/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:55:56,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:55:56,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:55:56,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:55:56,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:55:56,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:55:56,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:55:56,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:55:56,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:55:56,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:55:56,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:55:56,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:55:56,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:55:56,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:55:56,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:55:56,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:55:56,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:55:56,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:55:56,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:55:56,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:55:56,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:55:56,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:55:56,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:55:56,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:55:56,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:55:56,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:55:56,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:55:56,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:55:56,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:55:56,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:55:56,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:55:56,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:55:56,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:55:56,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:55:56,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:55:56,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:55:56,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:55:56,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:55:56,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:55:56,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:55:56,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:55:56,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 09:55:56,848 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:55:56,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:55:56,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:55:56,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:55:56,851 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:55:56,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:55:56,852 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:55:56,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:55:56,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:55:56,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:55:56,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:55:56,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:55:56,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:55:56,854 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:55:56,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:55:56,855 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:55:56,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:55:56,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:55:56,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:55:56,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:55:56,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:55:56,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:55:56,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:55:56,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:55:56,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:55:56,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:55:56,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:55:56,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:55:56,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:55:56,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:55:57,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:55:57,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:55:57,351 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:55:57,352 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:55:57,353 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:55:57,354 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-09-25 09:55:57,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e976727b/5ec15dbf15e649fdbbe26d95919873da/FLAG46e753488 [2020-09-25 09:55:58,000 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:55:58,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-09-25 09:55:58,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e976727b/5ec15dbf15e649fdbbe26d95919873da/FLAG46e753488 [2020-09-25 09:55:58,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e976727b/5ec15dbf15e649fdbbe26d95919873da [2020-09-25 09:55:58,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:55:58,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:55:58,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:55:58,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:55:58,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:55:58,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:55:58" (1/1) ... [2020-09-25 09:55:58,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a9d3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:58, skipping insertion in model container [2020-09-25 09:55:58,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:55:58" (1/1) ... [2020-09-25 09:55:58,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:55:58,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:55:58,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:55:58,897 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:55:59,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:55:59,070 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:55:59,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:59 WrapperNode [2020-09-25 09:55:59,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:55:59,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:55:59,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:55:59,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:55:59,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:59" (1/1) ... [2020-09-25 09:55:59,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:59" (1/1) ... [2020-09-25 09:55:59,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:59" (1/1) ... [2020-09-25 09:55:59,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:59" (1/1) ... [2020-09-25 09:55:59,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:59" (1/1) ... [2020-09-25 09:55:59,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:59" (1/1) ... [2020-09-25 09:55:59,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:59" (1/1) ... [2020-09-25 09:55:59,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:55:59,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:55:59,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:55:59,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:55:59,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:55:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:55:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:55:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:55:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:55:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:55:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:55:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:55:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:55:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:55:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:55:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:55:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:55:59,282 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:55:59,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:55:59,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:55:59,283 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 09:55:59,283 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:55:59,283 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:55:59,284 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:55:59,284 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:55:59,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:55:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:55:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:55:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:55:59,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:55:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:55:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:55:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:55:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:55:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:55:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:55:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:55:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:55:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:55:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:55:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:55:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:55:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:55:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:55:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:55:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:55:59,291 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:55:59,291 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:55:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:55:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:55:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:55:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:55:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:55:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:55:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:55:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:55:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:55:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:55:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:55:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:55:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:55:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:55:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 09:55:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:55:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:55:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:55:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:55:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:55:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:55:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:55:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:55:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:55:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:55:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:55:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:55:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:55:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:55:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:55:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:55:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:55:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:55:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:55:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:55:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:55:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:55:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:55:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:55:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:55:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:55:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:55:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:55:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:55:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:55:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:55:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:55:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:55:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:55:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:55:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:55:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:55:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:55:59,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:55:59,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:55:59,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:55:59,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:56:00,466 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:56:00,467 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:56:00,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:56:00 BoogieIcfgContainer [2020-09-25 09:56:00,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:56:00,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:56:00,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:56:00,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:56:00,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:55:58" (1/3) ... [2020-09-25 09:56:00,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305fd29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:56:00, skipping insertion in model container [2020-09-25 09:56:00,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:59" (2/3) ... [2020-09-25 09:56:00,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305fd29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:56:00, skipping insertion in model container [2020-09-25 09:56:00,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:56:00" (3/3) ... [2020-09-25 09:56:00,484 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-09-25 09:56:00,495 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:56:00,507 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:56:00,527 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:56:00,560 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:56:00,560 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:56:00,561 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:56:00,561 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:56:00,561 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:56:00,561 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:56:00,561 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:56:00,562 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:56:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2020-09-25 09:56:00,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 09:56:00,611 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:00,613 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:00,613 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:00,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:00,622 