/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=1.0 --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_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:49:36,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:49:36,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:49:36,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:49:36,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:49:36,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:49:36,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:49:36,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:49:36,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:49:36,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:49:36,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:49:36,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:49:36,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:49:36,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:49:36,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:49:36,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:49:36,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:49:36,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:49:36,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:49:37,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:49:37,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:49:37,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:49:37,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:49:37,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:49:37,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:49:37,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:49:37,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:49:37,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:49:37,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:49:37,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:49:37,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:49:37,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:49:37,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:49:37,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:49:37,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:49:37,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:49:37,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:49:37,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:49:37,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:49:37,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:49:37,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:49:37,021 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 08:49:37,047 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:49:37,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:49:37,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:49:37,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:49:37,049 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:49:37,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:49:37,050 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:49:37,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:49:37,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:49:37,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:49:37,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:49:37,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:49:37,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:49:37,051 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:49:37,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:49:37,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:49:37,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:49:37,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:49:37,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:49:37,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:49:37,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:49:37,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:49:37,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:49:37,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:49:37,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:49:37,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:49:37,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:49:37,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:49:37,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:49:37,055 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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;log-additional-information=true; [2020-09-25 08:49:37,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:49:37,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:49:37,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:49:37,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:49:37,550 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:49:37,551 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-09-25 08:49:37,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78b3759d5/c5f4ea7eb7bf42a69a14fbaee10398fd/FLAG90c6afe14 [2020-09-25 08:49:38,259 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:49:38,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-09-25 08:49:38,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78b3759d5/c5f4ea7eb7bf42a69a14fbaee10398fd/FLAG90c6afe14 [2020-09-25 08:49:38,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78b3759d5/c5f4ea7eb7bf42a69a14fbaee10398fd [2020-09-25 08:49:38,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:49:38,571 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:49:38,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:49:38,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:49:38,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:49:38,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:49:38" (1/1) ... [2020-09-25 08:49:38,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4700e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:38, skipping insertion in model container [2020-09-25 08:49:38,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:49:38" (1/1) ... [2020-09-25 08:49:38,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:49:38,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:49:39,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:49:39,237 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:49:39,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:49:39,423 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:49:39,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:39 WrapperNode [2020-09-25 08:49:39,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:49:39,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:49:39,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:49:39,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:49:39,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:39" (1/1) ... [2020-09-25 08:49:39,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:39" (1/1) ... [2020-09-25 08:49:39,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:39" (1/1) ... [2020-09-25 08:49:39,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:39" (1/1) ... [2020-09-25 08:49:39,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:39" (1/1) ... [2020-09-25 08:49:39,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:39" (1/1) ... [2020-09-25 08:49:39,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:39" (1/1) ... [2020-09-25 08:49:39,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:49:39,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:49:39,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:49:39,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:49:39,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:39" (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 08:49:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:49:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:49:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:49:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:49:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:49:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:49:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:49:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:49:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:49:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:49:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:49:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:49:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:49:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 08:49:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:49:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:49:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:49:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:49:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:49:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:49:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:49:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:49:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:49:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:49:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:49:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:49:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:49:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:49:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:49:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:49:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:49:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:49:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:49:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:49:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:49:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:49:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:49:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:49:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 08:49:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:49:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:49:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:49:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:49:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:49:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:49:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:49:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:49:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:49:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:49:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:49:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 08:49:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:49:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:49:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:49:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:49:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:49:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:49:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:49:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:49:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:49:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:49:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:49:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:49:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 08:49:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:49:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:49:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:49:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:49:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:49:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:49:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:49:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:49:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:49:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:49:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:49:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:49:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:49:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:49:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:49:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:49:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:49:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:49:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:49:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:49:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:49:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:49:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:49:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:49:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:49:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:49:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:49:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:49:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:49:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:49:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:49:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:49:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:49:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:49:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:49:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:49:40,883 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:49:40,883 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:49:40,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:49:40 BoogieIcfgContainer [2020-09-25 08:49:40,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:49:40,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:49:40,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:49:40,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:49:40,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:49:38" (1/3) ... [2020-09-25 08:49:40,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e2c1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:49:40, skipping insertion in model container [2020-09-25 08:49:40,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:39" (2/3) ... [2020-09-25 08:49:40,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e2c1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:49:40, skipping insertion in model container [2020-09-25 08:49:40,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:49:40" (3/3) ... [2020-09-25 08:49:40,902 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2020-09-25 08:49:40,915 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:49:40,928 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:49:40,952 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:49:40,990 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:49:40,991 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:49:40,991 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:49:40,991 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:49:40,991 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:49:40,992 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:49:40,992 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:49:40,992 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:49:41,024 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-09-25 08:49:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:49:41,046 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:41,047 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 08:49:41,048 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:41,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:41,057 