/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:54:52,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:54:52,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:54:52,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:54:52,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:54:52,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:54:52,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:54:52,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:54:52,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:54:52,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:54:52,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:54:52,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:54:52,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:54:52,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:54:52,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:54:52,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:54:52,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:54:52,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:54:52,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:54:52,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:54:52,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:54:52,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:54:52,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:54:52,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:54:52,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:54:52,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:54:52,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:54:52,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:54:52,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:54:52,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:54:52,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:54:52,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:54:52,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:54:52,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:54:52,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:54:52,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:54:52,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:54:52,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:54:52,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:54:52,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:54:52,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:54:52,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 10:54:52,675 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:54:52,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:54:52,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:54:52,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:54:52,677 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:54:52,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:54:52,681 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:54:52,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:54:52,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:54:52,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:54:52,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:54:52,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:54:52,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:54:52,683 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:54:52,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:54:52,684 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:54:52,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:54:52,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:54:52,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:54:52,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:54:52,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:54:52,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:54:52,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:54:52,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:54:52,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:54:52,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:54:52,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:54:52,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:54:52,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:54:52,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 10:54:53,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:54:53,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:54:53,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:54:53,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:54:53,192 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:54:53,193 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-09-25 10:54:53,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b07271b1f/3405427bfe6b496ca70e232828a1262e/FLAGae2601ed0 [2020-09-25 10:54:53,878 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:54:53,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-09-25 10:54:53,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b07271b1f/3405427bfe6b496ca70e232828a1262e/FLAGae2601ed0 [2020-09-25 10:54:54,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b07271b1f/3405427bfe6b496ca70e232828a1262e [2020-09-25 10:54:54,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:54:54,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:54:54,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:54:54,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:54:54,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:54:54,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:54:54" (1/1) ... [2020-09-25 10:54:54,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:54, skipping insertion in model container [2020-09-25 10:54:54,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:54:54" (1/1) ... [2020-09-25 10:54:54,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:54:54,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:54:54,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:54:54,657 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:54:54,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:54:54,872 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:54:54,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:54 WrapperNode [2020-09-25 10:54:54,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:54:54,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:54:54,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:54:54,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:54:54,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:54" (1/1) ... [2020-09-25 10:54:54,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:54" (1/1) ... [2020-09-25 10:54:54,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:54" (1/1) ... [2020-09-25 10:54:54,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:54" (1/1) ... [2020-09-25 10:54:54,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:54" (1/1) ... [2020-09-25 10:54:54,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:54" (1/1) ... [2020-09-25 10:54:54,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:54" (1/1) ... [2020-09-25 10:54:54,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:54:54,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:54:54,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:54:54,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:54:54,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:54:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:54:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:54:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:54:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:54:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:54:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:54:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:54:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:54:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:54:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:54:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:54:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:54:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:54:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:54:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 10:54:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 10:54:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:54:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:54:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:54:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:54:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 10:54:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 10:54:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:54:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:54:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:54:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:54:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:54:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:54:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 10:54:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 10:54:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:54:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:54:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:54:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:54:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:54:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:54:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:54:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:54:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:54:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:54:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:54:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:54:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:54:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:54:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:54:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:54:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:54:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:54:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:54:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:54:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:54:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:54:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:54:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:54:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:54:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:54:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:54:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:54:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:54:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:54:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:54:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:54:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 10:54:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 10:54:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:54:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:54:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:54:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:54:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:54:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:54:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:54:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 10:54:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 10:54:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 10:54:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 10:54:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:54:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:54:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:54:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:54:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:54:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:54:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:54:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:54:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:54:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:54:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:54:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:54:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:54:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:54:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:54:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:54:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:54:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:54:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:54:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:54:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:54:56,217 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:54:56,218 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:54:56,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:54:56 BoogieIcfgContainer [2020-09-25 10:54:56,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:54:56,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:54:56,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:54:56,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:54:56,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:54:54" (1/3) ... [2020-09-25 10:54:56,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8193ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:54:56, skipping insertion in model container [2020-09-25 