/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=LOWLEXORDER --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_spec1_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:17:14,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:17:14,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:17:14,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:17:14,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:17:14,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:17:14,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:17:14,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:17:14,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:17:14,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:17:14,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:17:14,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:17:14,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:17:14,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:17:14,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:17:14,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:17:14,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:17:14,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:17:14,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:17:14,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:17:14,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:17:14,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:17:14,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:17:14,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:17:14,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:17:14,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:17:14,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:17:14,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:17:14,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:17:14,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:17:14,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:17:14,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:17:14,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:17:14,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:17:14,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:17:14,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:17:14,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:17:14,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:17:14,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:17:14,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:17:14,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:17:14,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 21:17:14,333 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:17:14,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:17:14,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:17:14,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:17:14,336 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:17:14,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:17:14,337 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:17:14,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:17:14,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:17:14,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:17:14,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:17:14,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:17:14,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:17:14,339 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:17:14,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:17:14,340 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:17:14,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:17:14,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:17:14,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:17:14,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:17:14,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:17:14,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:17:14,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:17:14,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:17:14,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:17:14,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:17:14,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:17:14,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:17:14,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:17:14,342 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:17:14,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:17:14,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:17:14,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:17:14,832 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:17:14,834 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:17:14,839 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-24 21:17:14,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/460560864/f196e13575b24a8e968de907de2cc0ba/FLAG1801779dc [2020-09-24 21:17:15,510 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:17:15,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-24 21:17:15,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/460560864/f196e13575b24a8e968de907de2cc0ba/FLAG1801779dc [2020-09-24 21:17:15,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/460560864/f196e13575b24a8e968de907de2cc0ba [2020-09-24 21:17:15,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:17:15,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:17:15,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:17:15,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:17:15,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:17:15,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:17:15" (1/1) ... [2020-09-24 21:17:15,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:17:15, skipping insertion in model container [2020-09-24 21:17:15,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:17:15" (1/1) ... [2020-09-24 21:17:15,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:17:15,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:17:16,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:17:16,426 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:17:16,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:17:16,603 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:17:16,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:17:16 WrapperNode [2020-09-24 21:17:16,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:17:16,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:17:16,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:17:16,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:17:16,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:17:16" (1/1) ... [2020-09-24 21:17:16,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:17:16" (1/1) ... [2020-09-24 21:17:16,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:17:16" (1/1) ... [2020-09-24 21:17:16,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:17:16" (1/1) ... [2020-09-24 21:17:16,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:17:16" (1/1) ... [2020-09-24 21:17:16,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:17:16" (1/1) ... [2020-09-24 21:17:16,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:17:16" (1/1) ... [2020-09-24 21:17:16,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:17:16,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:17:16,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:17:16,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:17:16,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:17:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:17:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:17:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:17:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 21:17:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 21:17:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 21:17:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-24 21:17:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-24 21:17:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-24 21:17:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-24 21:17:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-24 21:17:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-24 21:17:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 21:17:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-24 21:17:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-24 21:17:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 21:17:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 21:17:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 21:17:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 21:17:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 21:17:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 21:17:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 21:17:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 21:17:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 21:17:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 21:17:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 21:17:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 21:17:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 21:17:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 21:17:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 21:17:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 21:17:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 21:17:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 21:17:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 21:17:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 21:17:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 21:17:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 21:17:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 21:17:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 21:17:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 21:17:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 21:17:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 21:17:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 21:17:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 21:17:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 21:17:16,855 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 21:17:16,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 21:17:16,857 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 21:17:16,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:17:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:17:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:17:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 21:17:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 21:17:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 21:17:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 21:17:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 21:17:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 21:17:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 21:17:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 21:17:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 21:17:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 21:17:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 21:17:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 21:17:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 21:17:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 21:17:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 21:17:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 21:17:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 21:17:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 21:17:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 21:17:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-24 21:17:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 21:17:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-24 21:17:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-24 21:17:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 21:17:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-24 21:17:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-24 21:17:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 21:17:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-24 21:17:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-24 21:17:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-24 21:17:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:17:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 21:17:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:17:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:17:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 21:17:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:17:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:17:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:17:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:17:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 21:17:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:17:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 21:17:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 21:17:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:17:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 21:17:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 21:17:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 21:17:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 21:17:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 21:17:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 