/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:51:03,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:51:03,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:51:04,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:51:04,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:51:04,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:51:04,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:51:04,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:51:04,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:51:04,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:51:04,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:51:04,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:51:04,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:51:04,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:51:04,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:51:04,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:51:04,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:51:04,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:51:04,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:51:04,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:51:04,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:51:04,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:51:04,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:51:04,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:51:04,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:51:04,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:51:04,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:51:04,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:51:04,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:51:04,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:51:04,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:51:04,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:51:04,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:51:04,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:51:04,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:51:04,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:51:04,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:51:04,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:51:04,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:51:04,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:51:04,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:51:04,101 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 10:51:04,127 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:51:04,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:51:04,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:51:04,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:51:04,129 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:51:04,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:51:04,129 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:51:04,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:51:04,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:51:04,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:51:04,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:51:04,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:51:04,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:51:04,131 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:51:04,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:51:04,131 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:51:04,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:51:04,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:51:04,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:51:04,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:51:04,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:51:04,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:51:04,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:51:04,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:51:04,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:51:04,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:51:04,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:51:04,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:51:04,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:51:04,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 10:51:04,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:51:04,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:51:04,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:51:04,616 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:51:04,618 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:51:04,619 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2020-09-25 10:51:04,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce5803457/6801e2e59f344adcaa639d107a95d904/FLAGa4294e76a [2020-09-25 10:51:05,269 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:51:05,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2020-09-25 10:51:05,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce5803457/6801e2e59f344adcaa639d107a95d904/FLAGa4294e76a [2020-09-25 10:51:05,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce5803457/6801e2e59f344adcaa639d107a95d904 [2020-09-25 10:51:05,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:51:05,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:51:05,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:51:05,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:51:05,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:51:05,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:51:05" (1/1) ... [2020-09-25 10:51:05,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2970dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:51:05, skipping insertion in model container [2020-09-25 10:51:05,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:51:05" (1/1) ... [2020-09-25 10:51:05,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:51:05,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:51:06,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:51:06,209 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:51:06,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:51:06,334 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:51:06,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:51:06 WrapperNode [2020-09-25 10:51:06,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:51:06,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:51:06,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:51:06,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:51:06,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:51:06" (1/1) ... [2020-09-25 10:51:06,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:51:06" (1/1) ... [2020-09-25 10:51:06,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:51:06" (1/1) ... [2020-09-25 10:51:06,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:51:06" (1/1) ... [2020-09-25 10:51:06,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:51:06" (1/1) ... [2020-09-25 10:51:06,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:51:06" (1/1) ... [2020-09-25 10:51:06,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:51:06" (1/1) ... [2020-09-25 10:51:06,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:51:06,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:51:06,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:51:06,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:51:06,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:51:06" (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 10:51:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:51:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:51:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:51:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:51:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:51:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 10:51:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 10:51:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:51:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 10:51:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:51:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:51:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:51:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:51:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:51:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 10:51:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 10:51:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:51:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:51:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:51:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:51:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:51:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:51:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:51:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:51:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:51:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:51:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 10:51:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:51:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:51:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:51:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:51:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:51:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:51:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 10:51:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:51:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:51:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:51:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:51:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:51:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:51:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:51:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:51:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:51:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:51:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:51:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 10:51:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:51:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:51:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:51:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:51:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:51:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:51:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 10:51:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:51:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:51:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:51:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:51:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 10:51:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:51:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 10:51:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 10:51:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 10:51:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:51:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 10:51:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:51:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:51:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:51:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:51:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:51:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:51:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:51:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:51:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:51:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:51:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:51:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:51:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:51:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:51:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:51:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:51:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:51:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:51:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:51:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:51:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:51:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:51:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:51:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:51:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:51:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:51:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:51:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:51:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:51:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:51:07,689 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:51:07,690 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:51:07,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:51:07 BoogieIcfgContainer [2020-09-25 10:51:07,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:51:07,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:51:07,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:51:07,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:51:07,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:51:05" (1/3) ... [2020-09-25 10:51:07,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a3d03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:51:07, skipping insertion in model container [2020-09-25 10:51:07,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:51:06" (2/3) ... [2020-09-25 10:51:07,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a3d03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:51:07, skipping insertion in model container [2020-09-25 10:51:07,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:51:07" (3/3) ... [2020-09-25 10:51:07,706 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2020-09-25 10:51:07,717 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:51:07,726 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:51:07,746 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:51:07,777 