/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_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:52:19,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:52:19,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:52:19,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:52:19,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:52:19,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:52:19,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:52:19,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:52:19,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:52:19,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:52:19,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:52:19,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:52:19,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:52:19,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:52:19,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:52:19,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:52:19,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:52:19,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:52:19,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:52:19,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:52:19,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:52:19,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:52:19,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:52:19,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:52:19,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:52:19,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:52:19,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:52:19,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:52:19,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:52:19,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:52:19,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:52:19,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:52:19,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:52:19,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:52:19,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:52:19,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:52:19,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:52:19,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:52:19,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:52:19,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:52:19,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:52:19,420 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 10:52:19,463 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:52:19,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:52:19,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:52:19,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:52:19,470 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:52:19,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:52:19,470 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:52:19,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:52:19,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:52:19,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:52:19,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:52:19,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:52:19,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:52:19,472 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:52:19,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:52:19,472 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:52:19,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:52:19,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:52:19,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:52:19,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:52:19,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:52:19,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:52:19,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:52:19,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:52:19,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:52:19,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:52:19,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:52:19,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:52:19,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:52:19,477 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 10:52:19,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:52:19,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:52:19,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:52:19,977 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:52:19,979 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:52:19,980 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2020-09-25 10:52:20,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef787763f/f4eb2b8a68f34ba69dff7288d36d2f10/FLAG7d39e3d86 [2020-09-25 10:52:20,716 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:52:20,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2020-09-25 10:52:20,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef787763f/f4eb2b8a68f34ba69dff7288d36d2f10/FLAG7d39e3d86 [2020-09-25 10:52:21,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef787763f/f4eb2b8a68f34ba69dff7288d36d2f10 [2020-09-25 10:52:21,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:52:21,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:52:21,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:52:21,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:52:21,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:52:21,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:52:21" (1/1) ... [2020-09-25 10:52:21,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bdfc9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:21, skipping insertion in model container [2020-09-25 10:52:21,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:52:21" (1/1) ... [2020-09-25 10:52:21,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:52:21,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:52:21,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:52:21,600 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:52:21,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:52:21,729 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:52:21,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:21 WrapperNode [2020-09-25 10:52:21,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:52:21,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:52:21,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:52:21,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:52:21,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:21" (1/1) ... [2020-09-25 10:52:21,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:21" (1/1) ... [2020-09-25 10:52:21,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:21" (1/1) ... [2020-09-25 10:52:21,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:21" (1/1) ... [2020-09-25 10:52:21,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:21" (1/1) ... [2020-09-25 10:52:21,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:21" (1/1) ... [2020-09-25 10:52:21,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:21" (1/1) ... [2020-09-25 10:52:21,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:52:21,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:52:21,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:52:21,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:52:21,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:21" (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 10:52:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:52:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:52:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:52:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:52:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:52:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:52:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:52:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:52:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:52:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 10:52:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:52:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:52:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:52:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:52:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:52:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:52:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 10:52:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:52:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:52:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:52:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:52:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:52:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:52:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:52:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:52:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:52:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:52:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:52:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:52:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:52:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:52:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:52:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:52:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:52:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:52:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:52:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:52:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:52:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:52:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:52:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:52:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:52:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:52:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:52:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:52:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:52:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 10:52:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:52:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:52:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:52:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:52:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:52:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:52:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:52:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:52:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:52:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:52:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:52:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:52:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 10:52:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:52:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:52:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:52:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:52:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:52:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:52:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:52:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:52:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:52:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:52:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:52:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:52:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:52:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:52:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:52:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:52:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:52:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:52:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:52:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:52:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:52:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:52:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:52:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:52:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:52:23,127 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:52:23,127 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:52:23,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:52:23 BoogieIcfgContainer [2020-09-25 10:52:23,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:52:23,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:52:23,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:52:23,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:52:23,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:52:21" (1/3) ... [2020-09-25 10:52:23,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eda66cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:52:23, skipping insertion in model container [2020-09-25 10:52:23,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:21" (2/3) ... [2020-09-25 10:52:23,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eda66cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:52:23, skipping insertion in model container [2020-09-25 10:52:23,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:52:23" (3/3) ... [2020-09-25 10:52:23,145 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2020-09-25 10:52:23,157 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:52:23,169 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:52:23,194 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:52:23,229 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:52:23,229 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:52:23,229 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:52:23,230 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:52:23,230 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:52:23,230 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:52:23,230 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:52:23,230 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:52:23,259 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states. [2020-09-25 10:52:23,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 10:52:23,276 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:52:23,277 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 10:52:23,278 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:52:23,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:52:23,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1462627666, now seen corresponding path program 1 times [2020-09-25 10:52:23,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:52:23,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038415711] [2020-09-25 10:52:23,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:52:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:23,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:24,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:25,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:26,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:27,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:28,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:28,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 10:52:28,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:52:28,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 10:52:28,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:28,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:28,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:52:28,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 10:52:28,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 10:52:28,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 10:52:29,260 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:52:29,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:52:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:29,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:29,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:29,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:52:29,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:29,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-09-25 10:52:29,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:29,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:29,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 10:52:29,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:52:29,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:52:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:29,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:29,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:29,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:29,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 