21:17:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 21:17:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 21:17:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 21:17:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 21:17:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 21:17:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 21:17:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:17:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:17:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:17:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:17:18,085 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:17:18,086 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 21:17:18,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:17:18 BoogieIcfgContainer [2020-09-24 21:17:18,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:17:18,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:17:18,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:17:18,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:17:18,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:17:15" (1/3) ... [2020-09-24 21:17:18,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23947cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:17:18, skipping insertion in model container [2020-09-24 21:17:18,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:17:16" (2/3) ... [2020-09-24 21:17:18,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23947cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:17:18, skipping insertion in model container [2020-09-24 21:17:18,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:17:18" (3/3) ... [2020-09-24 21:17:18,105 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2020-09-24 21:17:18,118 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:17:18,130 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:17:18,155 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:17:18,192 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:17:18,192 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:17:18,192 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:17:18,193 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:17:18,193 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:17:18,193 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:17:18,193 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:17:18,193 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:17:18,228 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states. [2020-09-24 21:17:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-24 21:17:18,253 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:17:18,255 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:17:18,255 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:17:18,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:17:18,264 INFO L82 PathProgramCache]: Analyzing trace with hash -539985006, now seen corresponding path program 1 times [2020-09-24 21:17:18,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:17:18,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539573429] [2020-09-24 21:17:18,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:17:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:18,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:19,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:21,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:22,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:22,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:23,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:23,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 21:17:23,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 21:17:23,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-24 21:17:23,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 21:17:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-24 21:17:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-09-24 21:17:23,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 21:17:24,463 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 21:17:24,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:17:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:24,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:24,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:24,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 21:17:24,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:24,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-09-24 21:17:24,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 21:17:24,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:25,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 21:17:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:17:25,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:17:25,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:17:25,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:25,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 21:17:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 21:17:25,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 21:17:25,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:25,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 21:17:25,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:25,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:17:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:25,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:17:25,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:25,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:25,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:17:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:25,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:17:25,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:25,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:25,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:25,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 21:17:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:25,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:17:25,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:25,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:25,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:25,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 21:17:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:25,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:17:25,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:25,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:25,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:25,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 21:17:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:25,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:17:25,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:25,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:25,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:25,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 21:17:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:25,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:17:25,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:25,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:25,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 21:17:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:17:25,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:17:25,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:25,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:17:25,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:25,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 21:17:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:17:25,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:17:25,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:17:25,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:25,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 21:17:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:17:25,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:17:25,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:17:25,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:25,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 21:17:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:25,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:25,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:25,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:17:25,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:25,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:17:25,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:25,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:17:25,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:17:25,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 21:17:25,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539573429] [2020-09-24 21:17:25,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:17:25,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 21:17:25,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207746674] [2020-09-24 21:17:25,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 21:17:25,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:17:25,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 21:17:25,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 21:17:25,594 INFO L87 Difference]: Start difference. First operand 415 states. Second operand 10 states. [2020-09-24 21:17:26,545 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 21:17:28,933 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-09-24 21:17:29,642 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-09-24 21:17:30,123 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 21:17:30,547 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 21:17:30,911 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 21:17:31,951 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 21:17:32,330 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 21:17:32,789 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 21:17:36,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:17:36,281 INFO L93 Difference]: Finished difference Result 831 states and 1079 transitions. [2020-09-24 21:17:36,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 21:17:36,284 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2020-09-24 21:17:36,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:17:36,310 INFO L225 Difference]: With dead ends: 831 [2020-09-24 21:17:36,310 INFO L226 Difference]: Without dead ends: 573 [2020-09-24 21:17:36,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2020-09-24 21:17:36,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2020-09-24 21:17:36,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 513. [2020-09-24 21:17:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-09-24 21:17:36,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 607 transitions. [2020-09-24 21:17:36,472 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 607 transitions. Word has length 224 [2020-09-24 21:17:36,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:17:36,473 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 607 transitions. [2020-09-24 21:17:36,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 21:17:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 607 transitions. [2020-09-24 21:17:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-24 21:17:36,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:17:36,482 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:17:36,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:17:36,483 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:17:36,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:17:36,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1977584448, now seen corresponding path program 1 times [2020-09-24 21:17:36,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:17:36,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811211804] [2020-09-24 21:17:36,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:17:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:36,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:36,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:37,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:41,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:41,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-09-24 21:17:41,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:17:41,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-24 21:17:41,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 21:17:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-24 21:17:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-24 21:17:41,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:41,973 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 21:17:41,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:17:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:42,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 21:17:42,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:42,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-09-24 21:17:42,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 21:17:42,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:42,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 21:17:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:42,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:17:42,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:17:42,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:17:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:42,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 