/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:47:57,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:47:57,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:47:57,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:47:57,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:47:57,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:47:57,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:47:57,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:47:57,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:47:57,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:47:57,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:47:57,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:47:57,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:47:57,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:47:57,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:47:57,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:47:57,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:47:57,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:47:57,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:47:57,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:47:57,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:47:57,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:47:57,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:47:57,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:47:57,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:47:57,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:47:57,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:47:57,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:47:57,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:47:57,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:47:57,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:47:57,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:47:57,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:47:57,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:47:58,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:47:58,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:47:58,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:47:58,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:47:58,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:47:58,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:47:58,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:47:58,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 09:47:58,075 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:47:58,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:47:58,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:47:58,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:47:58,077 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:47:58,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:47:58,077 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:47:58,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:47:58,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:47:58,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:47:58,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:47:58,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:47:58,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:47:58,079 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:47:58,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:47:58,079 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:47:58,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:47:58,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:47:58,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:47:58,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:47:58,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:47:58,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:47:58,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:47:58,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:47:58,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:47:58,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:47:58,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:47:58,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:47:58,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:47:58,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:47:58,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:47:58,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:47:58,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:47:58,624 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:47:58,625 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:47:58,626 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-09-25 09:47:58,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28c00853e/f6344fc66cfa496d9cd4c1ba8d48f4ee/FLAG26c18723b [2020-09-25 09:47:59,344 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:47:59,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-09-25 09:47:59,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28c00853e/f6344fc66cfa496d9cd4c1ba8d48f4ee/FLAG26c18723b [2020-09-25 09:47:59,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28c00853e/f6344fc66cfa496d9cd4c1ba8d48f4ee [2020-09-25 09:47:59,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:47:59,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:47:59,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:47:59,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:47:59,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:47:59,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:47:59" (1/1) ... [2020-09-25 09:47:59,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532b1c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:59, skipping insertion in model container [2020-09-25 09:47:59,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:47:59" (1/1) ... [2020-09-25 09:47:59,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:47:59,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:48:00,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:48:00,218 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:48:00,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:48:00,354 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:48:00,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:00 WrapperNode [2020-09-25 09:48:00,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:48:00,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:48:00,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:48:00,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:48:00,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:00" (1/1) ... [2020-09-25 09:48:00,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:00" (1/1) ... [2020-09-25 09:48:00,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:00" (1/1) ... [2020-09-25 09:48:00,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:00" (1/1) ... [2020-09-25 09:48:00,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:00" (1/1) ... [2020-09-25 09:48:00,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:00" (1/1) ... [2020-09-25 09:48:00,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:00" (1/1) ... [2020-09-25 09:48:00,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:48:00,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:48:00,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:48:00,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:48:00,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:48:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:48:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:48:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:48:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 09:48:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 09:48:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:48:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:48:00,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:48:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:48:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:48:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:48:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:48:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:48:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:48:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:48:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:48:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:48:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:48:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:48:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:48:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:48:00,626 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:48:00,626 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:48:00,626 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:48:00,627 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:48:00,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:48:00,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:48:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:48:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:48:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:48:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:48:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:48:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:48:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:48:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:48:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 09:48:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:48:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:48:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:48:00,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:48:00,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:48:00,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:48:00,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:48:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:48:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:48:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:48:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:48:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:48:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:48:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 09:48:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 09:48:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:48:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:48:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:48:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:48:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:48:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:48:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:48:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:48:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:48:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:48:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:48:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:48:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:48:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:48:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:48:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:48:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:48:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:48:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:48:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:48:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:48:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:48:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:48:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:48:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:48:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:48:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:48:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:48:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:48:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:48:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:48:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:48:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:48:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:48:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:48:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:48:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:48:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:48:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:48:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:48:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:48:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:48:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:48:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:48:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:48:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 09:48:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:48:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:48:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:48:01,857 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:48:01,857 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:48:01,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:48:01 BoogieIcfgContainer [2020-09-25 09:48:01,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:48:01,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:48:01,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:48:01,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:48:01,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:47:59" (1/3) ... [2020-09-25 