:53,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:53,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 23:34:53,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:34:53,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:34:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:53,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:53,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:53,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:53,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:53,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:34:53,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:53,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:53,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 23:34:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:53,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:53,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:53,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:53,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:53,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:34:53,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:53,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:53,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 23:34:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:53,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:53,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:53,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:53,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:53,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:34:53,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:53,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:53,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:53,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:53,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 23:34:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:53,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:53,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:53,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:53,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:53,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:34:53,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:53,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:53,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:53,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:53,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:53,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 23:34:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:53,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:53,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:53,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:53,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:53,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:34:53,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:53,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:53,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:53,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:53,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:53,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 23:34:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:53,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:53,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:53,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:34:53,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:53,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:34:53,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:53,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:54,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 23:34:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:54,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:54,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:54,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:34:54,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:54,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:34:54,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:34:54,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:54,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 23:34:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:54,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:54,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:54,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:34:54,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:54,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:34:54,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:34:54,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:54,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 23:34:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:54,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:54,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:54,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:34:54,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:54,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:34:54,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:54,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:54,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:54,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:34:54,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:34:54,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 23:34:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:54,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:54,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:54,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:34:54,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:54,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:34:54,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:54,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:34:54,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:34:54,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:34:54,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:54,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-24 23:34:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:54,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:54,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:54,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:34:54,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:34:54,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:34:54,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:54,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:54,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-24 23:34:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:34:54,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:34:54,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:34:54,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:34:54,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:34:54,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:34:54,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:34:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:34:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:34:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:34:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:34:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 23:34:54,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300074563] [2020-09-24 23:34:54,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:34:54,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:34:54,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275438228] [2020-09-24 23:34:54,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:34:54,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:34:54,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:34:54,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:34:54,214 INFO L87 Difference]: Start difference. First operand 561 states and 645 transitions. Second operand 8 states. [2020-09-24 23:34:54,973 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 23:35:00,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:35:00,198 INFO L93 Difference]: Finished difference Result 1565 states and 1905 transitions. [2020-09-24 23:35:00,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 23:35:00,198 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 246 [2020-09-24 23:35:00,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:35:00,212 INFO L225 Difference]: With dead ends: 1565 [2020-09-24 23:35:00,212 INFO L226 Difference]: Without dead ends: 1161 [2020-09-24 23:35:00,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-09-24 23:35:00,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-09-24 23:35:00,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 948. [2020-09-24 23:35:00,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2020-09-24 23:35:00,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1112 transitions. [2020-09-24 23:35:00,401 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1112 transitions. Word has length 246 [2020-09-24 23:35:00,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:35:00,402 INFO L479 AbstractCegarLoop]: Abstraction has 948 states and 1112 transitions. [2020-09-24 23:35:00,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 23:35:00,402 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1112 transitions. [2020-09-24 23:35:00,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-24 23:35:00,409 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:35:00,410 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] [2020-09-24 23:35:00,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:35:00,410 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:35:00,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:35:00,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1550661076, now seen corresponding path program 1 times [2020-09-24 23:35:00,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:35:00,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688780446] [2020-09-24 23:35:00,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:35:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:00,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:00,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:01,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:03,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:05,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:05,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-09-24 23:35:05,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 23:35:05,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-09-24 23:35:05,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:05,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 23:35:05,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-24 23:35:05,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-09-24 23:35:05,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,047 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 23:35:06,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:35:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 23:35:06,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-24 23:35:06,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:35:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-24 23:35:06,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:35:06,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 23:35:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:35:06,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:35:06,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:35:06,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:35:06,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:35:06,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 23:35:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 23:35:06,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 23:35:06,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:35:06,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 23:35:06,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:35:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:35:06,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:35:06,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:35:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:35:06,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 23:35:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:35:06,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:35:06,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:35:06,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:35:06,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 23:35:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:35:06,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:35:06,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:35:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:35:06,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 23:35:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:35:06,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:35:06,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:35:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:35:06,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 23:35:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:35:06,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:35:06,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:35:06,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:35:06,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 23:35:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:35:06,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:35:06,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:35:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:35:06,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 23:35:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:35:06,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:35:06,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:35:06,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:35:06,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 23:35:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:35:06,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:35:06,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:35:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:35:06,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 23:35:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:35:06,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:35:06,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:35:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:35:06,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 23:35:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:35:06,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:35:06,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:35:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:35:06,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 23:35:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:35:06,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:35:06,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:35:06,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:35:06,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:35:06,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:35:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 23:35:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:35:06,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:35:06,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:35:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:35:06,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-09-24 23:35:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:35:06,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:35:06,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:35:06,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:35:06,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:35:06,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:35:06,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:35:06,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:35:06,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:35:06,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:35:06,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:35:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 23:35:06,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688780446] [2020-09-24 23:35:06,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:35:06,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 23:35:06,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894604608] [2020-09-24 23:35:06,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 23:35:06,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:35:06,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 23:35:06,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-24 23:35:06,891 INFO L87 Difference]: Start difference. First operand 948 states and 1112 transitions. Second operand 14 states. [2020-09-24 23:35:07,718 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 23:35:10,305 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 23:35:10,688 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 23:35:11,173 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 23:35:11,691 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 23:35:12,087 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 23:35:13,447 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 23:35:13,754 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 23:35:14,272 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 214