/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:30:36,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:30:36,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:30:37,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:30:37,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:30:37,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:30:37,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:30:37,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:30:37,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:30:37,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:30:37,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:30:37,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:30:37,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:30:37,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:30:37,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:30:37,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:30:37,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:30:37,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:30:37,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:30:37,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:30:37,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:30:37,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:30:37,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:30:37,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:30:37,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:30:37,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:30:37,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:30:37,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:30:37,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:30:37,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:30:37,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:30:37,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:30:37,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:30:37,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:30:37,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:30:37,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:30:37,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:30:37,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:30:37,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:30:37,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:30:37,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:30:37,104 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 06:30:37,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:30:37,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:30:37,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:30:37,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:30:37,131 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:30:37,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:30:37,132 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:30:37,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:30:37,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:30:37,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:30:37,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:30:37,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:30:37,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:30:37,133 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:30:37,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:30:37,134 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:30:37,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:30:37,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:30:37,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:30:37,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:30:37,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:30:37,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:30:37,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:30:37,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:30:37,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:30:37,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:30:37,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:30:37,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:30:37,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:30:37,136 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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:30:37,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:30:37,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:30:37,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:30:37,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:30:37,633 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:30:37,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-09-25 06:30:37,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b66255f26/54056d0a7a3847b3b083659ce517a936/FLAGd17d278e3 [2020-09-25 06:30:38,346 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:30:38,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-09-25 06:30:38,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b66255f26/54056d0a7a3847b3b083659ce517a936/FLAGd17d278e3 [2020-09-25 06:30:38,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b66255f26/54056d0a7a3847b3b083659ce517a936 [2020-09-25 06:30:38,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:30:38,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:30:38,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:30:38,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:30:38,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:30:38,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:30:38" (1/1) ... [2020-09-25 06:30:38,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:30:38, skipping insertion in model container [2020-09-25 06:30:38,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:30:38" (1/1) ... [2020-09-25 06:30:38,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:30:38,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:30:39,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:30:39,051 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:30:39,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:30:39,271 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:30:39,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:30:39 WrapperNode [2020-09-25 06:30:39,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:30:39,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:30:39,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:30:39,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:30:39,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:30:39" (1/1) ... [2020-09-25 06:30:39,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:30:39" (1/1) ... [2020-09-25 06:30:39,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:30:39" (1/1) ... [2020-09-25 06:30:39,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:30:39" (1/1) ... [2020-09-25 06:30:39,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:30:39" (1/1) ... [2020-09-25 06:30:39,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:30:39" (1/1) ... [2020-09-25 06:30:39,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:30:39" (1/1) ... [2020-09-25 06:30:39,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:30:39,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:30:39,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:30:39,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:30:39,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:30:39" (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 06:30:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:30:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:30:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:30:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:30:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:30:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:30:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:30:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:30:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:30:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 06:30:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:30:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:30:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:30:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:30:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:30:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:30:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:30:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:30:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:30:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:30:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:30:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 06:30:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:30:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:30:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:30:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:30:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:30:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:30:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 06:30:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:30:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:30:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:30:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:30:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:30:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:30:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:30:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:30:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:30:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:30:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:30:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:30:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:30:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:30:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:30:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:30:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:30:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:30:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:30:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:30:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 06:30:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:30:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:30:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:30:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:30:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:30:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:30:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:30:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:30:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:30:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:30:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:30:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:30:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:30:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:30:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:30:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:30:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:30:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:30:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:30:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:30:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:30:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 06:30:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 06:30:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:30:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:30:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:30:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:30:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:30:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:30:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:30:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:30:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:30:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:30:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:30:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:30:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:30:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:30:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:30:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:30:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:30:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:30:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:30:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:30:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:30:40,754 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:30:40,755 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:30:40,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:30:40 BoogieIcfgContainer [2020-09-25 06:30:40,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:30:40,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:30:40,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:30:40,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:30:40,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:30:38" (1/3) ... [2020-09-25 06:30:40,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b35f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:30:40, skipping insertion in model container [2020-09-25 06:30:40,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:30:39" (2/3) ... [2020-09-25 06:30:40,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b35f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:30:40, skipping insertion in model container [2020-09-25 06:30:40,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:30:40" (3/3) ... [2020-09-25 06:30:40,778 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-09-25 06:30:40,791 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:30:40,806 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:30:40,831 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:30:40,875 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:30:40,875 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:30:40,875 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:30:40,875 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:30:40,875 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:30:40,876 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:30:40,876 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:30:40,877 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:30:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-09-25 