/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=0.4 --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_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:09:37,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:09:37,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:09:37,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:09:37,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:09:37,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:09:37,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:09:37,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:09:37,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:09:38,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:09:38,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:09:38,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:09:38,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:09:38,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:09:38,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:09:38,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:09:38,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:09:38,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:09:38,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:09:38,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:09:38,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:09:38,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:09:38,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:09:38,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:09:38,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:09:38,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:09:38,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:09:38,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:09:38,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:09:38,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:09:38,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:09:38,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:09:38,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:09:38,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:09:38,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:09:38,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:09:38,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:09:38,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:09:38,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:09:38,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:09:38,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:09:38,071 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 13:09:38,096 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:09:38,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:09:38,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:09:38,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:09:38,098 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:09:38,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:09:38,098 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:09:38,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:09:38,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:09:38,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:09:38,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:09:38,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:09:38,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:09:38,100 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:09:38,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:09:38,100 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:09:38,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:09:38,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:09:38,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:09:38,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:09:38,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:09:38,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:09:38,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:09:38,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:09:38,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:09:38,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:09:38,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:09:38,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:09:38,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:09:38,104 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 13:09:38,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:09:38,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:09:38,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:09:38,600 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:09:38,600 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:09:38,602 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-09-25 13:09:38,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8d176e0d/d2f83aec681e4ea49bb29fc3201ec231/FLAGd37bbb73b [2020-09-25 13:09:39,355 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:09:39,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-09-25 13:09:39,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8d176e0d/d2f83aec681e4ea49bb29fc3201ec231/FLAGd37bbb73b [2020-09-25 13:09:39,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8d176e0d/d2f83aec681e4ea49bb29fc3201ec231 [2020-09-25 13:09:39,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:09:39,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:09:39,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:09:39,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:09:39,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:09:39,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:39" (1/1) ... [2020-09-25 13:09:39,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:39, skipping insertion in model container [2020-09-25 13:09:39,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:39" (1/1) ... [2020-09-25 13:09:39,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:09:39,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:09:40,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:09:40,183 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:09:40,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:09:40,348 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:09:40,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:40 WrapperNode [2020-09-25 13:09:40,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:09:40,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:09:40,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:09:40,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:09:40,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:40" (1/1) ... [2020-09-25 13:09:40,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:40" (1/1) ... [2020-09-25 13:09:40,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:40" (1/1) ... [2020-09-25 13:09:40,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:40" (1/1) ... [2020-09-25 13:09:40,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:40" (1/1) ... [2020-09-25 13:09:40,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:40" (1/1) ... [2020-09-25 13:09:40,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:40" (1/1) ... [2020-09-25 13:09:40,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:09:40,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:09:40,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:09:40,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:09:40,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:40" (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 13:09:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:09:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:09:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:09:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:09:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:09:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:09:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:09:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:09:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:09:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:09:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:09:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:09:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:09:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:09:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:09:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:09:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:09:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:09:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:09:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 13:09:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:09:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:09:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:09:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:09:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:09:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:09:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:09:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:09:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:09:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:09:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:09:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:09:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:09:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:09:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:09:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:09:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:09:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:09:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:09:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:09:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:09:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:09:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:09:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:09:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:09:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:09:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:09:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:09:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:09:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:09:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:09:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:09:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:09:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:09:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:09:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:09:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:09:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:09:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:09:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:09:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:09:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:09:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:09:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:09:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:09:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:09:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:09:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:09:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:09:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:09:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:09:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:09:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:09:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:09:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:09:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:09:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:09:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:09:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:09:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:09:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:09:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:09:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:09:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:09:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:09:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:09:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:09:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:09:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 13:09:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:09:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:09:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:09:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:09:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:09:41,860 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:09:41,860 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:09:41,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:41 BoogieIcfgContainer [2020-09-25 13:09:41,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:09:41,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:09:41,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:09:41,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:09:41,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:09:39" (1/3) ... [2020-09-25 