/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=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:56:47,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:56:47,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:56:47,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:56:47,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:56:47,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:56:47,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:56:47,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:56:47,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:56:47,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:56:47,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:56:47,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:56:47,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:56:47,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:56:47,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:56:47,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:56:47,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:56:47,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:56:47,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:56:47,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:56:47,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:56:47,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:56:47,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:56:47,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:56:47,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:56:47,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:56:47,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:56:47,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:56:47,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:56:47,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:56:47,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:56:47,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:56:47,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:56:47,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:56:47,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:56:47,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:56:47,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:56:47,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:56:47,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:56:47,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:56:47,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:56:47,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 17:56:47,708 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:56:47,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:56:47,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:56:47,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:56:47,713 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:56:47,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:56:47,713 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:56:47,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:56:47,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:56:47,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:56:47,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:56:47,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:56:47,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:56:47,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:56:47,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:56:47,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:56:47,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:56:47,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:56:47,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:56:47,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:56:47,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:56:47,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:56:47,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:56:47,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:56:47,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:56:47,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:56:47,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:56:47,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:56:47,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:56:47,720 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 17:56:48,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:56:48,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:56:48,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:56:48,277 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:56:48,279 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:56:48,280 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-09-24 17:56:48,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a51ac739e/505006d85984403a91476c6858f54c4a/FLAGeecfb1fdc [2020-09-24 17:56:49,065 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:56:49,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-09-24 17:56:49,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a51ac739e/505006d85984403a91476c6858f54c4a/FLAGeecfb1fdc [2020-09-24 17:56:49,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a51ac739e/505006d85984403a91476c6858f54c4a [2020-09-24 17:56:49,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:56:49,319 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:56:49,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:56:49,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:56:49,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:56:49,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:56:49" (1/1) ... [2020-09-24 17:56:49,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f0b970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:49, skipping insertion in model container [2020-09-24 17:56:49,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:56:49" (1/1) ... [2020-09-24 17:56:49,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:56:49,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:56:49,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:56:49,936 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:56:50,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:56:50,094 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:56:50,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:50 WrapperNode [2020-09-24 17:56:50,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:56:50,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:56:50,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:56:50,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:56:50,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:50" (1/1) ... [2020-09-24 17:56:50,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:50" (1/1) ... [2020-09-24 17:56:50,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:50" (1/1) ... [2020-09-24 17:56:50,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:50" (1/1) ... [2020-09-24 17:56:50,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:50" (1/1) ... [2020-09-24 17:56:50,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:50" (1/1) ... [2020-09-24 17:56:50,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:50" (1/1) ... [2020-09-24 17:56:50,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:56:50,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:56:50,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:56:50,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:56:50,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:56:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:56:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:56:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 17:56:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 17:56:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 17:56:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 17:56:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 17:56:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:56:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 17:56:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 17:56:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 17:56:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 17:56:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 17:56:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 17:56:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 17:56:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 17:56:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 17:56:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 17:56:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 17:56:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 17:56:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 17:56:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 17:56:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 17:56:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 17:56:50,317 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 17:56:50,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:56:50,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:56:50,318 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 17:56:50,318 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 17:56:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 17:56:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 17:56:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 17:56:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 17:56:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 17:56:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 17:56:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 17:56:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 17:56:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 17:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 17:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 17:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 17:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 17:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 17:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 17:56:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 17:56:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 17:56:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:56:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 17:56:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 17:56:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 17:56:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 17:56:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 17:56:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:56:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 17:56:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:56:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:56:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 17:56:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:56:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:56:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 17:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 17:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 17:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 17:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 17:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:56:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 17:56:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 17:56:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 17:56:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 17:56:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 17:56:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 17:56:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 17:56:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 17:56:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:56:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 17:56:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 17:56:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 17:56:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 17:56:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 17:56:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 17:56:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 17:56:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:56:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:56:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:56:51,631 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:56:51,633 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 17:56:51,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:56:51 BoogieIcfgContainer [2020-09-24 17:56:51,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:56:51,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:56:51,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:56:51,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:56:51,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:56:49" (1/3) ... [2020-09-24 