/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:52:42,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:52:42,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:52:42,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:52:42,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:52:42,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:52:42,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:52:42,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:52:42,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:52:42,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:52:42,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:52:42,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:52:42,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:52:42,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:52:42,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:52:42,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:52:42,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:52:42,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:52:42,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:52:42,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:52:42,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:52:42,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:52:42,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:52:42,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:52:42,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:52:42,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:52:42,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:52:42,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:52:42,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:52:42,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:52:42,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:52:42,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:52:42,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:52:42,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:52:42,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:52:42,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:52:42,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:52:42,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:52:42,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:52:42,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:52:42,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:52:42,216 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 16:52:42,242 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:52:42,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:52:42,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:52:42,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:52:42,244 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:52:42,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:52:42,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:52:42,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:52:42,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:52:42,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:52:42,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:52:42,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:52:42,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:52:42,246 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:52:42,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:52:42,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:52:42,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:52:42,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:52:42,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:52:42,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:52:42,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:52:42,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:52:42,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:52:42,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:52:42,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:52:42,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:52:42,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:52:42,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:52:42,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:52:42,249 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;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;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;log-additional-information=true; [2020-09-24 16:52:42,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:52:42,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:52:42,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:52:42,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:52:42,733 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:52:42,734 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-09-24 16:52:42,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0fa79700d/8f91e0dab33449618b87f660f291d7b7/FLAG21e681d98 [2020-09-24 16:52:43,386 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:52:43,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-09-24 16:52:43,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0fa79700d/8f91e0dab33449618b87f660f291d7b7/FLAG21e681d98 [2020-09-24 16:52:43,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0fa79700d/8f91e0dab33449618b87f660f291d7b7 [2020-09-24 16:52:43,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:52:43,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:52:43,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:52:43,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:52:43,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:52:43,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:52:43" (1/1) ... [2020-09-24 16:52:43,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e89ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:43, skipping insertion in model container [2020-09-24 16:52:43,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:52:43" (1/1) ... [2020-09-24 16:52:43,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:52:43,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:52:44,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:52:44,148 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:52:44,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:52:44,393 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:52:44,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:44 WrapperNode [2020-09-24 16:52:44,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:52:44,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:52:44,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:52:44,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:52:44,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:44" (1/1) ... [2020-09-24 16:52:44,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:44" (1/1) ... [2020-09-24 16:52:44,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:44" (1/1) ... [2020-09-24 16:52:44,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:44" (1/1) ... [2020-09-24 16:52:44,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:44" (1/1) ... [2020-09-24 16:52:44,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:44" (1/1) ... [2020-09-24 16:52:44,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:44" (1/1) ... [2020-09-24 16:52:44,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:52:44,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:52:44,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:52:44,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:52:44,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:44" (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 16:52:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:52:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:52:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 16:52:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 16:52:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 16:52:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 16:52:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 16:52:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 16:52:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 16:52:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 16:52:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 16:52:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 16:52:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 16:52:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 16:52:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 16:52:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 16:52:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 16:52:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 16:52:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 16:52:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:52:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 16:52:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 16:52:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 16:52:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 16:52:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 16:52:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 16:52:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 16:52:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 16:52:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 16:52:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 16:52:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 16:52:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 16:52:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 16:52:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 16:52:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 16:52:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:52:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:52:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 16:52:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 16:52:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 16:52:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 16:52:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 16:52:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 16:52:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 16:52:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:52:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 16:52:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:52:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:52:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 16:52:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:52:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:52:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:52:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:52:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 16:52:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:52:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 16:52:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 16:52:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:52:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 16:52:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 16:52:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 16:52:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 16:52:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 16:52:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 16:52:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 16:52:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 16:52:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 16:52:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 16:52:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 16:52:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 16:52:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 16:52:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:52:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 16:52:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 16:52:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 16:52:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 16:52:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 16:52:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 16:52:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 16:52:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 16:52:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 16:52:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:52:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 16:52:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:52:45,878 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:52:45,878 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 16:52:45,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:52:45 BoogieIcfgContainer [2020-09-24 16:52:45,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:52:45,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:52:45,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:52:45,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:52:45,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:52:43" (1/3) ... [2020-09-24 16:52:45,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740a6804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:52:45, skipping insertion in model container [2020-09-24 16:52:45,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:44" (2/3) ... [2020-09-24 16:52:45,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740a6804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:52:45, skipping insertion in model container [2020-09-24 16:52:45,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:52:45" (3/3) ... [2020-09-24 16:52:45,897 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2020-09-24 16:52:45,909 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:52:45,924 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:52:45,948 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:52:45,991 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:52:45,992 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:52:45,992 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:52:45,992 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:52:45,993 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:52:45,993 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:52:45,993 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:52:45,993 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:52:46,036 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states. [2020-09-24 16:52:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 16:52:46,065 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:52:46,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:52:46,068 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:52:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:52:46,076 INFO L82 PathProgramCache]: Analyzing trace with hash -95767134, now seen corresponding path program 1 times [2020-09-24 16:52:46,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:52:46,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062987145] [2020-09-24 16:52:46,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:52:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:46,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:46,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:47,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:48,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:48,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:06,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:06,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 16:53:06,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 16:53:06,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20078 [2020-09-24 16:53:06,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:06,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:06,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 16:53:06,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 16:53:06,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:53:06,966 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:53:06,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:53:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:07,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:07,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:07,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:53:07,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:07,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-09-24 16:53:07,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:07,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:07,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:07,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 