INFO L82 PathProgramCache]: Analyzing trace with hash -505223446, now seen corresponding path program 1 times [2020-09-25 08:49:41,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:41,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140316575] [2020-09-25 08:49:41,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:41,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:41,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:43,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:43,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:46,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:46,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 08:49:46,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:49:46,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 08:49:46,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:46,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:46,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 08:49:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:49:47,029 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:47,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:47,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-25 08:49:47,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:47,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:47,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:47,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:49:47,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:47,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:49:47,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:47,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:47,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:47,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:49:47,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:49:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:47,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:49:47,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:49:47,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:47,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:47,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 08:49:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:47,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:47,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:49:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:47,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:49:47,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,419 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 08:49:47,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140316575] [2020-09-25 08:49:47,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:47,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:49:47,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801829232] [2020-09-25 08:49:47,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:49:47,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:47,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:49:47,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:49:47,461 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 4 states. [2020-09-25 08:49:48,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:48,836 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2020-09-25 08:49:48,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:49:48,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 08:49:48,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:48,859 INFO L225 Difference]: With dead ends: 522 [2020-09-25 08:49:48,860 INFO L226 Difference]: Without dead ends: 327 [2020-09-25 08:49:48,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:49:48,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-25 08:49:48,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 280. [2020-09-25 08:49:48,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-25 08:49:49,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 306 transitions. [2020-09-25 08:49:49,004 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 306 transitions. Word has length 160 [2020-09-25 08:49:49,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:49,005 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 306 transitions. [2020-09-25 08:49:49,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:49:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 306 transitions. [2020-09-25 08:49:49,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:49:49,015 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:49,015 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 08:49:49,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:49:49,020 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:49,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:49,020 INFO L82 PathProgramCache]: Analyzing trace with hash 923274865, now seen corresponding path program 1 times [2020-09-25 08:49:49,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:49,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356495716] [2020-09-25 08:49:49,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:49,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:49,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:50,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:51,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:52,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:54,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:54,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 08:49:54,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:49:54,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 08:49:54,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:54,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 08:49:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:49:54,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:54,503 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:54,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:54,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:54,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:54,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:54,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:54,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-25 08:49:54,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:54,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:54,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:54,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:54,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:54,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:54,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:54,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:54,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:54,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:54,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:54,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:54,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:54,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:54,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:54,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:54,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:54,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:54,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:54,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:54,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:54,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:54,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:54,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:54,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:49:54,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:54,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:54,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:54,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:54,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:54,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:49:54,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:54,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:54,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:54,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:54,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:54,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 08:49:54,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:54,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:54,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:54,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:54,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:54,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:54,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:54,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:54,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:54,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:54,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:54,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:54,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:54,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:54,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:54,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:54,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:54,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:49:54,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:49:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:54,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:54,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:54,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:54,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:54,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:54,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:54,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:54,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:54,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:49:54,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:54,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:54,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:54,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:54,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:54,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:54,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:54,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:54,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:54,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:54,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:54,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:49:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:54,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:54,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:54,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:54,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:54,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:54,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:54,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:54,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:54,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:54,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:54,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:54,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:49:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:54,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:54,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:54,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:54,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:54,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:54,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:54,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:54,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:54,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:54,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:54,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:54,911 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 08:49:54,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356495716] [2020-09-25 08:49:54,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:54,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:49:54,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500656805] [2020-09-25 08:49:54,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:49:54,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:54,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:49:54,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:49:54,920 INFO L87 Difference]: Start difference. First operand 280 states and 306 transitions. Second operand 5 states. [2020-09-25 08:49:55,687 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:56,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:56,783 INFO L93 Difference]: Finished difference Result 445 states and 502 transitions. [2020-09-25 08:49:56,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:49:56,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 08:49:56,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:56,790 INFO L225 Difference]: With dead ends: 445 [2020-09-25 08:49:56,791 INFO L226 Difference]: Without dead ends: 316 [2020-09-25 08:49:56,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 08:49:56,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-09-25 08:49:56,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 270. [2020-09-25 08:49:56,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-09-25 08:49:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 293 transitions. [2020-09-25 08:49:56,845 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 293 transitions. Word has length 161 [2020-09-25 08:49:56,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:56,846 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 293 transitions. [2020-09-25 08:49:56,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:49:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 293 transitions. [2020-09-25 08:49:56,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 08:49:56,849 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:56,849 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] [2020-09-25 08:49:56,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:49:56,850 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:56,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:56,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1619571260, now seen corresponding path program 1 times [2020-09-25 08:49:56,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:56,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361064839] [2020-09-25 08:49:56,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:56,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:59,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:01,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:01,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-25 08:50:01,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:50:01,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 08:50:01,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:01,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:01,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:50:01,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 08:50:01,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-25 08:50:01,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:02,229 