17:56:51,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0e515a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:56:51, skipping insertion in model container [2020-09-24 17:56:51,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:50" (2/3) ... [2020-09-24 17:56:51,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0e515a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:56:51, skipping insertion in model container [2020-09-24 17:56:51,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:56:51" (3/3) ... [2020-09-24 17:56:51,657 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2020-09-24 17:56:51,671 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:56:51,687 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:56:51,713 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:56:51,754 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:56:51,755 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:56:51,755 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:56:51,755 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:56:51,755 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:56:51,755 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:56:51,755 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:56:51,755 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:56:51,799 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-09-24 17:56:51,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 17:56:51,838 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:56:51,840 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] [2020-09-24 17:56:51,842 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:56:51,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:56:51,852 INFO L82 PathProgramCache]: Analyzing trace with hash -142379134, now seen corresponding path program 1 times [2020-09-24 17:56:51,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:56:51,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014466170] [2020-09-24 17:56:51,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:56:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:52,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:52,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:54,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:55,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:55,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:57,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:57,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 17:56:57,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:56:57,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-24 17:56:57,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:57,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:57,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 17:56:57,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:57,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 17:56:57,694 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:56:57,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:56:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:57,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:57,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:57,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:56:57,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:57,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-24 17:56:57,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:57,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:56:57,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:56:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:57,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:57,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:57,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:56:57,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:57,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:56:57,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:57,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:57,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:56:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:56:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:57,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:57,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:57,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:56:57,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:57,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:56:57,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:57,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:57,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:57,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:57,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:56:57,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:56:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:57,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:57,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:57,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:56:57,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:57,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 17:56:57,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:57,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:56:57,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:56:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:57,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:57,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:57,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:56:57,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:57,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:56:57,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:57,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:56:57,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:56:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:57,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:57,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:57,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:56:57,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:57,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:56:57,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:57,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:56:57,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 17:56:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:58,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:58,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:58,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:56:58,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:58,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:56:58,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:58,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:56:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:58,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:56:58,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 17:56:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:58,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:58,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:58,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:56:58,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:56:58,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:56:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:58,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:56:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:56:58,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014466170] [2020-09-24 17:56:58,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:56:58,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 17:56:58,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027550069] [2020-09-24 17:56:58,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 17:56:58,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:56:58,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 17:56:58,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 17:56:58,078 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2020-09-24 17:56:59,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:56:59,367 INFO L93 Difference]: Finished difference Result 429 states and 515 transitions. [2020-09-24 17:56:59,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 17:56:59,369 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 17:56:59,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:56:59,390 INFO L225 Difference]: With dead ends: 429 [2020-09-24 17:56:59,391 INFO L226 Difference]: Without dead ends: 282 [2020-09-24 17:56:59,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 17:56:59,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-24 17:56:59,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 232. [2020-09-24 17:56:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-09-24 17:56:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 252 transitions. [2020-09-24 17:56:59,515 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 252 transitions. Word has length 148 [2020-09-24 17:56:59,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:56:59,516 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 252 transitions. [2020-09-24 17:56:59,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 17:56:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 252 transitions. [2020-09-24 17:56:59,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 17:56:59,526 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:56:59,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:56:59,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:56:59,527 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:56:59,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:56:59,529 INFO L82 PathProgramCache]: Analyzing trace with hash 325807007, now seen corresponding path program 1 times [2020-09-24 17:56:59,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:56:59,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039839132] [2020-09-24 17:56:59,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:56:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:59,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:59,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:01,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:02,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:02,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:04,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:04,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 17:57:04,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:57:04,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-24 17:57:04,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 17:57:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 17:57:04,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:04,948 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:04,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:04,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:05,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:05,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:05,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:05,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-24 