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:51:07,778 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:51:07,778 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:51:07,778 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:51:07,778 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:51:07,778 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:51:07,778 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:51:07,778 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:51:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states. [2020-09-25 10:51:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 10:51:07,823 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:51:07,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:51:07,824 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:51:07,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:51:07,832 INFO L82 PathProgramCache]: Analyzing trace with hash 349586246, now seen corresponding path program 1 times [2020-09-25 10:51:07,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:51:07,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759140722] [2020-09-25 10:51:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:51:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:08,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:08,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:09,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:10,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:11,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:13,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:13,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 10:51:13,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:51:13,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 10:51:13,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:13,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:13,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:51:13,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 10:51:13,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 10:51:13,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 10:51:13,841 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:51:13,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:51:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:13,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:14,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:14,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:51:14,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:14,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-09-25 10:51:14,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:14,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:14,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:14,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:14,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:51:14,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:14,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:51:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:14,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:14,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:14,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:14,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:14,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:51:14,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:14,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:14,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:14,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:14,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:14,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:51:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:14,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:14,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:14,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:14,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:14,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:51:14,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:14,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:14,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:14,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:51:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:14,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:14,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:14,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:14,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:14,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 10:51:14,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:14,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:14,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:14,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:51:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:14,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:14,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:14,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:14,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:14,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:14,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:14,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:14,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:14,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:14,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:14,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:14,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 10:51:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:14,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:14,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:14,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:14,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:14,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 10:51:14,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:14,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:51:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:14,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:14,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 10:51:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:14,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:14,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:14,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:14,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:14,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:14,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:14,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:51:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:51:14,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759140722] [2020-09-25 10:51:14,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:51:14,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 10:51:14,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774172064] [2020-09-25 10:51:14,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 10:51:14,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:51:14,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 10:51:14,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 10:51:14,541 INFO L87 Difference]: Start difference. First operand 314 states. Second operand 8 states. [2020-09-25 10:51:15,228 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:16,283 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:16,612 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:51:16,952 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:17,342 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:51:17,708 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:18,494 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:18,827 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:19,385 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:51:21,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:51:21,036 INFO L93 Difference]: Finished difference Result 671 states and 818 transitions. [2020-09-25 10:51:21,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 10:51:21,039 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 10:51:21,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:51:21,061 INFO L225 Difference]: With dead ends: 671 [2020-09-25 10:51:21,061 INFO L226 Difference]: Without dead ends: 451 [2020-09-25 10:51:21,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 10:51:21,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-09-25 10:51:21,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 391. [2020-09-25 10:51:21,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-25 10:51:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 435 transitions. [2020-09-25 10:51:21,211 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 435 transitions. Word has length 142 [2020-09-25 10:51:21,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:51:21,212 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 435 transitions. [2020-09-25 10:51:21,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 10:51:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 435 transitions. [2020-09-25 10:51:21,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 10:51:21,218 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:51:21,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:51:21,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:51:21,219 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:51:21,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:51:21,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1647195100, now seen corresponding path program 1 times [2020-09-25 10:51:21,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:51:21,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2036410827] [2020-09-25 10:51:21,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:51:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:21,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:21,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:21,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:25,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:25,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 10:51:25,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:51:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4239 [2020-09-25 10:51:25,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:25,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 10:51:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 10:51:25,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-25 10:51:25,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:25,854 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:51:25,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:51:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:25,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:26,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:26,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:51:26,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:26,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-25 10:51:26,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:26,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:26,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:26,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 10:51:26,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:26,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:51:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:26,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:26,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:26,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:26,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:26,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:51:26,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:26,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:26,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:26,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:26,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:26,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:26,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:51:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:26,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:26,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:26,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:26,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:26,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:51:26,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:26,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:26,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:26,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:51:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:26,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:26,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:26,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:26,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:26,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:51:26,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:26,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:26,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:26,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:26,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:26,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:26,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:51:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:26,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:26,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:26,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:26,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:26,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:51:26,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:26,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:26,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:26,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:26,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:26,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:26,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 