10:54:56,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:54" (2/3) ... [2020-09-25 10:54:56,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8193ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:54:56, skipping insertion in model container [2020-09-25 10:54:56,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:54:56" (3/3) ... [2020-09-25 10:54:56,246 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2020-09-25 10:54:56,258 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:54:56,270 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:54:56,292 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:54:56,334 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:54:56,334 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:54:56,334 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:54:56,335 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:54:56,335 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:54:56,335 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:54:56,336 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:54:56,337 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:54:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states. [2020-09-25 10:54:56,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 10:54:56,414 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:54:56,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:54:56,417 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:54:56,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:54:56,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1663481443, now seen corresponding path program 1 times [2020-09-25 10:54:56,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:54:56,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816076135] [2020-09-25 10:54:56,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:54:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:56,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:57,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:57,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:58,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:59,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:01,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:01,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 10:55:01,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:55:01,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 10:55:01,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:01,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:01,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:55:01,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 10:55:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 10:55:01,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-25 10:55:02,368 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:55:02,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:55:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:02,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:02,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:02,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:55:02,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:02,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-25 10:55:02,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:02,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:02,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:02,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:02,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 10:55:02,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:02,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:55:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:02,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:02,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:02,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:02,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:02,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:55:02,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:02,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:02,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:02,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:02,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:02,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:55:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:02,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:02,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:02,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:02,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:02,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:55:02,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:02,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:02,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:02,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:55:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:02,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:02,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:02,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:02,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:02,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:55:02,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:02,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:02,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:02,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:02,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:02,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:02,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:55:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:02,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:02,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:02,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:02,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:02,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:55:02,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:02,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:02,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:55:02,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:55:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:02,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:02,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:02,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:02,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:02,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:55:02,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:02,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:02,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:02,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:02,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:55:02,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:02,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:55:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:02,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:02,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:02,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:02,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:02,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:55:02,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:02,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:02,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:02,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:02,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:02,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:02,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 10:55:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:02,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:02,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:02,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:02,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:02,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:02,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:02,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:02,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:02,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:55:02,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:02,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:03,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:55:03,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816076135] [2020-09-25 10:55:03,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:55:03,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 10:55:03,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542548529] [2020-09-25 10:55:03,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 10:55:03,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:55:03,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 10:55:03,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 10:55:03,046 INFO L87 Difference]: Start difference. First operand 327 states. Second operand 9 states. [2020-09-25 10:55:03,784 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:04,854 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:05,153 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:05,529 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:05,966 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:06,314 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:07,019 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:07,386 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:07,988 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:09,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:55:09,143 INFO L93 Difference]: Finished difference Result 673 states and 808 transitions. [2020-09-25 10:55:09,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 10:55:09,145 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 10:55:09,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:55:09,168 INFO L225 Difference]: With dead ends: 673 [2020-09-25 10:55:09,168 INFO L226 Difference]: Without dead ends: 465 [2020-09-25 10:55:09,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 10:55:09,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-09-25 10:55:09,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 397. [2020-09-25 10:55:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-25 10:55:09,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 438 transitions. [2020-09-25 10:55:09,315 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 438 transitions. Word has length 148 [2020-09-25 10:55:09,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:55:09,316 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 438 transitions. [2020-09-25 10:55:09,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 10:55:09,316 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 438 transitions. [2020-09-25 10:55:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-25 10:55:09,321 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:09,321 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] [2020-09-25 10:55:09,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:55:09,322 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:09,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:09,322 INFO L82 PathProgramCache]: Analyzing trace with hash 754388365, now seen corresponding path program 1 times [2020-09-25 10:55:09,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:09,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254927252] [2020-09-25 10:55:09,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:09,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:09,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:09,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:11,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:14,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:14,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-25 10:55:14,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:55:14,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 10:55:14,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:14,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:14,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 10:55:14,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 10:55:14,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 10:55:14,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:14,678 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:55:14,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:55:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:14,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:14,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:14,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:55:14,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:14,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-25 