13:09:41,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdf2d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:41, skipping insertion in model container [2020-09-25 13:09:41,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:40" (2/3) ... [2020-09-25 13:09:41,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdf2d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:41, skipping insertion in model container [2020-09-25 13:09:41,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:41" (3/3) ... [2020-09-25 13:09:41,880 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2020-09-25 13:09:41,893 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:09:41,907 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:09:41,930 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:09:41,964 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:09:41,964 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:09:41,964 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:09:41,964 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:09:41,964 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:09:41,965 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:09:41,965 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:09:41,965 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:09:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-09-25 13:09:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 13:09:42,015 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:42,016 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 13:09:42,017 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:42,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:42,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1778587784, now seen corresponding path program 1 times [2020-09-25 13:09:42,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:42,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [733456682] [2020-09-25 13:09:42,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:43,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:44,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:45,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:47,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:47,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 13:09:47,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:09:47,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 13:09:47,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:47,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:47,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:47,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 13:09:47,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 13:09:47,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 13:09:48,050 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:09:48,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:09:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:48,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:48,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:48,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:09:48,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:48,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-09-25 13:09:48,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:48,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 13:09:48,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:48,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:09:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:48,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:48,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:48,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:48,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:48,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:48,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:48,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:48,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:09:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:48,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:48,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:48,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:48,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:48,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:48,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:48,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:48,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:48,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:48,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:48,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:48,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:09:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:48,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:48,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:48,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:48,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:48,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:09:48,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:48,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:09:48,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:48,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:09:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:48,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:48,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:48,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:48,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:48,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:48,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:48,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:48,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:09:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:48,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:48,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:48,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:48,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:48,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:09:48,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:48,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:09:48,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:48,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:09:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:48,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:48,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:48,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:48,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:48,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:09:48,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:48,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:48,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:48,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:48,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:09:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:48,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:48,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:48,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:48,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:48,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:48,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:48,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:48,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:48,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:48,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:48,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:48,751 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 13:09:48,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [733456682] [2020-09-25 13:09:48,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:09:48,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:09:48,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64718815] [2020-09-25 13:09:48,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:09:48,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:09:48,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:09:48,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:09:48,788 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 5 states. [2020-09-25 13:09:49,537 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:09:50,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:09:50,728 INFO L93 Difference]: Finished difference Result 500 states and 593 transitions. [2020-09-25 13:09:50,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:09:50,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 13:09:50,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:09:50,758 INFO L225 Difference]: With dead ends: 500 [2020-09-25 13:09:50,759 INFO L226 Difference]: Without dead ends: 317 [2020-09-25 13:09:50,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:09:50,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-09-25 13:09:50,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 268. [2020-09-25 13:09:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-09-25 13:09:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 292 transitions. [2020-09-25 13:09:50,895 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 292 transitions. Word has length 148 [2020-09-25 13:09:50,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:09:50,896 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 292 transitions. [2020-09-25 13:09:50,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:09:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 292 transitions. [2020-09-25 13:09:50,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-25 13:09:50,904 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:50,905 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:09:50,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:09:50,905 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:50,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:50,908 INFO L82 PathProgramCache]: Analyzing trace with hash -2042254420, now seen corresponding path program 1 times [2020-09-25 13:09:50,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:50,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [590653638] [2020-09-25 13:09:50,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:51,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:51,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:51,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:54,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:54,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:54,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 13:09:56,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:09:56,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 13:09:56,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:09:56,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:09:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-09-25 13:09:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:56,443 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:09:56,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:09:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:56,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:09:56,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:56,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-25 13:09:56,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:56,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:56,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:09:56,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:56,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:09:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:56,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:56,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:56,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:56,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:56,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:56,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:09:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:56,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:56,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:56,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:56,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:56,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:09:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:56,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:56,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:56,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:09:56,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:09:56,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:56,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:09:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:56,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:56,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:56,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:56,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:56,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:56,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:09:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:56,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:56,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:56,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:56,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:56,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:56,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:09:56,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:56,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 