INFO L82 PathProgramCache]: Analyzing trace with hash -68792430, now seen corresponding path program 1 times [2020-09-25 09:56:00,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:00,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1093693962] [2020-09-25 09:56:00,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:01,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:01,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:02,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:03,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:05,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:06,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:06,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 09:56:06,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:56:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 09:56:06,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:06,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:06,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:56:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 09:56:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 09:56:06,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:56:06,736 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:06,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:06,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:07,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:07,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:07,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:07,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 399 [2020-09-25 09:56:07,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:07,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:56:07,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:07,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:07,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:07,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:07,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:07,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:07,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:56:07,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:07,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:07,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:07,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:07,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:07,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:07,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:07,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:07,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:07,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:07,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:07,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:07,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:07,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:07,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:07,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:07,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:07,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:07,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:56:07,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:07,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:07,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:07,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:07,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:07,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:07,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:07,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:07,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:07,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:07,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:07,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:07,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:07,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:07,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:07,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:07,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:07,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:07,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:07,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:07,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:07,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:07,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:07,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:07,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:56:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:07,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:07,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:07,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:07,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:07,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:56:07,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:07,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:07,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:07,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:07,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:07,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:07,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:07,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:07,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:07,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:07,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:07,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:07,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:07,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:07,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:07,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 09:56:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:07,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:07,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:07,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:07,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:07,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:07,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:07,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:07,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:07,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:07,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:07,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:07,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 09:56:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:07,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:07,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:07,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:07,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:07,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:56:07,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:07,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:07,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:07,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:07,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:07,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 09:56:07,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1093693962] [2020-09-25 09:56:07,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:07,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:56:07,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177867085] [2020-09-25 09:56:07,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:56:07,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:07,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:56:07,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:56:07,637 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 9 states. [2020-09-25 09:56:08,380 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:09,413 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 09:56:09,953 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 09:56:11,339 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:11,676 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:56:12,041 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:12,536 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:12,870 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:13,178 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:14,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:14,360 INFO L93 Difference]: Finished difference Result 636 states and 774 transitions. [2020-09-25 09:56:14,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 09:56:14,362 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 09:56:14,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:14,385 INFO L225 Difference]: With dead ends: 636 [2020-09-25 09:56:14,386 INFO L226 Difference]: Without dead ends: 431 [2020-09-25 09:56:14,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-09-25 09:56:14,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-09-25 09:56:14,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 383. [2020-09-25 09:56:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-09-25 09:56:14,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 433 transitions. [2020-09-25 09:56:14,574 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 433 transitions. Word has length 160 [2020-09-25 09:56:14,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:14,575 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 433 transitions. [2020-09-25 09:56:14,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:56:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 433 transitions. [2020-09-25 09:56:14,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 09:56:14,581 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:14,582 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:14,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:56:14,582 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:14,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:14,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1577086917, now seen corresponding path program 1 times [2020-09-25 09:56:14,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:14,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693043938] [2020-09-25 09:56:14,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:14,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:15,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:15,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 09:56:15,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:15,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1051 [2020-09-25 09:56:15,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:15,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-09-25 09:56:15,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:15,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:16,097 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:16,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:16,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 09:56:16,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:16,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:16,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:16,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:16,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:16,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:16,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:16,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:16,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:16,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:56:16,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:16,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:16,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:16,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:16,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:16,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:16,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:16,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:56:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:16,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:16,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:16,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:16,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:56:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:16,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:16,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:16,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:16,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:16,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 09:56:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:56:16,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 09:56:16,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 09:56:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:16,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:56:16,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 09:56:16,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:16,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:56:16,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:16,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:16,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 09:56:16,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:16,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:16,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:56:16,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:16,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:56:16,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:16,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:16,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:16,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:56:16,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 09:56:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:16,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:16,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:16,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:16,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 09:56:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:16,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:16,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:16,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:16,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:16,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:56:16,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693043938] [2020-09-25 09:56:16,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:16,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 09:56:16,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587463063] [2020-09-25 09:56:16,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 09:56:16,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:16,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 09:56:16,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:56:16,819 INFO L87 Difference]: Start difference. First operand 383 states and 433 transitions. Second operand 11 states. [2020-09-25 09:56:18,570 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:18,913 