/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:58:38,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:58:38,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:58:38,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:58:38,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:58:38,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:58:38,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:58:38,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:58:38,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:58:38,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:58:38,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:58:38,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:58:38,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:58:38,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:58:38,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:58:38,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:58:38,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:58:38,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:58:38,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:58:38,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:58:38,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:58:38,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:58:38,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:58:38,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:58:38,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:58:38,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:58:38,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:58:38,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:58:38,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:58:38,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:58:38,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:58:38,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:58:38,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:58:38,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:58:38,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:58:38,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:58:38,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:58:38,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:58:38,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:58:38,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:58:38,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:58:38,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 10:58:38,356 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:58:38,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:58:38,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:58:38,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:58:38,359 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:58:38,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:58:38,360 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:58:38,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:58:38,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:58:38,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:58:38,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:58:38,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:58:38,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:58:38,363 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:58:38,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:58:38,363 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:58:38,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:58:38,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:58:38,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:58:38,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:58:38,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:58:38,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:58:38,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:58:38,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:58:38,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:58:38,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:58:38,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:58:38,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:58:38,366 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:58:38,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 10:58:38,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:58:38,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:58:38,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:58:38,878 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:58:38,878 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:58:38,879 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-09-25 10:58:38,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05538385d/d3237768f4c04a03b0079d1a5ffe2e6f/FLAGa82773250 [2020-09-25 10:58:39,564 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:58:39,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-09-25 10:58:39,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05538385d/d3237768f4c04a03b0079d1a5ffe2e6f/FLAGa82773250 [2020-09-25 10:58:39,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05538385d/d3237768f4c04a03b0079d1a5ffe2e6f [2020-09-25 10:58:39,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:58:39,838 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:58:39,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:58:39,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:58:39,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:58:39,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:58:39" (1/1) ... [2020-09-25 10:58:39,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:39, skipping insertion in model container [2020-09-25 10:58:39,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:58:39" (1/1) ... [2020-09-25 10:58:39,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:58:39,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:58:40,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:58:40,473 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:58:40,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:58:40,641 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:58:40,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:40 WrapperNode [2020-09-25 10:58:40,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:58:40,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:58:40,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:58:40,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:58:40,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:40" (1/1) ... [2020-09-25 10:58:40,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:40" (1/1) ... [2020-09-25 10:58:40,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:40" (1/1) ... [2020-09-25 10:58:40,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:40" (1/1) ... [2020-09-25 10:58:40,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:40" (1/1) ... [2020-09-25 10:58:40,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:40" (1/1) ... [2020-09-25 10:58:40,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:40" (1/1) ... [2020-09-25 10:58:40,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:58:40,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:58:40,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:58:40,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:58:40,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:58:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:58:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:58:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:58:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:58:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:58:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:58:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:58:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:58:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:58:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:58:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:58:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:58:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:58:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:58:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:58:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 10:58:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:58:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 10:58:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:58:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:58:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:58:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:58:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:58:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:58:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 10:58:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 10:58:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:58:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:58:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:58:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:58:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:58:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:58:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:58:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:58:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:58:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:58:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:58:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 10:58:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:58:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:58:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:58:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:58:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:58:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:58:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:58:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:58:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:58:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:58:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:58:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:58:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:58:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:58:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:58:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:58:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:58:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:58:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:58:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:58:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:58:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:58:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:58:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:58:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:58:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:58:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 10:58:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:58:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:58:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:58:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:58:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:58:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 10:58:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 10:58:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:58:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 10:58:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 10:58:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:58:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:58:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:58:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:58:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:58:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:58:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:58:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:58:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:58:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:58:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:58:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:58:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:58:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:58:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:58:42,007 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:58:42,007 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:58:42,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:58:42 BoogieIcfgContainer [2020-09-25 10:58:42,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:58:42,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:58:42,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:58:42,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:58:42,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:58:39" (1/3) ... [2020-09-25 10:58:42,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584e4929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:58:42, skipping insertion in model container [2020-09-25 10:58:42,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:40" (2/3) ... [2020-09-25 10:58:42,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584e4929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:58:42, skipping insertion in model container [2020-09-25 10:58:42,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:58:42" (3/3) ... [2020-09-25 10:58:42,025 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2020-09-25 10:58:42,037 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:58:42,048 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:58:42,069 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:58:42,096 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:58:42,097 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:58:42,097 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:58:42,097 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:58:42,097 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:58:42,097 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:58:42,098 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:58:42,098 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:58:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-09-25 10:58:42,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 10:58:42,145 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:58:42,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:58:42,147 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:58:42,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:58:42,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2064914024, now seen corresponding path program 1 times [2020-09-25 10:58:42,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:58:42,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085487915] [2020-09-25 10:58:42,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:58:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:42,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:42,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:44,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:45,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:47,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:47,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 10:58:47,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:58:47,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5098 [2020-09-25 10:58:47,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:47,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 10:58:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 10:58:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 10:58:47,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 10:58:48,209 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:58:48,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:58:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:48,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:48,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:48,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:58:48,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:48,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-09-25 