10:51:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:26,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:26,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:26,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:51:26,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:26,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:51:26,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:26,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:26,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:51:26,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:26,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 10:51:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:26,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:26,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:26,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:51:26,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:26,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:51:26,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:26,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:26,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:51:26,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:51:26,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 10:51:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:26,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:26,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:26,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:26,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:26,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:51:26,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:26,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:26,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:26,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:51:26,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 10:51:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:26,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:26,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:26,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:26,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:26,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:51:26,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:26,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:26,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:51:26,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:26,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:26,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:26,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:51:26,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2036410827] [2020-09-25 10:51:26,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:51:26,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 10:51:26,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960996950] [2020-09-25 10:51:26,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 10:51:26,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:51:26,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 10:51:26,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:51:26,417 INFO L87 Difference]: Start difference. First operand 391 states and 435 transitions. Second operand 10 states. [2020-09-25 10:51:26,974 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:28,169 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:51:28,474 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:51:28,830 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:29,218 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:51:29,563 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:31,043 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:51:31,352 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:51:31,745 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:51:32,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:51:32,596 INFO L93 Difference]: Finished difference Result 1094 states and 1374 transitions. [2020-09-25 10:51:32,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 10:51:32,597 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2020-09-25 10:51:32,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:51:32,607 INFO L225 Difference]: With dead ends: 1094 [2020-09-25 10:51:32,607 INFO L226 Difference]: Without dead ends: 813 [2020-09-25 10:51:32,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 10:51:32,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2020-09-25 10:51:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 589. [2020-09-25 10:51:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-09-25 10:51:32,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 681 transitions. [2020-09-25 10:51:32,707 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 681 transitions. Word has length 161 [2020-09-25 10:51:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:51:32,708 INFO L479 AbstractCegarLoop]: Abstraction has 589 states and 681 transitions. [2020-09-25 10:51:32,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 10:51:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 681 transitions. [2020-09-25 10:51:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-09-25 10:51:32,714 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:51:32,714 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:51:32,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:51:32,715 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:51:32,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:51:32,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1643092423, now seen corresponding path program 1 times [2020-09-25 10:51:32,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:51:32,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642617892] [2020-09-25 10:51:32,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:51:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:32,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:32,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:33,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:33,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:33,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:34,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:37,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:37,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-09-25 10:51:37,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 10:51:37,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 10:51:37,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:37,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 10:51:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 10:51:37,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,066 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:51:38,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:51:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:51:38,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 10:51:38,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:51:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:38,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:51:38,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:51:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:38,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:51:38,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:51:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:38,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:38,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:51:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:38,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:51:38,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 10:51:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:51:38,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:51:38,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:38,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:51:38,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 10:51:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:51:38,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:51:38,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:51:38,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 10:51:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 10:51:38,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:51:38,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 10:51:38,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:51:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 10:51:38,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:38,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:51:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:38,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:38,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 10:51:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 10:51:38,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:51:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 10:51:38,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:51:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 10:51:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 10:51:38,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:51:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 10:51:38,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 10:51:38,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:51:38,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 10:51:38,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 10:51:38,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:51:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 10:51:38,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 10:51:38,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:51:38,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 10:51:38,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:51:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:51:38,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:38,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 10:51:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 10:51:38,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:51:38,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 10:51:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:51:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 10:51:38,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:38,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:51:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:38,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:38,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 10:51:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:51:38,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:38,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:38,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 10:51:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:38,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:38,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:51:38,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 10:51:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:38,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:38,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:38,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:38,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:38,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:38,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:38,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:38,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:38,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:51:38,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:38,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:38,876 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 10:51:38,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642617892] [2020-09-25 10:51:38,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:51:38,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 10:51:38,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640759956] [2020-09-25 10:51:38,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 10:51:38,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:51:38,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 10:51:38,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-25 10:51:38,880 INFO L87 Difference]: Start difference. First operand 589 states and 681 transitions. Second operand 13 states. [2020-09-25 10:51:39,655 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:40,822 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:41,120 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:51:41,435 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:51:41,771 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:42,107 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:51:42,396 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:43,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:51:43,751 INFO L93 Difference]: Finished difference Result 1528 states and 2010 transitions. [2020-09-25 10:51:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 10:51:43,752 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 246 [2020-09-25 10:51:43,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:51:43,764 INFO L225 Difference]: With dead ends: 1528 [2020-09-25 10:51:43,765 INFO L226 Difference]: Without dead ends: 1049 [2020-09-25 10:51:43,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 10:51:43,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2020-09-25 10:51:43,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 585. [2020-09-25 10:51:43,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-09-25 10:51:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 663 transitions. [2020-09-25 10:51:43,878 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 663 transitions. Word has length 246 [2020-09-25 10:51:43,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:51:43,879 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 663 transitions. [2020-09-25 10:51:43,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 10:51:43,879 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 663 transitions. [2020-09-25 