16:53:07,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-24 16:53:07,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 16:53:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:07,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:07,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:07,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:07,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:07,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:07,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:07,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:07,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:07,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:07,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:53:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:07,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:07,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:07,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:07,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:07,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:07,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:07,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:07,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:07,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:07,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:07,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 16:53:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:07,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:07,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:07,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:07,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:07,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:53:07,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:07,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:07,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:07,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:07,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:07,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 16:53:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:07,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:07,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:07,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:07,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:07,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:07,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:07,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:07,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:07,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:07,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:07,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 16:53:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:07,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:07,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:07,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:07,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:07,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:53:07,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:07,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:07,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:53:07,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:07,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:07,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 16:53:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:07,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:07,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:07,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:07,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:07,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:07,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:07,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:07,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:53:07,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:07,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:07,501 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 16:53:07,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062987145] [2020-09-24 16:53:07,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:53:07,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:53:07,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263788731] [2020-09-24 16:53:07,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:53:07,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:53:07,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:53:07,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:53:07,539 INFO L87 Difference]: Start difference. First operand 269 states. Second operand 4 states. [2020-09-24 16:53:08,138 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:53:09,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:53:09,265 INFO L93 Difference]: Finished difference Result 401 states and 479 transitions. [2020-09-24 16:53:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 16:53:09,268 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-24 16:53:09,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:53:09,289 INFO L225 Difference]: With dead ends: 401 [2020-09-24 16:53:09,290 INFO L226 Difference]: Without dead ends: 257 [2020-09-24 16:53:09,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:53:09,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-09-24 16:53:09,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 218. [2020-09-24 16:53:09,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-24 16:53:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 233 transitions. [2020-09-24 16:53:09,420 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 233 transitions. Word has length 142 [2020-09-24 16:53:09,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:53:09,421 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 233 transitions. [2020-09-24 16:53:09,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:53:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 233 transitions. [2020-09-24 16:53:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-24 16:53:09,427 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:53:09,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:53:09,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:53:09,428 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:53:09,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:53:09,428 INFO L82 PathProgramCache]: Analyzing trace with hash 290050311, now seen corresponding path program 1 times [2020-09-24 16:53:09,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:53:09,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697769693] [2020-09-24 16:53:09,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:53:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:09,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:09,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:10,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:10,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:18,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:27,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:27,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-24 16:53:27,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 16:53:27,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17727 [2020-09-24 16:53:27,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:27,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 16:53:27,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 16:53:27,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 16:53:27,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:27,600 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:53:27,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:53:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:27,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:27,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:27,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:53:27,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:27,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-09-24 16:53:27,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 16:53:27,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:27,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 16:53:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:27,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:27,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:27,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:27,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:27,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:27,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:27,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:27,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:27,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:53:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:27,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:27,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:27,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:27,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:27,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:27,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:27,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:27,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:27,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:27,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 16:53:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:27,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:27,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:27,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:27,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:27,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:53:27,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:27,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:27,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 16:53:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:27,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:27,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:27,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:27,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:27,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:53:27,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:27,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:27,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:27,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:27,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 16:53:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:27,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:27,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:27,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:27,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:53:27,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 16:53:27,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:53:27,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:53:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:53:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 16:53:27,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:27,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:53:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:27,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:27,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:27,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:27,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:27,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:27,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:27,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:27,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:27,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 16:53:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:27,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:27,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:27,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:27,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:27,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:27,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:28,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 16:53:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:28,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:28,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:28,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:28,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:28,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:53:28,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:53:28,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:28,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:28,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:28,110 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 16:53:28,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697769693] [2020-09-24 16:53:28,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:53:28,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 16:53:28,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339684534] [2020-09-24 16:53:28,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:53:28,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:53:28,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:53:28,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:53:28,115 INFO L87 Difference]: Start difference. First operand 218 states and 233 transitions. Second operand 9 states. [2020-09-24 16:53:28,853 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:53:29,989 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:30,265 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:53:30,608 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:30,953 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 16:53:31,266 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:31,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:53:31,445 INFO L93 Difference]: Finished difference Result 321 states and 363 transitions. [2020-09-24 16:53:31,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 16:53:31,445 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-24 16:53:31,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:53:31,449 INFO L225 Difference]: With dead ends: 321 [2020-09-24 16:53:31,450 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 16:53:31,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-24 16:53:31,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 16:53:31,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 16:53:31,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 16:53:31,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 16:53:31,458 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-09-24 16:53:31,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:53:31,477 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 16:53:31,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:53:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 16:53:31,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 16:53:31,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:53:31,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 16:53:31,665 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:31,836 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:31,995 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:32,157 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:32,310 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:32,418 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 9 [2020-09-24 16:53:32,562 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:53:32,716 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:32,869 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:33,020 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:33,172 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:33,324 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:33,476 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:33,625 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:33,775 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:33,925 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:34,074 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:34,222 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:34,477 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:34,726 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:34,879 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188