06:30:40,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 06:30:40,971 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:30:40,972 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 06:30:40,973 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:30:40,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:30:40,981 INFO L82 PathProgramCache]: Analyzing trace with hash -749536702, now seen corresponding path program 1 times [2020-09-25 06:30:40,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:30:40,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676811987] [2020-09-25 06:30:40,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:30:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:41,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:41,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:42,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:42,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:44,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:46,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:46,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 06:30:46,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:30:46,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 06:30:46,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:46,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 06:30:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:46,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-09-25 06:30:46,785 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:30:46,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:30:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:46,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:46,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:46,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:30:46,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:46,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 06:30:46,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:46,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:46,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:46,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:46,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:46,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:47,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:30:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:47,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:47,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:47,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:47,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:47,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:30:47,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:47,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:47,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:47,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:47,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:30:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:47,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:47,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:47,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:47,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:47,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:47,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:47,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:47,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:47,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:47,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:47,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:47,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:30:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:47,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:47,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:47,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:47,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:47,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:30:47,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:47,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:47,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:47,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:30:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:47,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:47,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:47,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:47,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:47,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:47,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:47,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:47,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:47,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:47,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:47,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:47,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:30:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:47,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:47,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:47,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:30:47,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:47,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:47,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:47,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:47,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:47,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:47,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:47,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:47,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:30:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:47,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:47,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:47,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:30:47,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:47,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:30:47,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:47,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:30:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:47,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:47,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:30:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:47,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:47,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:47,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:47,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:47,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 06:30:47,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:47,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:47,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:47,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:47,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:47,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:30:47,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 06:30:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:47,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:47,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:47,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:47,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:47,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:30:47,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:47,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:47,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:30:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:47,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:47,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:30:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:47,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:47,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:47,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:47,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:47,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:47,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:47,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:30:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:47,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 06:30:47,222 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 06:30:47,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676811987] [2020-09-25 06:30:47,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:30:47,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:30:47,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007747565] [2020-09-25 06:30:47,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:30:47,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:30:47,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:30:47,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:30:47,268 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 4 states. [2020-09-25 06:30:48,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:30:48,573 INFO L93 Difference]: Finished difference Result 495 states and 579 transitions. [2020-09-25 06:30:48,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 06:30:48,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 06:30:48,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:30:48,598 INFO L225 Difference]: With dead ends: 495 [2020-09-25 06:30:48,598 INFO L226 Difference]: Without dead ends: 312 [2020-09-25 06:30:48,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:30:48,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-25 06:30:48,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 268. [2020-09-25 06:30:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-09-25 06:30:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 291 transitions. [2020-09-25 06:30:48,725 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 291 transitions. Word has length 160 [2020-09-25 06:30:48,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:30:48,726 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 291 transitions. [2020-09-25 06:30:48,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:30:48,726 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 291 transitions. [2020-09-25 06:30:48,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:30:48,731 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:30:48,731 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] [2020-09-25 06:30:48,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:30:48,731 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:30:48,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:30:48,732 INFO L82 PathProgramCache]: Analyzing trace with hash 839621270, now seen corresponding path program 1 times [2020-09-25 06:30:48,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:30:48,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844083869] [2020-09-25 06:30:48,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:30:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:48,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:48,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:49,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:49,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:51,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:53,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:53,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 06:30:53,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:30:53,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 06:30:53,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:53,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:53,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:53,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 06:30:53,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 06:30:53,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:54,203 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:30:54,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:30:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:54,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:54,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:54,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:30:54,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:54,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-25 06:30:54,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:54,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:54,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:54,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 06:30:54,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:54,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:30:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:54,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:54,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:54,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:54,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:30:54,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:54,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:30:54,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:54,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:30:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:54,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:54,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:54,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:54,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:30:54,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:54,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:54,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:54,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:54,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:30:54,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:54,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:30:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:54,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:54,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:54,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:54,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:54,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:30:54,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:54,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:54,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:30:54,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:54,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:30:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:54,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:54,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:54,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:54,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:54,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:30:54,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:54,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:30:54,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:54,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:30:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:54,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:54,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:54,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:30:54,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:30:54,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:54,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:54,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:30:54,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:54,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:30:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:54,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:54,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:54,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:30:54,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:54,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:30:54,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:54,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:30:54,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:54,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:30:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:54,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:54,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:54,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:54,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:54,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:30:54,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:54,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:54,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 