10:52:29,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:29,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:29,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:29,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:52:29,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:52:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:29,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:29,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:29,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:29,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:29,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:52:29,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:29,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:29,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:52:29,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:52:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:29,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:29,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:29,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:29,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:29,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:52:29,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:29,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:52:29,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:52:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:29,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:29,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:29,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:29,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:29,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:52:29,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:29,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:52:30,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:52:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:30,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:30,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:30,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:52:30,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:52:30,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:30,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:30,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:30,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:30,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:52:30,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:52:30,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:52:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:30,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:30,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:30,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:30,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:30,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:30,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:30,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:30,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:52:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:30,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:30,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 10:52:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:30,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:30,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:30,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:30,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:30,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:30,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:30,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:52:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:30,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:30,161 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 10:52:30,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038415711] [2020-09-25 10:52:30,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:52:30,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:52:30,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6495616] [2020-09-25 10:52:30,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:52:30,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:52:30,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:52:30,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:52:30,209 INFO L87 Difference]: Start difference. First operand 277 states. Second operand 5 states. [2020-09-25 10:52:31,047 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:52:32,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:52:32,040 INFO L93 Difference]: Finished difference Result 414 states and 494 transitions. [2020-09-25 10:52:32,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:52:32,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 10:52:32,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:52:32,076 INFO L225 Difference]: With dead ends: 414 [2020-09-25 10:52:32,077 INFO L226 Difference]: Without dead ends: 273 [2020-09-25 10:52:32,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:52:32,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-25 10:52:32,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 226. [2020-09-25 10:52:32,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-09-25 10:52:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 243 transitions. [2020-09-25 10:52:32,271 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 243 transitions. Word has length 148 [2020-09-25 10:52:32,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:52:32,274 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 243 transitions. [2020-09-25 10:52:32,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:52:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 243 transitions. [2020-09-25 10:52:32,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 10:52:32,290 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:52:32,291 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] [2020-09-25 10:52:32,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:52:32,292 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:52:32,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:52:32,293 INFO L82 PathProgramCache]: Analyzing trace with hash 686790261, now seen corresponding path program 1 times [2020-09-25 10:52:32,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:52:32,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340693446] [2020-09-25 10:52:32,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:52:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:32,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:32,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:33,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:33,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:34,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:37,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:37,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:37,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:52:37,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 10:52:37,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 10:52:37,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:37,735 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:52:37,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:52:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:37,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:38,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:38,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:52:38,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:38,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-25 10:52:38,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:38,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:38,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:38,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:38,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 10:52:38,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:38,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:52:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:38,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:38,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:38,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:38,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:38,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:38,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:38,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:38,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:52:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:38,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:38,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:38,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:38,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:38,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:38,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:38,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:38,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:38,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:52:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:38,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:38,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:38,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:38,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:38,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:52:38,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:38,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:38,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:38,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:38,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:38,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:38,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:52:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:38,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:38,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:38,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:38,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:38,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:38,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:38,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:38,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:38,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:38,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:52:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:38,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:38,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:38,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:52:38,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:38,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:38,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:38,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:38,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:38,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:38,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:52:38,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:38,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 10:52:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:38,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:38,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:38,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:52:38,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:38,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:52:38,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:38,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:38,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:38,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:38,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 10:52:38,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:38,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:52:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:38,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:38,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:38,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:38,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:38,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:38,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:38,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:38,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:38,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:38,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 10:52:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:38,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:38,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:38,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:38,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:38,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:52:38,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:38,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:38,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:52:38,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 10:52:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:38,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:38,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:38,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:38,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:38,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:38,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:38,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:52:38,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:38,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:38,259 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 10:52:38,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340693446] [2020-09-25 10:52:38,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:52:38,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 10:52:38,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082950512] [2020-09-25 10:52:38,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 10:52:38,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:52:38,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 10:52:38,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:52:38,263 INFO L87 Difference]: Start difference. First operand 226 states and 243 transitions. Second operand 10 states. [2020-09-25 10:52:38,837 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:52:39,889 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:52:40,263 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:52:41,073 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:52:41,406 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:52:41,995 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:52:42,369 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 10:52:42,727 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 10:52:43,345 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:52:44,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:52:44,063 INFO L93 Difference]: Finished difference Result 562 states and 691 transitions. [2020-09-25 10:52:44,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 10:52:44,064 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-09-25 10:52:44,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:52:44,070 INFO L225 Difference]: With dead ends: 562 [2020-09-25 10:52:44,070 INFO L226 Difference]: Without dead ends: 433 [2020-09-25 10:52:44,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 10:52:44,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-09-25 10:52:44,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 309. [2020-09-25 10:52:44,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-09-25 10:52:44,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 338 transitions. [2020-09-25 10:52:44,157 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 338 transitions. Word has length 157 [2020-09-25 10:52:44,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:52:44,158 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 338 transitions. [2020-09-25 10:52:44,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 10:52:44,159 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 338 transitions. [2020-09-25 10:52:44,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-25 10:52:44,161 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:52:44,161 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] [2020-09-25 10:52:44,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:52:44,162 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:52:44,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:52:44,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1825214993, now seen corresponding path program 1 times [2020-09-25 10:52:44,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:52:44,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596157368] [2020-09-25 