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:56:19,258 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 09:56:19,597 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:19,987 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:56:20,319 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:21,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:21,493 INFO L93 Difference]: Finished difference Result 811 states and 1008 transitions. [2020-09-25 09:56:21,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 09:56:21,496 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-09-25 09:56:21,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:21,504 INFO L225 Difference]: With dead ends: 811 [2020-09-25 09:56:21,504 INFO L226 Difference]: Without dead ends: 543 [2020-09-25 09:56:21,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 09:56:21,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-09-25 09:56:21,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 389. [2020-09-25 09:56:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-25 09:56:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 439 transitions. [2020-09-25 09:56:21,577 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 439 transitions. Word has length 212 [2020-09-25 09:56:21,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:21,578 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 439 transitions. [2020-09-25 09:56:21,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 09:56:21,579 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 439 transitions. [2020-09-25 09:56:21,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 09:56:21,583 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:21,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:21,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:56:21,584 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:21,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:21,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1702291301, now seen corresponding path program 1 times [2020-09-25 09:56:21,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:21,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836491613] [2020-09-25 09:56:21,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:21,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:22,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:22,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 09:56:22,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:22,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 831 [2020-09-25 09:56:22,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:22,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:22,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:22,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-25 09:56:22,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:22,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:22,813 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:22,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:22,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:22,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:22,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:22,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:22,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 09:56:22,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:22,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:22,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:22,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:22,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:22,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:22,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:22,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:22,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:23,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:23,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:23,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:23,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:23,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:23,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:23,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:23,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:23,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:23,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:23,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:23,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:23,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:56:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:23,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:23,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:23,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:56:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:23,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:23,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:23,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:23,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:23,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 09:56:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:56:23,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 09:56:23,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:23,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:56:23,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:23,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:56:23,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 09:56:23,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:23,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:56:23,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:23,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:23,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 09:56:23,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:23,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:56:23,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:23,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:23,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:23,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:56:23,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:56:23,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:23,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:23,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:23,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:56:23,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:23,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 09:56:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:23,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:23,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:23,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 09:56:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:23,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:23,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:56:23,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836491613] [2020-09-25 09:56:23,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:23,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:56:23,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281335261] [2020-09-25 09:56:23,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:56:23,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:23,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:56:23,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:56:23,431 INFO L87 Difference]: Start difference. First operand 389 states and 439 transitions. Second operand 10 states. [2020-09-25 09:56:24,888 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:25,207 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:25,548 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:25,893 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:26,191 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:27,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:27,314 INFO L93 Difference]: Finished difference Result 828 states and 1051 transitions. [2020-09-25 09:56:27,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 09:56:27,319 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-09-25 09:56:27,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:27,329 INFO L225 Difference]: With dead ends: 828 [2020-09-25 09:56:27,329 INFO L226 Difference]: Without dead ends: 554 [2020-09-25 09:56:27,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:56:27,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2020-09-25 09:56:27,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 395. [2020-09-25 09:56:27,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-09-25 09:56:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 445 transitions. [2020-09-25 09:56:27,419 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 445 transitions. Word has length 212 [2020-09-25 09:56:27,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:27,420 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 445 transitions. [2020-09-25 09:56:27,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:56:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 445 transitions. [2020-09-25 09:56:27,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 09:56:27,423 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:27,424 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:27,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:56:27,424 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:27,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:27,425 INFO L82 PathProgramCache]: Analyzing trace with hash 2050120860, now seen corresponding path program 1 times [2020-09-25 09:56:27,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:27,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954792077] [2020-09-25 09:56:27,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:27,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:27,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:31,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:31,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 09:56:31,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:31,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3863 [2020-09-25 09:56:31,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:31,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:31,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:56:31,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 09:56:31,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-25 09:56:31,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:31,638 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:31,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:31,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:31,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:31,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:31,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 09:56:31,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:31,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:56:31,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:31,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:31,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:31,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:31,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:31,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:31,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:31,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:31,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:31,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:31,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:31,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:31,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:31,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:31,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:31,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:31,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:31,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:31,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:31,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:31,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:31,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:31,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:31,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:31,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:31,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:31,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:31,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:31,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:31,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:31,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:56:31,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:31,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:31,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:31,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:31,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:31,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:31,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:31,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:31,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:31,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:31,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:31,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:31,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:31,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:31,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:31,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:31,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:31,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:31,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:31,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:31,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:31,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:31,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:31,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:31,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:31,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:31,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:31,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:56:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:31,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:31,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:31,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:31,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:31,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:31,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:31,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:31,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:31,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:31,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:31,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:31,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:32,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:32,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:32,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:32,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:32,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:32,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:32,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:32,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:32,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:32,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:32,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:32,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:56:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:32,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:32,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:32,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:56:32,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:32,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 