21:17:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:42,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 21:17:42,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:42,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 21:17:42,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:42,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:42,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:42,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 21:17:42,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:42,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:17:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:42,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:42,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:42,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:17:42,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:42,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:42,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:42,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:42,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:17:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:42,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:42,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:42,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:17:42,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:42,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:42,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:42,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:42,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:42,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 21:17:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:42,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:42,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:42,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:17:42,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:42,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:42,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:42,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:42,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:42,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 21:17:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:42,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:42,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:42,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:17:42,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:42,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:42,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 21:17:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:42,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:42,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:42,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:17:42,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:42,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:42,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 21:17:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:42,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:17:42,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:42,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:17:42,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:42,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:42,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 21:17:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:42,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:17:42,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:42,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:17:42,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:42,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:42,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:42,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:17:42,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:42,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 21:17:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:42,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:17:42,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:42,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:17:42,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:42,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:42,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:42,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:17:42,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:42,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 21:17:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:42,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:42,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:43,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:43,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 21:17:43,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:17:43,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 596 [2020-09-24 21:17:43,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:43,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 21:17:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 21:17:43,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:43,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:17:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:43,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:43,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:43,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:43,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:43,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 21:17:43,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:17:43,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 876 [2020-09-24 21:17:43,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:43,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 21:17:44,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:44,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:17:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:44,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:44,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:44,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:44,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:44,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 21:17:44,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:17:44,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 776 [2020-09-24 21:17:44,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:44,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:44,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:44,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 21:17:44,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:44,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:17:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:44,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:44,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:44,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:45,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:45,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 21:17:45,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:17:45,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 689 [2020-09-24 21:17:45,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:45,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:45,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:45,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 21:17:45,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:45,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:17:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:45,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:45,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:45,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:45,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 21:17:45,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:17:45,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 21:17:45,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:17:45,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:45,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:17:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:45,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:45,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:45,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:17:45,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:45,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:17:45,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 21:17:45,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:45,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 21:17:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:45,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:45,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:45,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 21:17:45,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:45,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:17:45,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:17:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 21:17:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:45,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:17:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:45,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:45,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:45,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:17:45,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:45,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:17:45,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:45,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:45,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:17:45,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:45,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:17:45,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 21:17:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:45,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:45,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:45,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:17:45,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:45,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:17:45,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:45,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:45,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:17:45,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:45,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-24 21:17:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:45,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:45,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:45,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:17:45,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:17:45,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:17:45,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:17:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:17:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:17:45,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:17:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 21:17:45,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811211804] [2020-09-24 21:17:45,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:17:45,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:17:45,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464626080] [2020-09-24 21:17:45,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:17:45,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:17:45,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:17:45,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:17:45,821 INFO L87 Difference]: Start difference. First operand 513 states and 607 transitions. Second operand 8 states. [2020-09-24 21:17:46,548 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 21:17:47,899 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 21:17:54,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:17:54,455 INFO L93 Difference]: Finished difference Result 1552 states and 2108 transitions. [2020-09-24 21:17:54,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 21:17:54,456 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 284 [2020-09-24 21:17:54,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:17:54,470 INFO L225 Difference]: With dead ends: 1552 [2020-09-24 21:17:54,470 INFO L226 Difference]: Without dead ends: 1191 [2020-09-24 21:17:54,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-09-24 21:17:54,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2020-09-24 21:17:54,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1060. [2020-09-24 21:17:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2020-09-24 21:17:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1343 transitions. [2020-09-24 21:17:54,676 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1343 transitions. Word has length 284 [2020-09-24 21:17:54,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:17:54,677 INFO L479 AbstractCegarLoop]: Abstraction has 1060 states and 1343 transitions. [2020-09-24 21:17:54,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:17:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1343 transitions. [2020-09-24 21:17:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-24 21:17:54,685 