13:09:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:56,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:09:56,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:09:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 13:09:56,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 13:09:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:56,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:56,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:09:56,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:56,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:56,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:56,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:56,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:56,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:56,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:56,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:56,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:56,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:56,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 13:09:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:56,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:56,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:56,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:09:56,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:09:56,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:56,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:09:56,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:56,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 13:09:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:56,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:56,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:56,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:56,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:56,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:56,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:56,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:56,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:56,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:57,036 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 13:09:57,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [590653638] [2020-09-25 13:09:57,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:09:57,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 13:09:57,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243615462] [2020-09-25 13:09:57,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 13:09:57,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:09:57,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 13:09:57,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:09:57,044 INFO L87 Difference]: Start difference. First operand 268 states and 292 transitions. Second operand 10 states. [2020-09-25 13:09:57,620 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:09:58,681 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:09:59,011 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:09:59,831 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:10:00,188 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:10:01,185 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:10:01,516 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 13:10:01,838 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:10:02,452 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:10:03,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:10:03,458 INFO L93 Difference]: Finished difference Result 691 states and 838 transitions. [2020-09-25 13:10:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 13:10:03,460 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-09-25 13:10:03,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:10:03,469 INFO L225 Difference]: With dead ends: 691 [2020-09-25 13:10:03,470 INFO L226 Difference]: Without dead ends: 520 [2020-09-25 13:10:03,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 13:10:03,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-09-25 13:10:03,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 393. [2020-09-25 13:10:03,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-09-25 13:10:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 436 transitions. [2020-09-25 13:10:03,597 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 436 transitions. Word has length 171 [2020-09-25 13:10:03,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:10:03,598 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 436 transitions. [2020-09-25 13:10:03,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 13:10:03,598 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 436 transitions. [2020-09-25 13:10:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 13:10:03,603 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:03,603 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:10:03,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:10:03,604 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:03,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:03,604 INFO L82 PathProgramCache]: Analyzing trace with hash -388621754, now seen corresponding path program 1 times [2020-09-25 13:10:03,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:03,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434270230] [2020-09-25 13:10:03,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:04,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:05,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:06,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:06,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:08,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:08,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:08,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 13:10:08,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:10:08,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 13:10:08,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:08,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:08,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:10:08,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 13:10:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-25 13:10:08,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:10:08,975 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:08,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:08,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:09,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:09,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 13:10:09,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:09,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:09,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:09,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:10:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:09,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:09,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:09,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:09,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:09,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:09,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:10:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:09,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:09,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:09,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:09,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:09,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:09,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:09,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:10:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:09,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:09,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:09,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:09,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:09,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:09,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:09,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:10:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:09,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:09,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:09,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:09,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:09,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:09,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:09,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:10:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:09,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:09,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:09,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:09,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 13:10:09,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:09,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:10:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:09,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:10:09,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:09,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:10:09,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:09,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:09,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:09,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 13:10:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:09,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:10:09,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:09,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 13:10:09,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 13:10:09,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:09,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:09,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:10:09,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:09,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:09,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:09,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:09,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:09,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:09,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:09,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:09,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:09,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:09,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:09,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 13:10:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:09,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:09,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:09,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:09,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:09,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:09,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:09,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 13:10:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:09,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:09,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:09,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:09,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:09,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:09,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:09,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:09,306 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 13:10:09,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434270230] [2020-09-25 13:10:09,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:10:09,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:10:09,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241892973] [2020-09-25 13:10:09,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:10:09,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:09,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:10:09,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:10:09,310 INFO L87 Difference]: Start difference. First operand 393 states and 436 transitions. Second operand 7 states. [2020-09-25 13:10:10,077 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:10:13,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:10:13,413 INFO L93 Difference]: Finished difference Result 978 states and 1244 transitions. [2020-09-25 13:10:13,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 13:10:13,415 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-09-25 13:10:13,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:10:13,423 INFO L225 Difference]: With dead ends: 978 [2020-09-25 13:10:13,423 INFO L226 