/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:02:19,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:02:19,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:02:19,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:02:19,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:02:19,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:02:19,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:02:19,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:02:19,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:02:19,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:02:19,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:02:19,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:02:19,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:02:19,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:02:19,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:02:19,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:02:19,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:02:19,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:02:19,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:02:19,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:02:19,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:02:19,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:02:19,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:02:19,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:02:19,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:02:19,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:02:19,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:02:19,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:02:19,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:02:19,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:02:19,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:02:19,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:02:19,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:02:19,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:02:19,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:02:19,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:02:19,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:02:19,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:02:19,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:02:19,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:02:19,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:02:19,366 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 11:02:19,403 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:02:19,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:02:19,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:02:19,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:02:19,407 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:02:19,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:02:19,408 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:02:19,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:02:19,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:02:19,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:02:19,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:02:19,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:02:19,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:02:19,410 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:02:19,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:02:19,411 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:02:19,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:02:19,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:02:19,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:02:19,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:02:19,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:02:19,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:02:19,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:02:19,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:02:19,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:02:19,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:02:19,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:02:19,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:02:19,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:02:19,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:02:19,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:02:19,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:02:19,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:02:19,925 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:02:19,925 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:02:19,927 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-09-25 11:02:20,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/462216144/313cff913f434df99f3f6b245121a140/FLAG1d107e8f2 [2020-09-25 11:02:20,629 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:02:20,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-09-25 11:02:20,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/462216144/313cff913f434df99f3f6b245121a140/FLAG1d107e8f2 [2020-09-25 11:02:20,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/462216144/313cff913f434df99f3f6b245121a140 [2020-09-25 11:02:20,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:02:20,934 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:02:20,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:02:20,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:02:20,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:02:20,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:02:20" (1/1) ... [2020-09-25 11:02:20,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559d5a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:20, skipping insertion in model container [2020-09-25 11:02:20,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:02:20" (1/1) ... [2020-09-25 11:02:20,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:02:21,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:02:21,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:02:21,501 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:02:21,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:02:21,624 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:02:21,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:21 WrapperNode [2020-09-25 11:02:21,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:02:21,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:02:21,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:02:21,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:02:21,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:21" (1/1) ... [2020-09-25 11:02:21,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:21" (1/1) ... [2020-09-25 11:02:21,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:21" (1/1) ... [2020-09-25 11:02:21,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:21" (1/1) ... [2020-09-25 11:02:21,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:21" (1/1) ... [2020-09-25 11:02:21,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:21" (1/1) ... [2020-09-25 11:02:21,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:21" (1/1) ... [2020-09-25 11:02:21,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:02:21,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:02:21,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:02:21,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:02:21,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:02:21,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:02:21,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:02:21,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:02:21,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:02:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:02:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:02:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:02:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:02:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:02:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:02:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:02:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:02:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:02:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:02:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:02:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:02:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:02:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:02:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:02:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:02:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:02:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:02:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:02:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:02:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:02:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:02:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:02:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:02:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:02:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:02:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:02:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:02:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:02:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:02:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:02:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:02:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:02:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:02:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:02:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:02:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:02:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:02:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:02:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:02:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:02:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:02:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:02:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:02:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:02:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:02:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:02:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:02:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:02:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:02:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:02:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:02:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:02:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:02:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:02:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:02:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:02:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:02:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:02:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:02:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:02:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:02:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:02:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:02:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:02:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:02:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:02:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:02:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:02:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:02:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:02:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:02:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:02:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:02:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:02:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:02:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:02:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:02:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:02:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:02:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:02:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:02:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:02:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:02:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:02:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:02:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:02:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:02:23,010 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:02:23,010 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:02:23,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:02:23 BoogieIcfgContainer [2020-09-25 11:02:23,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:02:23,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:02:23,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:02:23,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:02:23,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:02:20" (1/3) ... [2020-09-25 11:02:23,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161125fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:02:23, skipping insertion in model container [2020-09-25 