06:30:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:54,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:54,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:54,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:54,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:54,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:54,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:54,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:30:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:54,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:54,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:30:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:54,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:54,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:54,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:54,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:54,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:54,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:54,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:54,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:54,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:30:54,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:54,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:54,675 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 06:30:54,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844083869] [2020-09-25 06:30:54,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:30:54,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:30:54,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175694304] [2020-09-25 06:30:54,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:30:54,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:30:54,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:30:54,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:30:54,680 INFO L87 Difference]: Start difference. First operand 268 states and 291 transitions. Second operand 5 states. [2020-09-25 06:30:55,208 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:56,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:30:56,180 INFO L93 Difference]: Finished difference Result 465 states and 531 transitions. [2020-09-25 06:30:56,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:30:56,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 06:30:56,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:30:56,187 INFO L225 Difference]: With dead ends: 465 [2020-09-25 06:30:56,187 INFO L226 Difference]: Without dead ends: 312 [2020-09-25 06:30:56,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:30:56,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-25 06:30:56,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 268. [2020-09-25 06:30:56,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-09-25 06:30:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-09-25 06:30:56,232 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 161 [2020-09-25 06:30:56,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:30:56,233 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-09-25 06:30:56,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:30:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-09-25 06:30:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 06:30:56,237 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:30:56,237 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] [2020-09-25 06:30:56,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:30:56,237 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:30:56,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:30:56,238 INFO L82 PathProgramCache]: Analyzing trace with hash -443494427, now seen corresponding path program 1 times [2020-09-25 06:30:56,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:30:56,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662645105] [2020-09-25 06:30:56,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:30:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:56,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:56,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:56,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:58,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:58,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:58,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:00,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:01,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:01,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 06:31:01,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 06:31:01,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 06:31:01,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:01,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:01,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:31:01,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 06:31:01,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 06:31:01,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:01,688 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:31:01,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:01,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:01,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:01,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:31:01,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:01,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 06:31:01,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:01,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:01,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:01,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:01,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:01,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:01,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:31:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:01,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:01,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:01,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:01,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:01,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:01,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:01,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:01,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:31:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:01,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:01,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:01,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:01,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:01,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:01,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:01,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:01,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:01,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:31:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:01,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:01,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:01,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:01,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:01,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:31:01,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:01,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:01,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:01,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:01,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:31:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:01,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:01,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:01,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:01,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:01,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:01,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:01,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:01,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:01,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:31:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:01,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:01,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:01,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:01,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:01,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:01,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:01,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:01,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:01,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:01,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:01,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:01,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:31:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:01,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:01,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:01,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:31:01,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:01,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:01,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:01,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:01,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:01,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:01,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:01,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:01,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:01,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:01,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:01,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:01,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:01,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:01,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:01,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:01,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:31:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:01,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:01,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:01,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:01,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 06:31:01,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:31:01,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 06:31:01,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:01,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:01,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:31:01,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:31:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 06:31:01,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:01,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:02,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:02,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:02,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:31:02,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:02,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:31:02,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:02,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:31:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:31:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 06:31:02,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:02,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:02,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:02,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:02,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:02,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:02,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:02,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:31:02,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:02,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 06:31:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:02,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:02,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:02,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:02,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:02,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:02,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:02,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:02,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:02,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 06:31:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:02,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:02,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:02,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:02,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:02,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:02,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:02,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:02,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:02,108 