09:48:01,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd8724f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:48:01, skipping insertion in model container [2020-09-25 09:48:01,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:00" (2/3) ... [2020-09-25 09:48:01,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd8724f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:48:01, skipping insertion in model container [2020-09-25 09:48:01,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:48:01" (3/3) ... [2020-09-25 09:48:01,874 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2020-09-25 09:48:01,885 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:48:01,895 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:48:01,916 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:48:01,948 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:48:01,949 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:48:01,949 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:48:01,949 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:48:01,949 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:48:01,949 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:48:01,949 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:48:01,950 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:48:01,978 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-25 09:48:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 09:48:01,998 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:48:02,000 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] [2020-09-25 09:48:02,001 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:48:02,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:48:02,009 INFO L82 PathProgramCache]: Analyzing trace with hash 425462913, now seen corresponding path program 1 times [2020-09-25 09:48:02,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:48:02,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096394734] [2020-09-25 09:48:02,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:48:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:02,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:02,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:03,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:04,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:05,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:07,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:07,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 09:48:07,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:48:07,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 09:48:07,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:07,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:07,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:48:07,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:48:07,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 09:48:07,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 09:48:07,916 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:48:07,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:48:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:08,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:08,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:08,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:48:08,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:08,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-09-25 09:48:08,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:08,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:48:08,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:08,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:48:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:08,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:08,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:08,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:08,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:48:08,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:08,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:48:08,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:08,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:48:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:08,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:08,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:08,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:08,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:08,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:48:08,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:08,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:48:08,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:08,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:48:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:08,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:08,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:08,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:08,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:08,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 09:48:08,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:08,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:48:08,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:08,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:48:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:08,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:08,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:08,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:08,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:08,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:48:08,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:08,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:08,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:48:08,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:08,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:48:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:08,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:08,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:08,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:48:08,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:08,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:48:08,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:08,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:08,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:48:08,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:08,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:48:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:08,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:08,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:08,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:08,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:08,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:48:08,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:08,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:48:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:48:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:08,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:48:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:08,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:08,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:08,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:08,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:08,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:48:08,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:08,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:08,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:08,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:48:08,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:08,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:08,553 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 09:48:08,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096394734] [2020-09-25 09:48:08,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:48:08,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:48:08,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483789011] [2020-09-25 09:48:08,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:48:08,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:48:08,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:48:08,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:48:08,591 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 9 states. [2020-09-25 09:48:09,271 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:48:10,540 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:48:10,888 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:48:11,203 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:48:11,578 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:48:11,849 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:48:12,602 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:48:13,011 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:48:13,632 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:48:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:48:15,587 INFO L93 Difference]: Finished difference Result 768 states and 926 transitions. [2020-09-25 09:48:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 09:48:15,590 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 09:48:15,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:48:15,614 INFO L225 Difference]: With dead ends: 768 [2020-09-25 09:48:15,614 INFO L226 Difference]: Without dead ends: 531 [2020-09-25 09:48:15,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 09:48:15,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-09-25 09:48:15,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 455. [2020-09-25 09:48:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-09-25 09:48:15,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 510 transitions. [2020-09-25 09:48:15,777 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 510 transitions. Word has length 148 [2020-09-25 09:48:15,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:48:15,779 INFO L479 AbstractCegarLoop]: Abstraction has 455 states and 510 transitions. [2020-09-25 09:48:15,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:48:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 510 transitions. [2020-09-25 09:48:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-25 09:48:15,785 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:48:15,785 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, 1, 1] [2020-09-25 09:48:15,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:48:15,786 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:48:15,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:48:15,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1885921087, now seen corresponding path program 1 times [2020-09-25 09:48:15,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:48:15,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267870216] [2020-09-25 09:48:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:48:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:15,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:16,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:16,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:18,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:20,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:20,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-25 09:48:20,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:48:20,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 09:48:20,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:20,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:20,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 09:48:20,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:48:20,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-09-25 09:48:20,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:21,262 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:48:21,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:48:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:21,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:21,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:21,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:48:21,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:21,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-09-25 