11:02:23,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:21" (2/3) ... [2020-09-25 11:02:23,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161125fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:02:23, skipping insertion in model container [2020-09-25 11:02:23,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:02:23" (3/3) ... [2020-09-25 11:02:23,031 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-09-25 11:02:23,044 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:02:23,060 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:02:23,085 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:02:23,132 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:02:23,132 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:02:23,132 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:02:23,132 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:02:23,133 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:02:23,133 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:02:23,133 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:02:23,133 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:02:23,176 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-09-25 11:02:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 11:02:23,212 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:23,215 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 11:02:23,216 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:23,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:23,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1855283270, now seen corresponding path program 1 times [2020-09-25 11:02:23,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:23,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814049102] [2020-09-25 11:02:23,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:23,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:24,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:24,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:24,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:26,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:28,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:28,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 11:02:28,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:02:28,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 11:02:28,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:28,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:02:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:02:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-25 11:02:28,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:02:29,155 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:29,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:29,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:29,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:29,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:29,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:29,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-09-25 11:02:29,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:29,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:29,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:02:29,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:29,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:29,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:29,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:29,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:29,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:29,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:29,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:29,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:29,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:29,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:29,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:29,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:29,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:29,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:29,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:29,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 11:02:29,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:29,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:29,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:29,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:29,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:29,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:29,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:29,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:29,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:02:29,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:29,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:29,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:29,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:29,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:29,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:29,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:29,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:29,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:29,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:29,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:29,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:29,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:29,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:29,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:29,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:29,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:29,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:29,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:29,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:29,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:29,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:29,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:29,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:29,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:02:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:29,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:29,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:29,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:29,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:29,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:02:29,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:29,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:29,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:02:29,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:29,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:29,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:29,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:29,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:29,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:29,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:29,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:29,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:29,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:29,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:29,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:29,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 11:02:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:29,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:29,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:29,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:29,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:29,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:02:29,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:29,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:29,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:29,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:29,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 11:02:29,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:02:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:29,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:29,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:29,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:29,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:29,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 11:02:29,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:29,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:29,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:29,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:29,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 11:02:29,934 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 11:02:29,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814049102] [2020-09-25 11:02:29,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:29,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:02:29,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344487210] [2020-09-25 11:02:29,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:02:29,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:29,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:02:29,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:02:29,973 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 9 states. [2020-09-25 11:02:30,681 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:31,497 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:31,863 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:02:33,258 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:33,589 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:34,005 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:34,519 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:34,845 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:02:35,184 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:35,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:35,507 INFO L93 Difference]: Finished difference Result 538 states and 652 transitions. [2020-09-25 11:02:35,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:02:35,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 11:02:35,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:35,552 INFO L225 Difference]: With dead ends: 538 [2020-09-25 11:02:35,552 INFO L226 Difference]: Without dead ends: 371 [2020-09-25 11:02:35,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:02:35,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-09-25 11:02:35,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 325. [2020-09-25 11:02:35,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-09-25 11:02:35,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 364 transitions. [2020-09-25 11:02:35,718 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 364 transitions. Word has length 160 [2020-09-25 11:02:35,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:35,719 INFO L479 AbstractCegarLoop]: Abstraction has 325 states and 364 transitions. [2020-09-25 11:02:35,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:02:35,720 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 364 transitions. [2020-09-25 11:02:35,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 11:02:35,726 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:35,726 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:02:35,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:02:35,727 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:35,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:35,727 INFO L82 PathProgramCache]: Analyzing trace with hash -476521064, now seen corresponding path program 1 times [2020-09-25 11:02:35,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:35,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023047919] [2020-09-25 11:02:35,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:35,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:35,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:36,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:40,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:40,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-09-25 11:02:40,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:02:40,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 11:02:40,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:40,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:40,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:40,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 11:02:40,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 11:02:40,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,140 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:41,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:41,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 11:02:41,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:41,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 