10:52:44,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:52:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:44,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:44,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:45,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:46,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:49,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:49,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-09-25 10:52:49,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:52:49,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 10:52:49,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:49,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:49,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 10:52:49,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 10:52:49,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-25 10:52:49,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:52:49,644 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:52:49,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:52:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:49,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:49,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:49,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:52:49,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:49,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-09-25 10:52:49,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:49,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:49,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:49,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:49,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 10:52:49,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:52:49,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:52:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:49,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:49,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:49,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:49,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:49,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:49,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:49,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:49,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:49,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:49,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:49,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:49,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:52:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:49,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:49,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:49,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:49,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:49,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:49,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:49,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:49,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:49,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:52:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:49,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:49,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:49,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:49,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:49,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:52:49,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:49,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:49,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:49,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:49,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:49,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:52:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:49,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:49,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:49,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:49,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:49,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:49,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:49,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:49,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:50,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:52:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:50,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:50,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:50,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:52:50,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:50,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:50,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:50,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:50,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:52:50,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:50,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:52:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:50,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:50,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:50,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:52:50,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:50,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:52:50,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:50,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:52:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:50,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 10:52:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:50,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:50,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:50,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:52:50,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:50,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:52:50,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:50,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:52:50,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 10:52:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:50,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:50,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:50,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:50,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:52:50,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:52:50,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:52:50,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:50,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:52:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:52:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 10:52:50,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:50,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:52:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:50,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:50,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:50,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:50,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:50,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:50,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:50,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:50,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:50,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 10:52:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:50,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:50,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:50,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:50,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:50,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:50,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:50,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:50,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 10:52:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:50,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:50,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:50,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:50,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:50,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:52:50,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:50,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:52:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:50,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:50,244 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 10:52:50,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596157368] [2020-09-25 10:52:50,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:52:50,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 10:52:50,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884769500] [2020-09-25 10:52:50,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 10:52:50,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:52:50,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 10:52:50,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 10:52:50,247 INFO L87 Difference]: Start difference. First operand 309 states and 338 transitions. Second operand 12 states. [2020-09-25 10:52:50,855 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:52:52,254 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:52:52,592 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:52:53,027 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:52:53,400 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 10:52:53,730 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 10:52:54,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:52:54,190 INFO L93 Difference]: Finished difference Result 596 states and 721 transitions. [2020-09-25 10:52:54,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 10:52:54,191 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 175 [2020-09-25 10:52:54,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:52:54,193 INFO L225 Difference]: With dead ends: 596 [2020-09-25 10:52:54,193 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 10:52:54,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=269, Invalid=661, Unknown=0, NotChecked=0, Total=930 [2020-09-25 10:52:54,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 10:52:54,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 10:52:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 10:52:54,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 10:52:54,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-09-25 10:52:54,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:52:54,199 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 10:52:54,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 10:52:54,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 10:52:54,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 10:52:54,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:52:54,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 10:52:54,417 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:52:54,614 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:52:54,818 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:52:55,165 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 10:52:55,563 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-25 10:52:55,857 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 10:52:56,221 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-25 10:52:56,581 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-25 10:52:56,935 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-25 10:52:57,380 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-25 10:52:57,723 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-25 10:52:58,186 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 10:52:58,457 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 10:52:58,817 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-25 10:52:59,089 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 10:52:59,364 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 10:52:59,522 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:52:59,681 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:52:59,842 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:00,000 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:00,157 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:00,425 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 10 [2020-09-25 10:53:00,601 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:00,767 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:00,935 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:01,105 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:01,272 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:01,445 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:01,612 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:01,779 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:01,947 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:02,114 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:02,273 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:02,431 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:02,598 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:02,765 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:02,910 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:53:03,067 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:03,235 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:03,392 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:03,559 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:03,726 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:03,893 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:04,050 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:04,217 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:04,385 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:04,542 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:04,703 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:04,860 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:05,017 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:05,184 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:05,342 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:05,499 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:05,669 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:05,826 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:05,995 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:06,162 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:06,329 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:06,486 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:06,654 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:06,812 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:06,978 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:07,146 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:07,312 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:07,568 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 10 [2020-09-25 10:53:07,839 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 10 [2020-09-25 10:53:08,018 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:08,185 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:08,342 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:08,509 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:08,677 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:08,833 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:09,000 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:09,167 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:09,430 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 10:53:09,713 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 10:53:09,975 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 10:53:10,257 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 10:53:10,539 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 10:53:10,825 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 10:53:11,204 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 10:53:11,502 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 10:53:11,952 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 10:53:12,214 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 10:53:12,496 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 10:53:12,759 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 10:53:13,020 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 10:53:13,276 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 10 [2020-09-25 10:53:13,445 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:13,700 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 15 [2020-09-25 10:53:13,867 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:14,037 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:14,195 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:14,361 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:14,519 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:14,691 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194