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:17:54,685 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:17:54,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:17:54,686 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:17:54,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:17:54,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1671618703, now seen corresponding path program 1 times [2020-09-24 21:17:54,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:17:54,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786253971] [2020-09-24 21:17:54,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:17:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:17:54,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:54,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:56,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:17:59,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:17:59,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-09-24 21:17:59,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:17:59,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-09-24 21:17:59,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:17:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 21:17:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-24 21:17:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-09-24 21:17:59,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:18:00,233 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 21:18:00,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:18:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:00,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:00,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 21:18:00,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:00,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-24 21:18:00,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:00,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:18:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 21:18:00,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 21:18:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:00,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:00,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:18:00,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:00,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:18:00,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:00,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:18:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:18:00,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:00,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 21:18:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:00,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:00,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 21:18:00,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:00,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 21:18:00,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:18:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 21:18:00,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:00,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:18:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:00,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:00,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:18:00,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:00,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:18:00,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:00,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:18:00,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:18:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:00,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:00,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:18:00,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:18:00,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:00,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:18:00,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 21:18:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:00,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:00,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:18:00,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:00,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:18:00,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:00,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:00,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:00,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:00,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:00,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 21:18:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:00,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:00,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:18:00,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:00,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:18:00,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:00,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:00,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:00,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:00,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:00,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 21:18:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:00,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:00,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:18:00,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:18:00,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:00,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 21:18:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:00,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:00,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:18:00,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:18:00,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:00,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 21:18:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:00,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:00,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:18:00,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:00,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:18:00,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:18:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:18:00,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:00,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 21:18:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:00,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:00,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:18:00,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:00,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:18:00,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:00,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:18:00,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:00,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:18:00,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:00,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 21:18:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:00,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:01,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 21:18:01,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:18:01,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-24 21:18:01,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:01,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:18:01,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:01,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 21:18:01,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:01,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:18:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:01,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:01,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 21:18:01,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:18:01,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 21:18:01,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:01,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:01,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:18:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:01,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:01,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 21:18:01,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:18:01,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-24 21:18:01,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:01,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:01,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:01,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:01,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:01,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:18:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:01,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:01,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 21:18:01,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:18:01,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-24 21:18:01,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:01,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:01,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:01,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:18:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:01,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:01,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 21:18:01,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:01,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:18:01,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:01,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:18:01,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:18:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:01,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:01,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:18:01,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:18:01,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:01,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:18:01,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 21:18:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:01,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:01,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 21:18:01,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:18:01,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:01,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:18:01,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:18:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:01,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:01,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:18:01,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:01,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:18:01,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:01,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:18:01,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-09-24 21:18:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:01,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:01,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:18:01,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:01,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:18:01,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:01,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:18:01,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:18:01,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:18:01,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:18:01,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 21:18:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:18:01,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:18:01,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:18:01,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:18:01,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:18:01,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:18:01,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:18:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:18:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:18:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:18:01,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:18:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 21:18:01,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786253971] [2020-09-24 21:18:01,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:18:01,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 21:18:01,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551438607] [2020-09-24 21:18:01,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 21:18:01,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:18:01,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 21:18:01,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 21:18:01,630 INFO L87 Difference]: Start difference. First operand 1060 states and 1343 transitions. Second operand 11 states. [2020-09-24 21:18:02,305 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 21:18:03,720 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 21:18:04,148 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 21:18:04,642 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 21:18:05,085 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 21:18:05,493 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 212