11:02:41,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:41,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:41,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:41,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:41,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:41,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:41,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:41,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:41,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:41,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:02:41,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:41,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:41,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:41,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:41,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:41,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:41,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:41,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:02:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 11:02:41,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 11:02:41,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:41,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 11:02:41,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 11:02:41,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:41,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:41,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:41,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:41,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:41,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:02:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:02:41,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:02:41,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 11:02:41,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:41,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:41,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:41,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 11:02:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:41,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:41,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:02:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:41,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:41,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:41,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 31 [2020-09-25 11:02:41,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 11:02:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:02:41,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:02:41,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 11:02:41,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:02:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:41,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:02:41,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 11:02:41,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 11:02:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:41,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:02:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:02:41,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:02:41,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:02:41,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:41,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:41,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:02:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:41,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:41,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:02:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:41,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 11:02:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:41,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:41,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:41,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:41,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:41,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:41,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 11:02:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:41,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:41,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:41,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:41,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:41,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:41,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:41,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:41,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:41,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 11:02:41,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023047919] [2020-09-25 11:02:41,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:41,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 11:02:41,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56044239] [2020-09-25 11:02:41,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 11:02:41,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:41,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 11:02:41,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-25 11:02:41,923 INFO L87 Difference]: Start difference. First operand 325 states and 364 transitions. Second operand 12 states. [2020-09-25 11:02:42,472 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:43,668 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:44,004 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 11:02:44,342 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:44,685 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:02:44,990 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:45,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:45,773 INFO L93 Difference]: Finished difference Result 633 states and 779 transitions. [2020-09-25 11:02:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 11:02:45,773 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 230 [2020-09-25 11:02:45,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:45,778 INFO L225 Difference]: With dead ends: 633 [2020-09-25 11:02:45,778 INFO L226 Difference]: Without dead ends: 423 [2020-09-25 11:02:45,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-09-25 11:02:45,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-09-25 11:02:45,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 334. [2020-09-25 11:02:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-09-25 11:02:45,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 374 transitions. [2020-09-25 11:02:45,836 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 374 transitions. Word has length 230 [2020-09-25 11:02:45,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:45,836 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 374 transitions. [2020-09-25 11:02:45,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 11:02:45,837 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 374 transitions. [2020-09-25 11:02:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-25 11:02:45,840 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:45,840 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] [2020-09-25 11:02:45,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:02:45,841 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:45,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:45,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1698458806, now seen corresponding path program 1 times [2020-09-25 11:02:45,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:45,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703910775] [2020-09-25 11:02:45,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:45,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:46,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 11:02:46,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:46,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 827 [2020-09-25 11:02:46,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:46,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:02:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-09-25 11:02:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:02:46,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:47,025 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:47,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:47,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 11:02:47,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:47,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:47,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:47,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:47,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:47,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:47,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:47,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:47,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:47,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:47,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:47,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:47,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:47,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:47,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:47,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:47,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:47,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:47,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:47,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:47,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:02:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:47,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:47,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:47,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:47,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:47,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:47,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:02:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:02:47,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 11:02:47,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:02:47,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 11:02:47,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:02:47,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:47,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:02:47,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 11:02:47,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:02:47,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:47,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:02:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:02:47,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:02:47,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:47,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:47,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:02:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:47,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:47,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:02:47,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:47,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 11:02:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:47,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:02:47,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:47,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:47,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 11:02:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:47,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:47,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:47,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:47,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:47,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:47,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:47,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:47,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:47,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:47,776 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 11:02:47,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703910775] [2020-09-25 11:02:47,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:47,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 11:02:47,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811377225] [2020-09-25 11:02:47,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:02:47,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:47,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:02:47,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:02:47,781 INFO L87 Difference]: Start difference. First operand 334 states and 374 transitions. Second operand 10 states. [2020-09-25 11:02:49,249 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:49,580 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:02:49,953 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 11:02:50,290 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:50,632 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 11:02:50,954 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:02:51,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:51,661 INFO L93 Difference]: Finished difference Result 636 states and 761 transitions. [2020-09-25 11:02:51,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 11:02:51,663 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2020-09-25 11:02:51,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:51,673 INFO L225 Difference]: With dead ends: 636 [2020-09-25 11:02:51,674 INFO L226 Difference]: Without dead ends: 417 [2020-09-25 11:02:51,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 11:02:51,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-09-25 11:02:51,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 