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 06:31:02,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662645105] [2020-09-25 06:31:02,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:31:02,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 06:31:02,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090662358] [2020-09-25 06:31:02,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 06:31:02,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:31:02,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 06:31:02,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:31:02,111 INFO L87 Difference]: Start difference. First operand 268 states and 290 transitions. Second operand 7 states. [2020-09-25 06:31:02,855 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:31:04,762 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:31:05,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:31:05,896 INFO L93 Difference]: Finished difference Result 646 states and 771 transitions. [2020-09-25 06:31:05,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 06:31:05,897 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-25 06:31:05,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:31:05,902 INFO L225 Difference]: With dead ends: 646 [2020-09-25 06:31:05,902 INFO L226 Difference]: Without dead ends: 493 [2020-09-25 06:31:05,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-25 06:31:05,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-09-25 06:31:05,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 407. [2020-09-25 06:31:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-09-25 06:31:05,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 455 transitions. [2020-09-25 06:31:05,969 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 455 transitions. Word has length 183 [2020-09-25 06:31:05,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:31:05,970 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 455 transitions. [2020-09-25 06:31:05,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 06:31:05,970 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 455 transitions. [2020-09-25 06:31:05,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 06:31:05,973 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:31:05,974 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] [2020-09-25 06:31:05,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:31:05,974 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:31:05,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:31:05,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1600222007, now seen corresponding path program 1 times [2020-09-25 06:31:05,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:31:05,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653126048] [2020-09-25 06:31:05,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:31:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:06,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:06,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:06,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:07,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:10,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 06:31:11,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:31:11,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 06:31:11,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:31:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 06:31:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 06:31:11,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:11,382 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:31:11,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:31:11,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 06:31:11,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:11,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:11,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:31:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:11,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:11,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:11,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:11,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:31:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:11,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:11,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:11,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:31:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:11,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:31:11,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:11,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:11,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:31:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:11,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:11,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:31:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:11,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:11,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:11,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:11,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:31:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:31:11,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:11,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:11,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:11,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:11,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:11,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:11,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:11,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:11,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:31:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 06:31:11,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:31:11,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 06:31:11,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:11,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:31:11,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 06:31:11,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 06:31:11,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:31:11,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:31:11,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 06:31:11,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:11,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 06:31:11,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:31:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:31:11,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:31:11,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:11,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 06:31:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:11,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:11,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:31:11,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 06:31:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:11,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:11,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:11,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:31:11,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 06:31:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:11,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:11,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:11,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:11,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:11,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:31:11,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:11,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:11,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:31:11,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:11,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:31:11,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:11,920 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 06:31:11,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653126048] [2020-09-25 06:31:11,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:31:11,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:31:11,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491471684] [2020-09-25 06:31:11,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:31:11,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:31:11,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:31:11,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:31:11,924 INFO L87 Difference]: Start difference. First operand 407 states and 455 transitions. Second operand 10 states. [2020-09-25 06:31:12,428 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:31:13,358 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 06:31:13,980 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 06:31:15,246 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:31:15,578 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 06:31:15,989 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:31:16,559 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:31:16,873 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:31:17,169 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:31:18,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:31:18,110 INFO L93 Difference]: Finished difference Result 774 states and 914 transitions. [2020-09-25 06:31:18,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 06:31:18,111 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-25 06:31:18,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:31:18,116 INFO L225 Difference]: With dead ends: 774 [2020-09-25 06:31:18,116 INFO L226 Difference]: Without dead ends: 482 [2020-09-25 06:31:18,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-09-25 06:31:18,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-09-25 06:31:18,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 406. [2020-09-25 06:31:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-09-25 06:31:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 452 transitions. [2020-09-25 06:31:18,174 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 452 transitions. Word has length 207 [2020-09-25 06:31:18,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:31:18,175 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 452 transitions. [2020-09-25 06:31:18,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:31:18,175 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 452 transitions. [2020-09-25 06:31:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 06:31:18,178 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:31:18,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:31:18,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:31:18,179 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:31:18,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:31:18,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1457970825, now seen corresponding path program 1 times [2020-09-25 06:31:18,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:31:18,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648904943] [2020-09-25 06:31:18,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:31:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:18,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:18,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:19,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:19,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 06:31:19,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:31:19,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1762 [2020-09-25 06:31:19,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:19,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 06:31:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:31:19,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,316 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:31:20,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:31:20,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 06:31:20,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:20,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:31:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:20,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:20,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:31:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:20,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:20,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:20,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:31:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:20,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:20,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:20,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:31:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:20,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:20,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:31:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:20,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:20,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:31:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:31:20,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:20,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:31:20,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:20,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:20,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 06:31:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 06:31:20,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:31:20,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 06:31:20,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-25 06:31:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 06:31:20,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:31:20,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 06:31:20,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:31:20,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:31:20,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:31:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:31:20,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:31:20,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 06:31:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:20,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:20,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:20,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 