10:55:14,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:14,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:55:14,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:14,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:55:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:14,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:14,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:14,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:14,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:14,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:14,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:14,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:14,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:14,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:55:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:14,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:14,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:14,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:14,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:14,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:55:14,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:14,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:14,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:14,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:14,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:15,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:55:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:15,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:55:15,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:15,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:15,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:55:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:15,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:15,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:15,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:15,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:15,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:55:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:15,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:15,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:15,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:55:15,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:15,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:55:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:55:15,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:55:15,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:55:15,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:15,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 10:55:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:15,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:15,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:15,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:15,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:15,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 10:55:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:15,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:55:15,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:15,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:15,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:55:15,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254927252] [2020-09-25 10:55:15,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:55:15,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 10:55:15,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857270628] [2020-09-25 10:55:15,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 10:55:15,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:55:15,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 10:55:15,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:55:15,151 INFO L87 Difference]: Start difference. First operand 397 states and 438 transitions. Second operand 10 states. [2020-09-25 10:55:15,706 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:16,948 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:17,257 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:17,601 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:17,943 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:18,276 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:18,987 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:19,273 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:19,632 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:20,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:55:20,795 INFO L93 Difference]: Finished difference Result 942 states and 1137 transitions. [2020-09-25 10:55:20,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 10:55:20,795 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2020-09-25 10:55:20,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:55:20,804 INFO L225 Difference]: With dead ends: 942 [2020-09-25 10:55:20,804 INFO L226 Difference]: Without dead ends: 660 [2020-09-25 10:55:20,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 10:55:20,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-09-25 10:55:20,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 550. [2020-09-25 10:55:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-09-25 10:55:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 621 transitions. [2020-09-25 10:55:20,892 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 621 transitions. Word has length 163 [2020-09-25 10:55:20,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:55:20,898 INFO L479 AbstractCegarLoop]: Abstraction has 550 states and 621 transitions. [2020-09-25 10:55:20,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 10:55:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 621 transitions. [2020-09-25 10:55:20,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-25 10:55:20,905 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:20,905 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:55:20,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:55:20,906 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:20,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:20,906 INFO L82 PathProgramCache]: Analyzing trace with hash -989500862, now seen corresponding path program 1 times [2020-09-25 10:55:20,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:20,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22756377] [2020-09-25 10:55:20,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:21,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:21,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:21,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:21,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:21,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:25,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:25,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-09-25 10:55:25,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 10:55:25,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 10:55:25,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:25,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 10:55:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-25 10:55:25,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:26,310 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:55:26,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:55:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:26,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:55:26,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:26,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-09-25 10:55:26,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:26,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 10:55:26,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:26,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:55:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:26,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:26,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:26,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:26,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:26,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:26,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:26,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:26,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:26,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:26,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:55:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:26,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:26,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:26,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:26,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:26,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:26,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:26,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:26,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:26,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:55:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:26,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:26,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:26,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:55:26,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:26,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:26,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:26,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:26,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:26,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:26,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:55:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:26,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:26,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:26,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:26,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:26,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:26,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:26,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:55:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:26,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:26,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:26,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:26,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:26,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:26,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:26,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:55:26,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:26,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:55:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:26,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:55:26,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:26,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:55:26,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:26,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:26,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:26,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:26,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:55:26,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:26,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 10:55:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:26,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 10:55:26,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:26,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:55:26,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:26,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 10:55:26,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 10:55:26,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:26,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:26,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 10:55:26,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:26,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:55:26,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:26,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:26,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:26,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 10:55:26,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:26,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:26,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:26,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:26,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:26,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:26,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:26,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:26,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 10:55:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:26,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:26,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 10:55:26,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:55:26,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 10:55:26,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:26,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:55:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 10:55:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 10:55:26,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:26,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:26,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:27,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:27,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 10:55:27,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:27,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 10:55:27,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:27,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:27,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:55:27,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 10:55:27,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 