342. [2020-09-25 11:02:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-09-25 11:02:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 382 transitions. [2020-09-25 11:02:51,753 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 382 transitions. Word has length 203 [2020-09-25 11:02:51,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:51,755 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 382 transitions. [2020-09-25 11:02:51,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:02:51,755 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 382 transitions. [2020-09-25 11:02:51,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-25 11:02:51,758 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:51,759 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] [2020-09-25 11:02:51,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:02:51,759 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:51,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:51,759 INFO L82 PathProgramCache]: Analyzing trace with hash -674408025, now seen corresponding path program 1 times [2020-09-25 11:02:51,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:51,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634285417] [2020-09-25 11:02:51,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:51,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 11:02:53,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1441 [2020-09-25 11:02:53,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 11:02:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:02:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-25 11:02:53,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,576 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:53,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:53,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-09-25 11:02:53,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:02:53,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:54,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:54,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:54,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:54,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:54,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:54,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:54,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:54,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:02:54,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:54,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:54,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:54,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:54,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:54,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:54,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:54,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:54,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:54,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:02:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:54,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:02:54,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:02:54,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:54,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:54,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:54,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:54,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:02:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:02:54,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 11:02:54,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:54,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 11:02:54,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 11:02:54,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:02:54,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 11:02:54,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:54,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:02:54,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:02:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:02:54,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:54,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:54,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:02:54,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:02:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:54,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:54,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:54,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:54,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 11:02:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:54,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:54,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:54,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:54,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 11:02:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:54,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:54,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,327 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 11:02:54,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634285417] [2020-09-25 11:02:54,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:54,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 11:02:54,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561265357] [2020-09-25 11:02:54,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 11:02:54,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:54,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 11:02:54,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:02:54,333 INFO L87 Difference]: Start difference. First operand 342 states and 382 transitions. Second operand 7 states. [2020-09-25 11:02:55,070 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:56,277 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:58,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:58,238 INFO L93 Difference]: Finished difference Result 1004 states and 1279 transitions. [2020-09-25 11:02:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 11:02:58,239 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-09-25 11:02:58,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:58,248 INFO L225 Difference]: With dead ends: 1004 [2020-09-25 11:02:58,248 INFO L226 Difference]: Without dead ends: 760 [2020-09-25 11:02:58,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-25 11:02:58,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-25 11:02:58,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 637. [2020-09-25 11:02:58,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-09-25 11:02:58,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 744 transitions. [2020-09-25 11:02:58,356 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 744 transitions. Word has length 203 [2020-09-25 11:02:58,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:58,357 INFO L479 AbstractCegarLoop]: Abstraction has 637 states and 744 transitions. [2020-09-25 11:02:58,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 11:02:58,357 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 744 transitions. [2020-09-25 11:02:58,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 11:02:58,361 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:58,362 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] [2020-09-25 11:02:58,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:02:58,362 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:58,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:58,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1071578610, now seen corresponding path program 1 times [2020-09-25 11:02:58,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:58,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134945589] [2020-09-25 11:02:58,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:58,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:58,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:03,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:03,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 11:03:03,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:03:03,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 11:03:03,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:03,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 11:03:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:03:03,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-09-25 11:03:03,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:03,865 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:03,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:03,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:04,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-25 11:03:04,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:03:04,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:04,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:04,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:04,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:04,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:04,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:04,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:04,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:04,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:04,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:03:04,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:04,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:04,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:04,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:04,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:04,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:04,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:04,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:04,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:03:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:03:04,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 11:03:04,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:04,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:03:04,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:04,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:03:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:04,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:03:04,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:03:04,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:04,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:04,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:03:04,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:04,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 11:03:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:03:04,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 11:03:04,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 11:03:04,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:04,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:03:04,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:04,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:04,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:04,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:04,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:04,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:04,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:04,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:04,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:04,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:04,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 11:03:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:04,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:03:04,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:04,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:04,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 11:03:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:04,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:04,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:04,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,540 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 11:03:04,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134945589] [2020-09-25 11:03:04,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:04,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 11:03:04,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503681783] [2020-09-25 11:03:04,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 11:03:04,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:04,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 11:03:04,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-25 11:03:04,543 INFO L87 Difference]: Start difference. First operand 637 states and 744 transitions. Second operand 13 states. [2020-09-25 11:03:05,145 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:06,081 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:07,562 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:07,903 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:08,275 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:08,606 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:08,943 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:09,286 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193