06:31:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:20,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:20,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:20,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 06:31:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:20,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:20,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:20,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:20,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:20,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:20,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:20,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:20,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:20,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:20,777 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 06:31:20,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648904943] [2020-09-25 06:31:20,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:31:20,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 06:31:20,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647136419] [2020-09-25 06:31:20,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 06:31:20,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:31:20,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 06:31:20,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 06:31:20,780 INFO L87 Difference]: Start difference. First operand 406 states and 452 transitions. Second operand 6 states. [2020-09-25 06:31:21,504 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:31:22,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:31:22,636 INFO L93 Difference]: Finished difference Result 665 states and 748 transitions. [2020-09-25 06:31:22,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 06:31:22,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2020-09-25 06:31:22,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:31:22,642 INFO L225 Difference]: With dead ends: 665 [2020-09-25 06:31:22,642 INFO L226 Difference]: Without dead ends: 434 [2020-09-25 06:31:22,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:31:22,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-09-25 06:31:22,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 372. [2020-09-25 06:31:22,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-09-25 06:31:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 401 transitions. [2020-09-25 06:31:22,707 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 401 transitions. Word has length 199 [2020-09-25 06:31:22,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:31:22,707 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 401 transitions. [2020-09-25 06:31:22,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 06:31:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 401 transitions. [2020-09-25 06:31:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 06:31:22,712 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:31:22,713 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 06:31:22,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 06:31:22,713 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:31:22,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:31:22,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1505316662, now seen corresponding path program 1 times [2020-09-25 06:31:22,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:31:22,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924617627] [2020-09-25 06:31:22,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:31:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:22,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:23,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:23,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 06:31:23,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:23,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 741 [2020-09-25 06:31:23,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:23,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:31:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 06:31:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:31:23,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:23,819 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:31:23,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:23,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:23,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:23,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:31:23,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:23,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 06:31:23,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:23,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:23,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:31:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:23,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:23,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:23,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:23,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:23,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:23,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:23,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:23,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:23,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:23,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:23,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:23,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:31:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:23,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:23,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:23,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:23,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:23,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:23,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:23,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:23,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:23,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:23,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:23,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:23,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:31:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:23,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:23,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:23,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:23,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:23,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:23,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:23,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:23,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:23,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:31:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:23,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:23,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:23,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:23,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:23,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:23,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:23,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:23,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:23,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:31:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:23,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:23,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:23,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:23,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:23,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:23,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:23,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:23,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:23,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:31:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:23,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:23,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:23,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:31:23,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:23,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:23,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:23,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:23,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:23,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:23,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:23,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:23,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:23,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:23,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:23,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:23,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:23,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:23,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:23,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:23,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:31:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:24,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:24,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:24,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 06:31:24,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:24,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 06:31:24,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:24,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:24,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:31:24,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 06:31:24,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:31:24,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:24,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:24,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:24,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:24,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 06:31:24,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:24,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 06:31:24,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:24,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:31:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 06:31:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:31:24,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:24,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:24,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:24,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:24,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:31:24,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:24,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 06:31:24,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:24,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:31:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 06:31:24,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:24,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:31:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:24,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:24,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:24,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:31:24,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:24,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:31:24,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:24,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:24,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:24,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:24,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:24,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:24,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 06:31:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:24,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:24,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:24,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:24,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:24,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:24,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:24,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 06:31:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:24,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:24,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 06:31:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:24,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:24,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:24,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:24,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:24,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:24,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:24,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:24,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:24,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:24,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:24,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 06:31:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:24,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:24,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:24,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:24,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:24,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:24,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:24,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:24,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:24,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:24,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:24,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:24,327 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 06:31:24,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924617627] [2020-09-25 06:31:24,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:31:24,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:31:24,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075242321] [2020-09-25 06:31:24,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:31:24,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:31:24,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:31:24,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:31:24,330 INFO L87 Difference]: Start difference. First operand 372 states and 401 transitions. Second operand 10 states. [2020-09-25 06:31:25,793 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:31:26,100 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:31:26,419 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194