Difference]: Without dead ends: 975 [2020-09-25 13:10:13,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-09-25 13:10:13,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2020-09-25 13:10:13,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 548. [2020-09-25 13:10:13,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-09-25 13:10:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 621 transitions. [2020-09-25 13:10:13,530 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 621 transitions. Word has length 176 [2020-09-25 13:10:13,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:10:13,531 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 621 transitions. [2020-09-25 13:10:13,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:10:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 621 transitions. [2020-09-25 13:10:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-09-25 13:10:13,536 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:13,537 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:10:13,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:10:13,538 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:13,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:13,538 INFO L82 PathProgramCache]: Analyzing trace with hash -663173225, now seen corresponding path program 1 times [2020-09-25 13:10:13,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:13,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447811388] [2020-09-25 13:10:13,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:14,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:14,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:15,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:16,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:18,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:18,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-09-25 13:10:18,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 13:10:18,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 13:10:18,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:18,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-09-25 13:10:18,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 13:10:18,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:18,982 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:18,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:19,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 13:10:19,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:19,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:10:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:19,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:19,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 13:10:19,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:10:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:19,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:19,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:19,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:10:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:19,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:19,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:19,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:19,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:19,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:19,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:10:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:19,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:19,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:19,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:19,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:19,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:10:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:19,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:19,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:19,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:19,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:19,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:19,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:10:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:10:19,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:19,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:10:19,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:19,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:19,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:19,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:10:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-25 13:10:19,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:10:19,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-09-25 13:10:19,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:19,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:19,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 13:10:19,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:10:19,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:19,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 13:10:19,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:19,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 13:10:19,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:19,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:10:19,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:19,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:10:19,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:19,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:10:19,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:10:19,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:19,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:19,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:10:19,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:19,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:19,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 13:10:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 13:10:19,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:19,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:19,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:19,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:19,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:19,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:19,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:19,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:19,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:19,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:19,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:19,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:19,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:19,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 13:10:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 13:10:20,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:10:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-09-25 13:10:20,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:10:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 13:10:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 13:10:20,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:20,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:20,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:10:20,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:20,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 13:10:20,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:20,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:20,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:20,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:20,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:20,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:10:20,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:20,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:10:20,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:20,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:10:20,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:10:20,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:20,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:20,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:20,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:20,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:20,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:20,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:20,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:10:20,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 13:10:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:20,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:10:20,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:20,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 13:10:20,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:10:20,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:10:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:10:20,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:20,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:20,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:20,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:20,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:20,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:20,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:20,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:20,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:20,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:10:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:20,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:20,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:20,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:10:20,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:20,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:20,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:20,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-25 13:10:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:20,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:10:20,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:10:20,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 13:10:20,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:20,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:20,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:10:20,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:20,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:10:20,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:10:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:10:20,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:20,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:20,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:20,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:20,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:20,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:20,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:20,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-25 13:10:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:20,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:20,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:20,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:20,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:20,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:20,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:20,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-09-25 13:10:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:20,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:20,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:20,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:20,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:20,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 13:10:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 37 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-09-25 13:10:20,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447811388] [2020-09-25 13:10:20,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:10:20,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-25 13:10:20,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900716648] [2020-09-25 13:10:20,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 13:10:20,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:20,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 13:10:20,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-09-25 13:10:20,614 INFO L87 Difference]: Start difference. First operand 548 states and 621 transitions. Second operand 16 states. [2020-09-25 13:10:21,189 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:10:21,882 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:10:23,752 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 13:10:24,585 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 196 [2020-09-25 13:10:25,250 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 199 [2020-09-25 13:10:26,598 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:10:26,953 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 13:10:27,610 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192