10:58:48,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:48,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 10:58:48,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:48,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:58:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:48,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:48,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:48,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:48,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:48,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:58:48,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:48,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:48,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:48,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:58:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:48,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:48,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:48,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:48,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:48,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:48,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:48,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:48,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:48,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:58:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:48,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:48,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:48,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:48,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:48,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 10:58:48,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:48,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:48,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:48,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:48,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:48,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:48,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:58:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:48,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:48,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:48,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:48,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:48,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:58:48,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:48,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:48,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:48,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:48,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:48,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 10:58:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:48,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:48,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:48,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:48,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:48,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:58:48,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:48,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:58:48,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:48,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:48,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:58:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 10:58:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:48,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:48,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:48,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:48,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:48,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:58:48,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:48,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:58:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:48,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:58:48,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085487915] [2020-09-25 10:58:48,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:58:48,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 10:58:48,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910639424] [2020-09-25 10:58:48,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 10:58:48,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:58:48,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 10:58:48,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 10:58:48,962 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 8 states. [2020-09-25 10:58:49,617 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:58:50,628 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:51,024 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:58:51,473 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:58:51,902 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:52,187 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:52,531 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:58:52,886 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:54,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:58:54,666 INFO L93 Difference]: Finished difference Result 556 states and 690 transitions. [2020-09-25 10:58:54,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 10:58:54,668 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 10:58:54,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:58:54,690 INFO L225 Difference]: With dead ends: 556 [2020-09-25 10:58:54,690 INFO L226 Difference]: Without dead ends: 386 [2020-09-25 10:58:54,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 10:58:54,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-09-25 10:58:54,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 342. [2020-09-25 10:58:54,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-09-25 10:58:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 388 transitions. [2020-09-25 10:58:54,834 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 388 transitions. Word has length 142 [2020-09-25 10:58:54,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:58:54,835 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 388 transitions. [2020-09-25 10:58:54,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 10:58:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 388 transitions. [2020-09-25 10:58:54,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 10:58:54,841 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:58:54,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:58:54,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:58:54,842 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:58:54,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:58:54,842 INFO L82 PathProgramCache]: Analyzing trace with hash -702473135, now seen corresponding path program 1 times [2020-09-25 10:58:54,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:58:54,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988953015] [2020-09-25 10:58:54,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:58:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:54,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:55,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:56,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:59,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:59,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 10:58:59,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:58:59,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 10:58:59,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:59,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:58:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 10:58:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 10:58:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:00,215 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:59:00,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:59:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:00,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:00,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:00,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:59:00,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:00,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-09-25 10:59:00,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:00,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:59:00,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:59:00,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:59:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:00,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:00,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:00,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:59:00,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:00,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:59:00,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:00,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:00,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:00,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:00,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:59:00,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:00,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:59:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:00,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:00,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:00,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:59:00,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:00,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:59:00,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:00,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:00,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:00,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:59:00,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:59:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:00,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:00,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:00,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:59:00,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:00,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:59:00,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:00,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:00,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:00,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:00,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:59:00,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:00,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:59:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:00,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:00,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:00,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:59:00,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:00,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:59:00,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:00,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:00,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:59:00,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 10:59:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:00,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:00,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:00,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:59:00,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:00,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:59:00,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:00,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:59:00,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:00,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 10:59:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:00,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:00,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:00,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:59:00,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:00,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:59:00,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:00,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:00,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:59:00,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:59:00,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:59:00,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:59:00,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 10:59:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:00,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:00,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:00,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:59:00,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:00,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:59:00,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:00,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:59:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:59:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:59:00,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:59:00,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988953015] [2020-09-25 10:59:00,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:59:00,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:59:00,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230930424] [2020-09-25 10:59:00,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:59:00,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:59:00,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:59:00,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:59:00,636 INFO L87 Difference]: Start difference. First operand 342 states and 388 transitions. Second operand 5 states. [2020-09-25 10:59:01,147 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:59:03,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:59:03,211 INFO L93 Difference]: Finished difference Result 881 states and 1082 transitions. [2020-09-25 10:59:03,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:59:03,212 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 10:59:03,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:59:03,221 INFO L225 Difference]: With dead ends: 881 [2020-09-25 10:59:03,221 INFO L226 Difference]: Without dead ends: 649 [2020-09-25 10:59:03,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:59:03,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-09-25 10:59:03,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 561. [2020-09-25 10:59:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-09-25 10:59:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 651 transitions. [2020-09-25 10:59:03,363 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 651 transitions. Word has length 148 [2020-09-25 10:59:03,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:59:03,364 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 651 transitions. [2020-09-25 10:59:03,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:59:03,365 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 651 transitions. [2020-09-25 10:59:03,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 10:59:03,369 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:59:03,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:59:03,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:59:03,370 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:59:03,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:59:03,370 INFO L82 PathProgramCache]: Analyzing trace with hash 532350854, now seen corresponding path program 1 times [2020-09-25 10:59:03,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:59:03,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485587711] [2020-09-25 10:59:03,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:59:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:03,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:04,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:04,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:05,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:08,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:08,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 