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:50:02,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:02,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:02,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:02,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:50:02,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:02,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-09-25 08:50:02,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:02,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 08:50:02,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:02,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:50:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:02,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:02,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:02,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:02,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:02,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:02,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:02,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:50:02,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:02,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:50:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:02,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:02,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:02,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:02,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:02,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:02,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:02,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:02,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:02,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:02,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:50:02,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:02,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:50:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:02,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:02,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:02,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:02,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:02,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:50:02,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:02,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:02,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:02,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:02,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:50:02,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:02,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:50:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:02,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:02,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:02,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:02,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:02,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:02,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:50:02,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:02,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:50:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:02,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:02,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:02,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:02,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:02,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:02,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:02,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:02,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:02,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:02,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:50:02,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:02,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:50:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:02,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:02,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:02,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:50:02,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:02,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:50:02,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:02,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:02,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:02,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:02,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:50:02,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:02,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:02,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:02,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:02,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:02,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:02,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:02,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:02,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:02,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:02,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:02,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:50:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:02,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:02,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:02,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:02,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:02,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:02,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:02,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:02,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:02,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:02,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 08:50:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:02,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:02,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:02,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:02,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:02,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:02,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:02,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:02,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:02,749 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 08:50:02,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361064839] [2020-09-25 08:50:02,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:50:02,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:50:02,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064828512] [2020-09-25 08:50:02,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:50:02,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:50:02,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:50:02,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:50:02,752 INFO L87 Difference]: Start difference. First operand 270 states and 293 transitions. Second operand 5 states. [2020-09-25 08:50:03,250 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:50:04,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:50:04,999 INFO L93 Difference]: Finished difference Result 634 states and 725 transitions. [2020-09-25 08:50:05,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:50:05,000 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-25 08:50:05,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:50:05,006 INFO L225 Difference]: With dead ends: 634 [2020-09-25 08:50:05,006 INFO L226 Difference]: Without dead ends: 479 [2020-09-25 08:50:05,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:50:05,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-09-25 08:50:05,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 419. [2020-09-25 08:50:05,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-25 08:50:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 466 transitions. [2020-09-25 08:50:05,068 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 466 transitions. Word has length 170 [2020-09-25 08:50:05,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:50:05,069 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 466 transitions. [2020-09-25 08:50:05,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:50:05,069 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 466 transitions. [2020-09-25 08:50:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 08:50:05,073 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:50:05,073 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] [2020-09-25 08:50:05,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:50:05,073 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:50:05,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:50:05,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1827840228, now seen corresponding path program 1 times [2020-09-25 08:50:05,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:50:05,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710537165] [2020-09-25 08:50:05,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:50:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:05,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:08,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 08:50:10,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:50:10,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-25 08:50:10,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:50:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 08:50:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 08:50:10,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,598 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:50:10,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:50:10,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 08:50:10,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:50:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:10,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:10,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:50:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:10,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:10,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:50:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:10,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:10,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:50:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:10,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:10,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:50:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:10,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:10,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 08:50:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:50:10,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:50:10,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:50:10,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 08:50:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:50:10,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:50:10,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:10,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:50:10,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:10,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:10,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:10,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 08:50:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:10,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:10,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:10,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:50:10,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 08:50:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:10,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:50:10,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:50:10,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,953 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 08:50:10,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710537165] [2020-09-25 08:50:10,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:50:10,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:50:10,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420544768] [2020-09-25 08:50:10,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:50:10,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:50:10,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:50:10,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:50:10,957 INFO L87 Difference]: Start difference. First operand 419 states and 466 transitions. Second operand 10 states. [2020-09-25 08:50:11,740 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:50:12,638 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:50:12,941 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:50:14,193 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:50:14,503 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:50:14,919 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:50:15,612 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:50:15,952 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 08:50:16,275 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:50:17,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:50:17,026 INFO L93 Difference]: Finished difference Result 986 states and 1177 transitions. [2020-09-25 08:50:17,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 08:50:17,027 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 08:50:17,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:50:17,035 INFO L225 Difference]: With dead ends: 986 [2020-09-25 08:50:17,035 INFO L226 Difference]: Without dead ends: 682 [2020-09-25 08:50:17,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 08:50:17,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-09-25 08:50:17,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 599. [2020-09-25 08:50:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2020-09-25 08:50:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 676 transitions. [2020-09-25 08:50:17,125 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 676 transitions. Word has length 179 [2020-09-25 08:50:17,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:50:17,126 INFO L479 AbstractCegarLoop]: Abstraction has 599 states and 676 transitions. [2020-09-25 08:50:17,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:50:17,126 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 676 transitions. [2020-09-25 08:50:17,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 08:50:17,130 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:50:17,130 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 08:50:17,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:50:17,130 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:50:17,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:50:17,131 INFO L82 PathProgramCache]: Analyzing trace with hash 939954101, now seen corresponding path program 1 times [2020-09-25 08:50:17,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:50:17,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949690793] [2020-09-25 08:50:17,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:50:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:17,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:17,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:17,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 