10:51:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-25 10:51:43,882 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:51:43,883 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:51:43,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:51:43,883 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:51:43,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:51:43,884 INFO L82 PathProgramCache]: Analyzing trace with hash 2059570665, now seen corresponding path program 1 times [2020-09-25 10:51:43,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:51:43,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [109907394] [2020-09-25 10:51:43,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:51:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:43,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:44,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:47,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:48,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:48,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-25 10:51:48,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:51:48,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 10:51:48,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:48,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:48,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 10:51:48,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-09-25 10:51:48,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 10:51:48,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:49,234 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:51:49,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:51:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:49,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:49,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:49,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:51:49,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:49,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 10:51:49,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:49,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:49,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:49,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:49,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:51:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:49,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:49,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:49,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:49,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:49,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:51:49,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:49,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:49,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:49,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:49,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:49,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:49,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:51:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:49,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:49,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:49,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:49,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:49,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:51:49,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:49,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:49,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:49,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:51:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:49,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:49,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:49,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:49,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:49,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:49,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:49,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:49,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:49,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:51:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:49,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:49,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:49,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:49,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:49,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:51:49,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:49,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:49,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:49,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 10:51:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:49,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:49,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:49,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:51:49,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:49,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:49,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:49,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:49,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:49,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:49,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 10:51:49,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:49,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 10:51:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:49,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:49,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:49,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:51:49,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:49,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:49,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:49,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:49,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:49,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:49,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:51:49,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:49,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 10:51:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:49,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:49,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:49,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:49,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 10:51:49,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:51:49,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-09-25 10:51:49,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:49,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:49,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 10:51:49,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-25 10:51:49,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 10:51:49,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:49,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:51:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:49,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:49,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:50,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:50,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 10:51:50,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:51:50,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 582 [2020-09-25 10:51:50,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:50,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 10:51:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 10:51:50,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:50,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:51:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:50,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:50,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:50,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:50,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 10:51:50,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:51:50,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 10:51:50,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:50,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:51:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 10:51:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:51:50,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:50,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:51:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:50,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:50,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:50,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:51:50,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:50,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:50,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:50,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:51:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:50,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 10:51:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:50,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:50,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:50,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 10:51:50,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:50,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 10:51:50,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:50,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 10:51:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 10:51:50,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:50,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:51:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:50,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:50,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:50,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 10:51:50,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:50,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 10:51:50,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:50,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 10:51:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 10:51:50,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:50,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:51:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:50,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:50,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:50,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:50,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:50,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:50,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:50,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:51:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:51:50,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:50,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 10:51:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:50,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:50,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:50,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:51:50,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:50,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:50,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:50,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:50,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:50,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:50,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:51:50,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:50,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 10:51:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:50,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:50,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:50,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:50,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:50,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:50,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:50,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:51:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:50,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:50,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-25 10:51:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:50,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:50,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:50,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:50,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:50,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:51:50,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:50,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:51:50,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:50,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:50,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 10:51:50,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [109907394] [2020-09-25 10:51:50,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 10:51:50,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-25 10:51:50,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754330994] [2020-09-25 10:51:50,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-25 10:51:50,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:51:50,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-25 10:51:50,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2020-09-25 10:51:50,889 INFO L87 Difference]: Start difference. First operand 585 states and 663 transitions. Second operand 19 states. [2020-09-25 10:51:51,497 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:51:52,651 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:51:53,250 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:51:53,581 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:54,025 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:51:54,384 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:54,778 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:51:55,117 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:51:55,511 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189