10:59:08,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:59:08,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 10:59:08,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:08,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 10:59:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 10:59:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 10:59:08,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:08,937 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:59:08,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:59:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:09,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:09,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:09,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:59:09,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:09,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-09-25 10:59:09,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:09,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:09,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:09,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:09,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 10:59:09,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:09,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:59:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:09,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:09,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:09,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:59:09,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:09,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:59:09,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:09,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:09,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:09,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:09,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:59:09,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:09,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:59:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:09,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:09,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:09,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:59:09,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:59:09,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:09,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:59:09,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:59:09,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:59:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:09,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:09,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:09,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:59:09,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:09,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:59:09,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:09,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:59:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:59:09,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:59:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:09,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:09,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:09,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:59:09,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:09,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:59:09,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:09,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:09,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:09,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:09,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:59:09,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:59:09,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 10:59:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:09,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:09,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:09,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:59:09,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:09,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:59:09,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:09,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:09,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:09,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:09,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:59:09,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:09,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 10:59:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:09,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:09,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:09,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:09,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:59:09,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:59:09,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 10:59:09,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:09,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:59:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:59:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 10:59:09,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:09,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:59:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:09,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:09,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:09,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:59:09,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:09,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:59:09,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:09,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:09,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:59:09,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:09,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 10:59:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:09,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:09,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:09,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:59:09,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:09,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:59:09,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:09,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:59:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:09,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:59:09,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:09,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 10:59:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:59:09,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:59:09,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:59:09,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:59:09,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:59:09,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 10:59:09,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:59:09,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:59:09,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:59:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:59:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:59:09,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:59:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:59:09,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485587711] [2020-09-25 10:59:09,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:59:09,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 10:59:09,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974017142] [2020-09-25 10:59:09,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 10:59:09,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:59:09,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 10:59:09,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:59:09,541 INFO L87 Difference]: Start difference. First operand 561 states and 651 transitions. Second operand 10 states. [2020-09-25 10:59:10,166 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:11,416 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:11,756 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:12,105 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:12,459 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:59:12,772 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:59:12,979 INFO L93 Difference]: Finished difference Result 888 states and 1078 transitions. [2020-09-25 10:59:12,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 10:59:12,983 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 10:59:12,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:59:12,984 INFO L225 Difference]: With dead ends: 888 [2020-09-25 10:59:12,984 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 10:59:12,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 10:59:12,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 10:59:12,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 10:59:12,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 10:59:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 10:59:12,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-25 10:59:12,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:59:12,989 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 10:59:12,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 10:59:12,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 10:59:12,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 10:59:12,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:59:12,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 10:59:13,170 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:13,343 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:13,510 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:13,679 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:13,834 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:13,989 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:14,152 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:14,319 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:14,485 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:14,652 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:14,821 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:14,983 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:15,146 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:15,302 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:15,468 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:15,628 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:15,786 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:15,943 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:16,109 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:16,265 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:16,427 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:16,585 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:16,734 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:16,896 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:17,054 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:17,176 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 10:59:17,338 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:59:17,506 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:17,665 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:17,827 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:17,985 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:18,150 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:18,308 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:18,466 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:18,625 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:18,776 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:18,927 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:19,081 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:19,229 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:19,402 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:19,569 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:19,731 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:19,888 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:20,042 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:20,199 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:20,348 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:20,502 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:20,757 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 10:59:21,077 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 10:59:21,229 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:21,561 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 10:59:21,817 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 10:59:21,976 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:22,134 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:22,288 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:22,442 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:22,590 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:22,749 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:22,909 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:23,058 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:23,212 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:23,372 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:23,530 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:23,684 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:23,842 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:23,995 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:24,153 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:24,304 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:24,458 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:24,610 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:24,763 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:24,921 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:25,175 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:25,328 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:25,646 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 10:59:25,960 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 10:59:26,292 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 10:59:26,631 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 10:59:26,867 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 10:59:27,102 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 10:59:27,416 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 10:59:27,654 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 10:59:27,909 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 10:59:28,167 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 10:59:28,436 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 10:59:28,692 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 10:59:29,023 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 10:59:29,181 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:29,441 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:29,594 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:29,743 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:29,896 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:30,055 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:30,218 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:30,375 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:30,639 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 10:59:30,959 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 10:59:31,111 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:31,441 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 10:59:31,696 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 10:59:31,858 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:32,107 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:32,257 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:59:32,420 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:32,576 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:59:32,831 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190