10:55:27,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:27,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:27,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:27,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:27,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 10:55:27,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:27,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 10:55:27,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:27,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:27,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:27,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:27,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 10:55:27,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:27,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:55:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:27,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:27,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:27,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:55:27,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:27,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:55:27,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:27,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:27,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:27,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 10:55:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:27,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:27,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:27,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:27,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:27,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:27,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:27,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 10:55:27,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:27,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:27,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 10:55:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:27,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:27,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:27,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:27,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:27,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:27,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:27,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:55:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:27,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:27,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 10:55:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:27,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:27,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:27,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:27,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:27,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:27,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:27,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:55:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:27,408 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 10:55:27,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22756377] [2020-09-25 10:55:27,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:55:27,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 10:55:27,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693038856] [2020-09-25 10:55:27,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 10:55:27,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:55:27,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 10:55:27,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-25 10:55:27,412 INFO L87 Difference]: Start difference. First operand 550 states and 621 transitions. Second operand 14 states. [2020-09-25 10:55:27,918 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:29,153 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:29,479 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 10:55:29,814 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-25 10:55:30,129 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:55:30,457 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 10:55:30,782 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:32,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:55:32,465 INFO L93 Difference]: Finished difference Result 1204 states and 1496 transitions. [2020-09-25 10:55:32,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 10:55:32,469 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 227 [2020-09-25 10:55:32,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:55:32,480 INFO L225 Difference]: With dead ends: 1204 [2020-09-25 10:55:32,481 INFO L226 Difference]: Without dead ends: 769 [2020-09-25 10:55:32,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2020-09-25 10:55:32,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-09-25 10:55:32,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 578. [2020-09-25 10:55:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-09-25 10:55:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 653 transitions. [2020-09-25 10:55:32,609 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 653 transitions. Word has length 227 [2020-09-25 10:55:32,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:55:32,611 INFO L479 AbstractCegarLoop]: Abstraction has 578 states and 653 transitions. [2020-09-25 10:55:32,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 10:55:32,611 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 653 transitions. [2020-09-25 10:55:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-25 10:55:32,617 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:32,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:55:32,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:55:32,618 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:32,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:32,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1300689949, now seen corresponding path program 1 times [2020-09-25 10:55:32,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:32,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961631035] [2020-09-25 10:55:32,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:32,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-25 10:55:36,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:55:36,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3423 [2020-09-25 10:55:36,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:55:36,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 10:55:36,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 10:55:36,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:36,411 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:55:36,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:55:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:55:36,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 10:55:36,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:36,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:36,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:36,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:55:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:36,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:55:36,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:36,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:36,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:36,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:36,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:55:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:36,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:55:36,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:36,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:36,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:36,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:36,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:55:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:36,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:36,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:36,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:36,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:55:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:36,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:55:36,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:36,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:36,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:55:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:36,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:36,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:36,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:36,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 10:55:36,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:36,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:55:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:55:36,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:55:36,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:36,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:36,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:55:36,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:36,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 10:55:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 10:55:36,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:55:36,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 10:55:36,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:36,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:36,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 10:55:36,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:36,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 10:55:36,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:55:36,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 10:55:36,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:36,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 10:55:36,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:55:36,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:36,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 10:55:36,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 10:55:36,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:36,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 10:55:36,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:55:36,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:36,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:55:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:55:36,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:55:36,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:55:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:36,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:36,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 10:55:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:36,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:36,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 10:55:36,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:36,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:36,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 10:55:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:36,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:36,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:36,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:36,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 10:55:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:36,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:36,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:36,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:36,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:36,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 10:55:36,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:36,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:36,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:36,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:36,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:36,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:55:37,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961631035] [2020-09-25 10:55:37,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:55:37,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 10:55:37,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570517200] [2020-09-25 10:55:37,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 10:55:37,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:55:37,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 10:55:37,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:55:37,013 INFO L87 Difference]: Start difference. First operand 578 states and 653 transitions. Second operand 11 states. [2020-09-25 10:55:37,545 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:38,527 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:55:38,829 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:55:39,148 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:55:39,483 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:55:39,781 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:55:41,318 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:41,619 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:55:41,958 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:42,283 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:55:42,584 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190