17:57:05,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:05,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:05,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:05,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:05,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:05,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:05,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:05,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:05,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:05,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:05,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:05,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:05,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:05,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:05,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:05,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:05,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:05,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:05,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:57:05,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:05,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:05,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:05,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:05,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:05,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:05,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:05,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:05,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:05,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:05,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:05,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:05,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:05,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:05,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:05,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:05,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:05,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:05,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:05,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:05,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:05,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:05,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:05,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:05,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:05,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:05,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:05,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:05,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:05,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:05,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:05,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:05,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:05,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:05,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:05,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:05,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 17:57:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:05,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:05,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:05,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:05,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:05,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:05,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:05,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:05,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:05,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:05,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:05,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 17:57:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:05,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:05,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:05,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:05,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:05,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:05,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:05,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:05,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:05,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:05,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:57:05,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039839132] [2020-09-24 17:57:05,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:05,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 17:57:05,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601305132] [2020-09-24 17:57:05,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 17:57:05,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:05,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 17:57:05,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 17:57:05,266 INFO L87 Difference]: Start difference. First operand 232 states and 252 transitions. Second operand 5 states. [2020-09-24 17:57:06,004 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 17:57:07,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:07,001 INFO L93 Difference]: Finished difference Result 348 states and 398 transitions. [2020-09-24 17:57:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 17:57:07,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 17:57:07,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:07,009 INFO L225 Difference]: With dead ends: 348 [2020-09-24 17:57:07,010 INFO L226 Difference]: Without dead ends: 271 [2020-09-24 17:57:07,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 17:57:07,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-24 17:57:07,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 222. [2020-09-24 17:57:07,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-09-24 17:57:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 239 transitions. [2020-09-24 17:57:07,065 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 239 transitions. Word has length 149 [2020-09-24 17:57:07,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:07,066 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 239 transitions. [2020-09-24 17:57:07,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 17:57:07,066 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2020-09-24 17:57:07,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 17:57:07,069 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:07,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:07,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:57:07,070 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:07,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:07,070 INFO L82 PathProgramCache]: Analyzing trace with hash 2005723559, now seen corresponding path program 1 times [2020-09-24 17:57:07,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:07,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [687076532] [2020-09-24 17:57:07,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:07,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:07,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:09,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:12,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 17:57:12,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:57:12,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 17:57:12,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:12,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 17:57:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 17:57:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:12,448 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:12,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:12,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:12,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 17:57:12,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:12,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:12,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:12,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:12,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:12,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:12,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:12,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:12,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:12,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:12,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:12,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:12,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:12,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:12,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:12,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:12,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:12,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:12,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:12,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:12,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:12,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:12,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:12,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:12,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:12,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:12,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:12,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:12,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:12,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:12,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:12,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:12,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:12,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:12,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:12,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:12,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:12,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:12,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:12,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 17:57:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:12,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:12,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:12,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:12,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 17:57:12,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:12,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 17:57:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:12,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:12,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:12,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:12,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:12,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:12,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 17:57:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:12,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:12,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:12,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:12,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:12,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:12,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:57:12,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [687076532] [2020-09-24 17:57:12,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:12,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 17:57:12,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642343885] [2020-09-24 17:57:12,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 17:57:12,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:12,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 17:57:12,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 17:57:12,755 INFO L87 Difference]: Start difference. First operand 222 states and 239 transitions. Second operand 6 states. [2020-09-24 17:57:13,254 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:15,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:15,035 INFO L93 Difference]: Finished difference Result 516 states and 611 transitions. [2020-09-24 17:57:15,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 17:57:15,036 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 17:57:15,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:15,042 INFO L225 Difference]: With dead ends: 516 [2020-09-24 17:57:15,042 INFO L226 Difference]: Without dead ends: 409 [2020-09-24 17:57:15,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 17:57:15,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-09-24 17:57:15,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 319. [2020-09-24 17:57:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-24 17:57:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 354 transitions. [2020-09-24 17:57:15,107 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 354 transitions. Word has length 162 [2020-09-24 17:57:15,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:15,108 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 354 transitions. [2020-09-24 17:57:15,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 17:57:15,109 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 354 transitions. [2020-09-24 17:57:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 17:57:15,112 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:15,112 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:15,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:57:15,113 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:15,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:15,113 INFO L82 PathProgramCache]: Analyzing trace with hash 2061406416, now seen corresponding path program 1 times [2020-09-24 17:57:15,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:15,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [113407009] [2020-09-24 17:57:15,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:15,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:15,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:19,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:20,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:20,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 