09:48:21,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:21,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:48:21,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:21,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:48:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:21,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:21,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:21,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:21,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:21,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:48:21,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:21,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:48:21,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:21,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:48:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:21,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:21,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:21,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:21,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:21,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:48:21,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:21,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:21,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:21,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:21,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:48:21,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:21,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:48:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:21,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:21,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:21,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:21,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:21,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:48:21,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:21,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:21,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:21,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:48:21,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:21,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:48:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:21,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:21,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:21,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:21,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:21,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:48:21,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:21,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:48:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:21,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:48:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:21,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:21,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:21,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:48:21,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:21,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:48:21,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:21,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:48:21,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:21,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:48:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:21,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:21,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:21,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:48:21,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:21,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:48:21,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:21,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:48:21,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:21,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 09:48:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:21,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:21,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:21,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:21,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:21,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:48:21,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:21,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:21,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:48:21,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:21,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 09:48:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:21,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:21,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:21,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:21,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:21,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:48:21,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:21,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:21,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:48:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:48:21,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:21,824 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 09:48:21,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267870216] [2020-09-25 09:48:21,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:48:21,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:48:21,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105285030] [2020-09-25 09:48:21,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:48:21,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:48:21,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:48:21,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:48:21,833 INFO L87 Difference]: Start difference. First operand 455 states and 510 transitions. Second operand 10 states. [2020-09-25 09:48:22,477 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:48:23,808 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:48:24,143 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:48:24,551 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:48:24,923 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 09:48:25,273 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 09:48:26,702 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:48:27,045 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:48:27,393 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:48:28,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:48:28,348 INFO L93 Difference]: Finished difference Result 1094 states and 1325 transitions. [2020-09-25 09:48:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 09:48:28,348 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2020-09-25 09:48:28,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:48:28,357 INFO L225 Difference]: With dead ends: 1094 [2020-09-25 09:48:28,357 INFO L226 Difference]: Without dead ends: 754 [2020-09-25 09:48:28,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 09:48:28,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2020-09-25 09:48:28,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 644. [2020-09-25 09:48:28,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-09-25 09:48:28,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 731 transitions. [2020-09-25 09:48:28,461 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 731 transitions. Word has length 163 [2020-09-25 09:48:28,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:48:28,462 INFO L479 AbstractCegarLoop]: Abstraction has 644 states and 731 transitions. [2020-09-25 09:48:28,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:48:28,462 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 731 transitions. [2020-09-25 09:48:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 09:48:28,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:48:28,468 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:48:28,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:48:28,469 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:48:28,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:48:28,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1560503777, now seen corresponding path program 1 times [2020-09-25 09:48:28,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:48:28,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414840840] [2020-09-25 09:48:28,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:48:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:28,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:28,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:28,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:28,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:29,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:29,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:33,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:33,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 09:48:33,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 09:48:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 09:48:33,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:33,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:33,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:33,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 09:48:33,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 09:48:33,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:33,863 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:48:33,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:48:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:33,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:48:34,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-25 09:48:34,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 09:48:34,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:48:34,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:48:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:34,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:48:34,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:34,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:48:34,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:48:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:34,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:48:34,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:48:34,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:48:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:34,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 09:48:34,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:34,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:48:34,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:48:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:34,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:48:34,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:48:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:48:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:48:34,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:48:34,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:48:34,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:48:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:48:34,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:48:34,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:48:34,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:48:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 09:48:34,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:48:34,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 09:48:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 09:48:34,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:48:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 09:48:34,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:48:34,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:34,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 09:48:34,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:48:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:34,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:48:34,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:34,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:34,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 09:48:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:48:34,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:48:34,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-25 09:48:34,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:48:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:48:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:48:34,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:48:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:48:34,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 09:48:34,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:48:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 09:48:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:48:34,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:48:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:48:34,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 09:48:34,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:48:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:48:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:48:34,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:48:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:48:34,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 09:48:34,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:48:34,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:48:34,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:48:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:48:34,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:48:34,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:34,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:34,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:48:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:48:34,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:48:34,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:48:34,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:34,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:48:34,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:48:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:48:34,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:48:34,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:34,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:48:34,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:48:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:34,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:48:34,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:34,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:48:34,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:48:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:48:34,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:48:34,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:34,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:34,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:48:34,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-25 