09:56:32,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:32,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:32,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:32,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 09:56:32,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 09:56:32,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:32,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:32,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:32,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:32,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:56:32,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:32,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 09:56:32,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:32,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:32,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:32,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:56:32,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:32,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:32,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:32,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:32,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:32,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 09:56:32,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:32,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:32,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:32,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:32,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:32,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:32,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:32,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:32,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:32,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:32,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:32,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:32,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:32,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:56:32,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:32,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:32,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:32,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:32,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:32,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:32,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:32,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:32,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:32,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:32,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:32,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:32,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:32,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 09:56:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:32,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:32,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:32,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:32,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:32,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:32,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:32,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:32,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:32,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:32,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 09:56:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:32,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:32,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:32,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:32,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:32,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:32,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:32,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:32,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:32,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:32,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:56:32,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954792077] [2020-09-25 09:56:32,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:32,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:56:32,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944696181] [2020-09-25 09:56:32,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:56:32,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:32,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:56:32,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:56:32,379 INFO L87 Difference]: Start difference. First operand 395 states and 445 transitions. Second operand 7 states. [2020-09-25 09:56:33,003 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:33,887 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:36,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:36,334 INFO L93 Difference]: Finished difference Result 1081 states and 1350 transitions. [2020-09-25 09:56:36,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 09:56:36,335 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-09-25 09:56:36,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:36,344 INFO L225 Difference]: With dead ends: 1081 [2020-09-25 09:56:36,344 INFO L226 Difference]: Without dead ends: 790 [2020-09-25 09:56:36,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-25 09:56:36,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-09-25 09:56:36,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 695. [2020-09-25 09:56:36,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-09-25 09:56:36,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 813 transitions. [2020-09-25 09:56:36,434 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 813 transitions. Word has length 199 [2020-09-25 09:56:36,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:36,435 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 813 transitions. [2020-09-25 09:56:36,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 09:56:36,435 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 813 transitions. [2020-09-25 09:56:36,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-09-25 09:56:36,440 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:36,440 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:36,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 09:56:36,441 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:36,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:36,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1164182381, now seen corresponding path program 1 times [2020-09-25 09:56:36,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:36,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789856808] [2020-09-25 09:56:36,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:36,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:36,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:36,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:36,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:38,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:38,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:40,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:41,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:41,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-09-25 09:56:41,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 09:56:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 09:56:41,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:41,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-25 09:56:41,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 09:56:41,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 265 [2020-09-25 09:56:41,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,000 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:42,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:42,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 09:56:42,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:56:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:42,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:42,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:42,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:42,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:42,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:42,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:42,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:56:42,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:42,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:42,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:42,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:42,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:42,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:42,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:42,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:42,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:42,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:56:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:56:42,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:56:42,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:42,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:56:42,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:42,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:42,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:56:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:42,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:42,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:42,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:42,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 09:56:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 09:56:42,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:42,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 09:56:42,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:56:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:56:42,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 09:56:42,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:42,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 09:56:42,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:42,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:42,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:42,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:42,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 09:56:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:56:42,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 09:56:42,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:56:42,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:42,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:42,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:42,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 09:56:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 09:56:43,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:43,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-09-25 09:56:43,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:56:43,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:56:43,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 09:56:43,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:43,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:56:43,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:43,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:43,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:43,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:43,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 09:56:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:56:43,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 09:56:43,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:56:43,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:43,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:43,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 09:56:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:43,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:43,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:43,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:43,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:43,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:43,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 09:56:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:56:43,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 09:56:43,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:43,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 09:56:43,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:56:43,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:56:43,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:43,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:56:43,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:43,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:43,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:43,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:43,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-25 09:56:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:43,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:56:43,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:43,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:43,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-09-25 09:56:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:43,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:43,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:43,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-09-25 09:56:43,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789856808] [2020-09-25 09:56:43,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:56:43,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-25 09:56:43,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628556698] [2020-09-25 09:56:43,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 09:56:43,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:43,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 09:56:43,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-09-25 09:56:43,599 INFO L87 Difference]: Start difference. First operand 695 states and 813 transitions. Second operand 16 states. [2020-09-25 09:56:44,179 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:45,151 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189