17:57:20,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:57:20,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-24 17:57:20,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 17:57:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-24 17:57:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 17:57:20,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:20,623 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:20,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:20,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:20,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:20,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:20,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:20,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-24 17:57:20,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:20,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:20,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:20,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:20,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:20,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:20,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:20,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:20,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:20,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:20,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:20,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:20,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:20,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:20,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:20,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:20,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:20,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:20,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:20,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:20,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:20,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:20,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:20,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:20,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 17:57:20,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:20,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:20,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:20,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:20,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:20,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:20,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:20,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:20,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:20,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:20,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:20,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:20,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:20,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:20,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:20,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:20,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:20,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:20,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:20,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:20,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:20,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:20,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:20,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:20,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 17:57:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:20,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:20,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:20,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:57:20,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:20,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:20,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:20,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:20,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:20,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:20,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 17:57:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:20,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:20,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:20,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:20,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:20,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:57:20,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:57:20,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:20,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 17:57:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:20,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:20,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:20,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:20,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:20,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 17:57:20,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:20,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:57:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:57:20,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:57:21,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [113407009] [2020-09-24 17:57:21,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:21,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:57:21,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222560416] [2020-09-24 17:57:21,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:57:21,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:21,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:57:21,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:57:21,082 INFO L87 Difference]: Start difference. First operand 319 states and 354 transitions. Second operand 10 states. [2020-09-24 17:57:21,631 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:23,241 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-24 17:57:23,873 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-24 17:57:24,183 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:24,516 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 17:57:24,813 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:25,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:25,165 INFO L93 Difference]: Finished difference Result 540 states and 644 transitions. [2020-09-24 17:57:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 17:57:25,166 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 17:57:25,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:25,167 INFO L225 Difference]: With dead ends: 540 [2020-09-24 17:57:25,168 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 17:57:25,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-24 17:57:25,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 17:57:25,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 17:57:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 17:57:25,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 17:57:25,174 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-09-24 17:57:25,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:25,174 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 17:57:25,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:57:25,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 17:57:25,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 17:57:25,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 17:57:25,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 17:57:25,392 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:25,555 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:25,683 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-24 17:57:25,843 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:26,004 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:26,156 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:26,326 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:26,451 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-24 17:57:26,629 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:26,786 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:27,087 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:27,379 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:27,670 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:27,961 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:28,107 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:28,256 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:28,411 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:28,563 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:28,715 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:28,864 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:29,018 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:29,171 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:29,325 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:29,567 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:57:29,906 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:57:30,246 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:57:30,588 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:57:30,829 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:57:31,171 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:57:31,510 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:57:31,667 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:31,817 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:31,970 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:32,121 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:32,273 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:32,427 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:32,580 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:32,734 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:32,841 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-24 17:57:32,996 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:33,148 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:33,308 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:33,458 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:33,612 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:33,765 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:33,927 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:34,042 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-24 17:57:34,301 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:34,453 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:34,602 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:34,767 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:34,920 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:35,074 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:35,223 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:35,466 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:57:35,806 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:57:36,145 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:57:36,486 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:57:36,728 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:57:37,069 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:57:37,433 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:57:37,588 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:37,738 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:37,891 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:38,000 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-24 17:57:38,153 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:38,307 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:38,469 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:38,622 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:38,776 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:38,929 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:39,090 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:39,244 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:39,396 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:39,809 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-24 17:57:40,011 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:57:40,196 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-24 17:57:40,417 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:57:40,583 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:57:40,777 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-24 17:57:41,044 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187