08:50:17,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:17,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 782 [2020-09-25 08:50:17,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:17,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:17,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:17,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 08:50:17,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:17,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,260 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:50:18,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:50:18,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 08:50:18,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:18,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:18,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:18,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:18,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:50:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:18,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:18,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:18,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:18,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:18,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:50:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:18,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:18,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:18,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:18,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:18,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:50:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:18,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:50:18,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:18,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:50:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:18,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:18,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:18,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:50:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:18,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:18,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:18,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:50:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:50:18,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:18,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:18,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:18,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:18,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:18,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:50:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 08:50:18,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 08:50:18,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:18,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 08:50:18,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:18,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:18,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:50:18,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 08:50:18,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:18,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:50:18,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:18,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:50:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 08:50:18,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:50:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:50:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:50:18,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:50:18,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:50:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:50:18,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:50:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:18,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:18,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 08:50:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:18,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 08:50:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:18,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:18,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:18,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:18,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:18,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:18,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 08:50:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:18,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:18,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:18,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:18,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:18,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:18,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:18,825 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 08:50:18,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949690793] [2020-09-25 08:50:18,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:50:18,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:50:18,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378683848] [2020-09-25 08:50:18,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:50:18,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:50:18,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:50:18,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:50:18,829 INFO L87 Difference]: Start difference. First operand 599 states and 676 transitions. Second operand 9 states. [2020-09-25 08:50:20,221 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:50:20,559 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:50:20,887 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:50:21,242 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:50:21,551 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:50:22,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:50:22,583 INFO L93 Difference]: Finished difference Result 1201 states and 1432 transitions. [2020-09-25 08:50:22,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:50:22,585 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2020-09-25 08:50:22,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:50:22,590 INFO L225 Difference]: With dead ends: 1201 [2020-09-25 08:50:22,591 INFO L226 Difference]: Without dead ends: 717 [2020-09-25 08:50:22,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 08:50:22,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2020-09-25 08:50:22,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 614. [2020-09-25 08:50:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-09-25 08:50:22,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 692 transitions. [2020-09-25 08:50:22,691 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 692 transitions. Word has length 208 [2020-09-25 08:50:22,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:50:22,692 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 692 transitions. [2020-09-25 08:50:22,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:50:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 692 transitions. [2020-09-25 08:50:22,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 08:50:22,703 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:50:22,703 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 08:50:22,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 08:50:22,704 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:50:22,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:50:22,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1065158485, now seen corresponding path program 1 times [2020-09-25 08:50:22,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:50:22,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105571545] [2020-09-25 08:50:22,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:50:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:22,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:23,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:23,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 08:50:23,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:23,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 836 [2020-09-25 08:50:23,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:23,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 08:50:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:50:23,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:23,936 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:50:23,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:23,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:24,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:24,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:50:24,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:24,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 08:50:24,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:24,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:24,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:24,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:24,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:50:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:24,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:24,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:24,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:24,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:24,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:24,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:24,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:24,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:24,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:24,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:50:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:24,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:24,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:24,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:24,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:24,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:24,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:24,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:24,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:24,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:24,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:24,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:24,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:50:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:24,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:24,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:24,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:24,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:50:24,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:24,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:24,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:24,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:24,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:50:24,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:50:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:24,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:24,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:24,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:24,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:24,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:24,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:24,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:24,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:24,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:24,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:50:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:24,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:24,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:24,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:24,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:24,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:24,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:24,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:24,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:50:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:24,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:24,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:24,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:50:24,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:24,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:24,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:24,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:24,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:24,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:24,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:24,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:24,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:24,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:24,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:24,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:24,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:24,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:24,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:24,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:24,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:24,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:50:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:24,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:24,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:24,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 08:50:24,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:24,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 08:50:24,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:24,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:24,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:24,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 08:50:24,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:50:24,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:24,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:24,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:24,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:24,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:50:24,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:24,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 08:50:24,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:24,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:24,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:24,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 08:50:24,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:50:24,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:24,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:24,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:24,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:24,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:50:24,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:24,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 08:50:24,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:24,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 08:50:24,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:24,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3