09:48:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:34,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:48:34,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:34,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:48:34,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:34,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:34,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-25 09:48:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:34,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:34,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:34,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:34,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:34,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:48:34,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:34,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:48:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:34,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 09:48:35,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414840840] [2020-09-25 09:48:35,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:48:35,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 09:48:35,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461238731] [2020-09-25 09:48:35,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 09:48:35,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:48:35,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 09:48:35,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-25 09:48:35,116 INFO L87 Difference]: Start difference. First operand 644 states and 731 transitions. Second operand 14 states. [2020-09-25 09:48:35,884 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:48:37,308 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:48:37,638 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:48:37,968 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:48:38,324 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:48:38,689 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:48:39,025 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:48:41,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:48:41,196 INFO L93 Difference]: Finished difference Result 1396 states and 1740 transitions. [2020-09-25 09:48:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 09:48:41,197 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 254 [2020-09-25 09:48:41,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:48:41,203 INFO L225 Difference]: With dead ends: 1396 [2020-09-25 09:48:41,204 INFO L226 Difference]: Without dead ends: 867 [2020-09-25 09:48:41,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=232, Invalid=638, Unknown=0, NotChecked=0, Total=870 [2020-09-25 09:48:41,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-09-25 09:48:41,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 672. [2020-09-25 09:48:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-09-25 09:48:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 763 transitions. [2020-09-25 09:48:41,303 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 763 transitions. Word has length 254 [2020-09-25 09:48:41,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:48:41,303 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 763 transitions. [2020-09-25 09:48:41,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 09:48:41,304 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 763 transitions. [2020-09-25 09:48:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-25 09:48:41,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:48:41,308 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, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:48:41,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:48:41,308 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:48:41,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:48:41,309 INFO L82 PathProgramCache]: Analyzing trace with hash 554046963, now seen corresponding path program 1 times [2020-09-25 09:48:41,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:48:41,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [44290520] [2020-09-25 09:48:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:48:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:41,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:41,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:44,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:45,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:46,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:46,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-09-25 09:48:46,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:48:46,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 09:48:46,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:46,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:48:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 09:48:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-25 09:48:46,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:46,722 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:48:46,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:48:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:46,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:46,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:46,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:48:46,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 09:48:46,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:46,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:46,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:46,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:48:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:46,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:46,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:46,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:46,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:46,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:48:46,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:46,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:46,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:48:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:46,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:46,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:46,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:46,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:46,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:48:46,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:46,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:46,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:48:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:46,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:46,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:46,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:46,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:46,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:48:46,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:46,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:46,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:46,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:48:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:46,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:46,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:46,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:46,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:46,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:48:46,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:46,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:46,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:46,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:46,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:46,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:46,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:48:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:46,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:46,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:46,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:48:46,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:46,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:48:46,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:46,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:46,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:46,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 09:48:46,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:46,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:48:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:46,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:46,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:46,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:48:46,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:46,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:48:46,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:46,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:46,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:46,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:46,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:48:46,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:46,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 09:48:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:46,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:47,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:47,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:48:47,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:48:47,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-25 09:48:47,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:47,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:47,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:47,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:47,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 09:48:47,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:47,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:48:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:47,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:47,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:47,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:47,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:48:47,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:48:47,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 09:48:47,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:47,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:47,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:48:47,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:48:47,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:48:47,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:47,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:48:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:47,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:47,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:47,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:48:47,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:47,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 09:48:47,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:47,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:48:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:48:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:48:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:48:47,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:48:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:47,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:47,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:47,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:48:47,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:47,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 09:48:47,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:47,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:48:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:48:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:48:47,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:47,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:48:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:47,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:47,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:47,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:48:47,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:47,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:48:47,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:47,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:47,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:48:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:48:47,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:47,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:48:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:47,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking...