/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=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:11:32,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:11:32,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:11:32,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:11:32,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:11:32,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:11:32,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:11:32,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:11:32,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:11:32,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:11:32,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:11:32,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:11:32,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:11:32,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:11:32,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:11:32,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:11:32,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:11:32,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:11:32,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:11:32,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:11:32,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:11:32,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:11:32,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:11:32,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:11:32,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:11:32,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:11:32,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:11:32,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:11:32,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:11:32,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:11:32,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:11:32,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:11:32,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:11:32,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:11:32,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:11:32,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:11:32,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:11:32,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:11:32,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:11:32,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:11:32,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:11:32,599 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 12:11:32,625 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:11:32,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:11:32,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:11:32,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:11:32,627 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:11:32,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:11:32,627 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:11:32,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:11:32,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:11:32,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:11:32,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:11:32,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:11:32,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:11:32,629 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:11:32,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:11:32,629 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:11:32,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:11:32,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:11:32,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:11:32,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:11:32,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:11:32,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:11:32,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:11:32,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:11:32,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:11:32,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:11:32,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:11:32,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:11:32,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:11:32,632 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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;log-additional-information=true; [2020-09-25 12:11:33,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:11:33,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:11:33,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:11:33,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:11:33,150 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:11:33,151 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-09-25 12:11:33,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/006b045d7/2aefb598f6284701b9108666d3a637ba/FLAG3ea2efe2d [2020-09-25 12:11:33,853 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:11:33,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-09-25 12:11:33,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/006b045d7/2aefb598f6284701b9108666d3a637ba/FLAG3ea2efe2d [2020-09-25 12:11:34,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/006b045d7/2aefb598f6284701b9108666d3a637ba [2020-09-25 12:11:34,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:11:34,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:11:34,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:11:34,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:11:34,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:11:34,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:11:34" (1/1) ... [2020-09-25 12:11:34,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a098cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:34, skipping insertion in model container [2020-09-25 12:11:34,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:11:34" (1/1) ... [2020-09-25 12:11:34,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:11:34,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:11:34,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:11:34,913 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:11:35,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:11:35,071 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:11:35,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:35 WrapperNode [2020-09-25 12:11:35,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:11:35,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:11:35,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:11:35,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:11:35,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:35" (1/1) ... [2020-09-25 12:11:35,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:35" (1/1) ... [2020-09-25 12:11:35,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:35" (1/1) ... [2020-09-25 12:11:35,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:35" (1/1) ... [2020-09-25 12:11:35,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:35" (1/1) ... [2020-09-25 12:11:35,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:35" (1/1) ... [2020-09-25 12:11:35,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:35" (1/1) ... [2020-09-25 12:11:35,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:11:35,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:11:35,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:11:35,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:11:35,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:35" (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 12:11:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:11:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:11:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:11:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:11:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:11:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:11:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:11:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:11:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:11:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:11:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 12:11:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:11:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:11:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:11:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:11:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:11:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 12:11:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:11:35,329 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:11:35,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:11:35,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:11:35,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:11:35,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:11:35,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 12:11:35,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:11:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:11:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:11:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:11:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:11:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:11:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:11:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:11:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:11:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:11:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:11:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:11:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:11:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:11:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:11:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:11:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:11:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:11:35,334 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:11:35,334 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:11:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:11:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:11:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:11:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:11:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:11:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:11:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:11:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:11:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:11:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:11:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 12:11:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:11:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:11:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:11:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:11:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:11:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:11:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:11:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:11:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:11:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 12:11:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 12:11:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:11:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:11:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:11:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:11:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:11:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:11:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:11:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:11:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:11:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:11:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:11:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:11:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:11:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:11:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:11:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:11:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:11:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:11:36,570 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:11:36,570 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:11:36,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:11:36 BoogieIcfgContainer [2020-09-25 12:11:36,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:11:36,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:11:36,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:11:36,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:11:36,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:11:34" (1/3) ... [2020-09-25 12:11:36,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d1404b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:11:36, skipping insertion in model container [2020-09-25 12:11:36,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:35" (2/3) ... [2020-09-25 12:11:36,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d1404b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:11:36, skipping insertion in model container [2020-09-25 12:11:36,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:11:36" (3/3) ... [2020-09-25 12:11:36,588 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2020-09-25 12:11:36,601 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:11:36,613 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:11:36,638 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:11:36,677 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:11:36,678 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:11:36,678 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:11:36,678 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:11:36,678 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:11:36,678 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:11:36,679 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:11:36,679 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:11:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states. [2020-09-25 12:11:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 12:11:36,734 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:36,737 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:11:36,737 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:36,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:36,748 INFO L82 PathProgramCache]: Analyzing trace with hash 361389502, now seen corresponding path program 1 times [2020-09-25 12:11:36,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:36,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015577907] [2020-09-25 12:11:36,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:39,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:39,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:41,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:42,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:42,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 12:11:42,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:11:42,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 12:11:42,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:42,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:11:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 12:11:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 12:11:42,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:11:42,662 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:11:42,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:42,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:43,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:43,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:11:43,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:43,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-09-25 12:11:43,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:43,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 12:11:43,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:43,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:11:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:43,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:43,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:43,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:43,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:43,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:43,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:43,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:43,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:43,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:43,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:43,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:43,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:11:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:43,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:43,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:43,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:43,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:43,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:43,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:43,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:43,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:43,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:11:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:43,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:43,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:43,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:43,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:43,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:11:43,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:43,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:11:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:43,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:11:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:43,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:43,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:43,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:43,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:43,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:43,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:43,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:43,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:11:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:43,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:43,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:43,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:43,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:43,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 12:11:43,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:43,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:43,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:43,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:43,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:11:43,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:43,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:11:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:43,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:43,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:43,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:11:43,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:43,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:11:43,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:43,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:43,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:43,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:43,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:11:43,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:43,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:43,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:43,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:43,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:43,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:43,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:43,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:43,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:43,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:43,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:43,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:43,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:11:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:43,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:43,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:43,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:43,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:43,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:43,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:43,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:43,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:43,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:43,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:43,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:43,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 12:11:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:43,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:43,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:43,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:43,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:43,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:43,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:43,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:43,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:43,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:43,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:11:43,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015577907] [2020-09-25 12:11:43,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:11:43,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:11:43,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067653609] [2020-09-25 12:11:43,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:11:43,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:11:43,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:11:43,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:11:43,278 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 6 states. [2020-09-25 12:11:43,928 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:11:44,937 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:47,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:11:47,146 INFO L93 Difference]: Finished difference Result 886 states and 1055 transitions. [2020-09-25 12:11:47,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 12:11:47,148 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 12:11:47,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:11:47,176 INFO L225 Difference]: With dead ends: 886 [2020-09-25 12:11:47,176 INFO L226 Difference]: Without dead ends: 645 [2020-09-25 12:11:47,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:11:47,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-09-25 12:11:47,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 571. [2020-09-25 12:11:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-09-25 12:11:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 646 transitions. [2020-09-25 12:11:47,425 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 646 transitions. Word has length 160 [2020-09-25 12:11:47,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:11:47,429 INFO L479 AbstractCegarLoop]: Abstraction has 571 states and 646 transitions. [2020-09-25 12:11:47,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:11:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 646 transitions. [2020-09-25 12:11:47,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 12:11:47,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:47,444 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:11:47,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:11:47,444 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:47,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:47,445 INFO L82 PathProgramCache]: Analyzing trace with hash 598788998, now seen corresponding path program 1 times [2020-09-25 12:11:47,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:47,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708922429] [2020-09-25 12:11:47,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:48,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:49,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:49,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:50,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:52,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:52,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:52,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 12:11:52,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 12:11:52,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-09-25 12:11:52,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:52,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:52,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 12:11:52,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 12:11:52,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-25 12:11:52,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:52,965 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:11:52,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:11:53,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-25 12:11:53,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:53,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:53,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 12:11:53,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:11:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:53,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:53,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:53,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:11:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:53,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:53,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:53,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:53,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:53,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:11:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:53,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:11:53,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:53,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:53,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:11:53,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:11:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:53,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:53,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:53,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:11:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:53,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:53,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:53,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:53,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:11:53,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:11:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:11:53,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 12:11:53,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:53,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:53,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:11:53,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:53,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:53,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:53,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:53,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:53,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:11:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:11:53,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:11:53,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 12:11:53,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:11:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:11:53,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 12:11:53,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:11:53,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:11:53,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:11:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:11:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:11:53,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:53,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:53,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:53,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:53,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:53,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 12:11:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:53,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:53,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:53,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:53,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:53,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 12:11:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:53,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:53,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:53,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:53,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:53,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:53,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:53,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:53,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:53,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:53,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:11:53,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708922429] [2020-09-25 12:11:53,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:11:53,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 12:11:53,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915299991] [2020-09-25 12:11:53,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 12:11:53,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:11:53,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 12:11:53,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:11:53,571 INFO L87 Difference]: Start difference. First operand 571 states and 646 transitions. Second operand 7 states. [2020-09-25 12:11:54,072 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:56,103 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:57,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:11:57,354 INFO L93 Difference]: Finished difference Result 1467 states and 1807 transitions. [2020-09-25 12:11:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 12:11:57,355 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-25 12:11:57,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:11:57,366 INFO L225 Difference]: With dead ends: 1467 [2020-09-25 12:11:57,366 INFO L226 Difference]: Without dead ends: 1011 [2020-09-25 12:11:57,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 12:11:57,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2020-09-25 12:11:57,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 847. [2020-09-25 12:11:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2020-09-25 12:11:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 975 transitions. [2020-09-25 12:11:57,500 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 975 transitions. Word has length 183 [2020-09-25 12:11:57,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:11:57,501 INFO L479 AbstractCegarLoop]: Abstraction has 847 states and 975 transitions. [2020-09-25 12:11:57,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 12:11:57,501 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 975 transitions. [2020-09-25 12:11:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 12:11:57,504 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:57,505 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:11:57,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:11:57,505 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:57,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:57,506 INFO L82 PathProgramCache]: Analyzing trace with hash 697473327, now seen corresponding path program 1 times [2020-09-25 12:11:57,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:57,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087405806] [2020-09-25 12:11:57,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:58,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:00,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:02,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:02,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 12:12:02,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:12:02,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 12:12:02,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:02,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:02,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:12:02,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 12:12:02,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-25 12:12:02,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:03,103 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:12:03,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:03,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:03,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-09-25 12:12:03,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 12:12:03,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:03,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:12:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:03,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:03,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:03,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:03,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:03,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:12:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:03,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:03,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:03,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:03,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:03,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:03,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:03,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:12:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:03,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:03,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:12:03,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:03,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:03,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:03,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:03,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:12:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:03,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:03,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:03,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:03,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:03,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:12:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:03,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:03,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:12:03,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:03,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:03,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:12:03,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:03,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 12:12:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:12:03,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:12:03,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:12:03,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:12:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:12:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:03,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:03,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 12:12:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:12:03,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:03,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 12:12:03,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:03,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:12:03,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:12:03,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:03,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:03,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:03,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:03,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 12:12:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:03,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:03,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:12:03,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:03,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:03,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:03,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 12:12:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:03,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:03,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:12:03,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:03,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 12:12:03,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087405806] [2020-09-25 12:12:03,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:12:03,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:12:03,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744428727] [2020-09-25 12:12:03,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:12:03,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:12:03,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:12:03,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:12:03,907 INFO L87 Difference]: Start difference. First operand 847 states and 975 transitions. Second operand 11 states. [2020-09-25 12:12:04,603 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:05,309 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:05,657 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:12:07,342 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:07,715 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:12:08,016 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:12:08,335 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:08,659 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:12:09,073 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:10,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:12:10,357 INFO L93 Difference]: Finished difference Result 1723 states and 2077 transitions. [2020-09-25 12:12:10,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 12:12:10,358 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2020-09-25 12:12:10,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:12:10,367 INFO L225 Difference]: With dead ends: 1723 [2020-09-25 12:12:10,367 INFO L226 Difference]: Without dead ends: 991 [2020-09-25 12:12:10,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2020-09-25 12:12:10,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-09-25 12:12:10,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 844. [2020-09-25 12:12:10,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 844 states. [2020-09-25 12:12:10,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 966 transitions. [2020-09-25 12:12:10,506 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 966 transitions. Word has length 179 [2020-09-25 12:12:10,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:12:10,507 INFO L479 AbstractCegarLoop]: Abstraction has 844 states and 966 transitions. [2020-09-25 12:12:10,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:12:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 966 transitions. [2020-09-25 12:12:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 12:12:10,512 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:12:10,512 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:12:10,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:12:10,513 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:12:10,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:12:10,513 INFO L82 PathProgramCache]: Analyzing trace with hash -585097851, now seen corresponding path program 1 times [2020-09-25 12:12:10,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:12:10,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343106744] [2020-09-25 12:12:10,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:12:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:10,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:11,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:11,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 12:12:11,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:11,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 754 [2020-09-25 12:12:11,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:11,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:11,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:11,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 12:12:11,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:11,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:11,702 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:12:11,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:11,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:11,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:11,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:11,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:11,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 12:12:11,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:11,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:11,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:11,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:11,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:11,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:11,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:12:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:11,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:11,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:11,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:11,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:11,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:11,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:11,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:11,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:12:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:11,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:11,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:11,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:11,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:11,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:11,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:11,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:11,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:11,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:12:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:11,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:11,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:11,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:11,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:11,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:11,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:11,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:11,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:11,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:11,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:11,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:11,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:12:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:11,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:11,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:11,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:11,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:11,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:11,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:11,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:11,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:11,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:11,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:11,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:11,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:12:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:11,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:11,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:11,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:11,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:11,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:11,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:11,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:11,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:11,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:11,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:12:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:11,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:11,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:11,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:12:11,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:11,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:11,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:11,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:11,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:11,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:11,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:11,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:11,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:11,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:11,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:11,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:11,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:11,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:11,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:11,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:11,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:11,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:11,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:11,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:12:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:11,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:11,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:11,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 12:12:11,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:11,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 12:12:11,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:11,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:11,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:11,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 12:12:11,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:11,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:11,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:12,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:12,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:12,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 12:12:12,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:12,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 12:12:12,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:12,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 12:12:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:12,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:12,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:12,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:12,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:12,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:12:12,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:12,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 12:12:12,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:12,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:12:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:12,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:12:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:12,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:12,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:12,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:12:12,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:12,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:12:12,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:12,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:12,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:12:12,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:12,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:12,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:12:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:12,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:12,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:12,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 12:12:12,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:12,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:12:12,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:12,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:12,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:12,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 12:12:12,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:12,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:12,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:12,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:12,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:12,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 12:12:12,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:12,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:12,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:12,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:12,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:12,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:12,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:12,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:12,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:12,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:12,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:12,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:12,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:12,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:12:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:12,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:12,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:12,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:12,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:12,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:12,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:12,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:12,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:12,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:12,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:12,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:12,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 12:12:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:12,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:12,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:12,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:12,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:12,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:12,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:12,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:12,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:12,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:12,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 12:12:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:12,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:12,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:12,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:12,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:12,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:12,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:12,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:12,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:12:12,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343106744] [2020-09-25 12:12:12,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:12:12,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:12:12,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148505255] [2020-09-25 12:12:12,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:12:12,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:12:12,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:12:12,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:12:12,309 INFO L87 Difference]: Start difference. First operand 844 states and 966 transitions. Second operand 9 states. [2020-09-25 12:12:13,667 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:13,982 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:14,334 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:14,670 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:14,959 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:16,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:12:16,337 INFO L93 Difference]: Finished difference Result 1727 states and 2086 transitions. [2020-09-25 12:12:16,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 12:12:16,338 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2020-09-25 12:12:16,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:12:16,346 INFO L225 Difference]: With dead ends: 1727 [2020-09-25 12:12:16,346 INFO L226 Difference]: Without dead ends: 998 [2020-09-25 12:12:16,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 12:12:16,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2020-09-25 12:12:16,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 856. [2020-09-25 12:12:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-09-25 12:12:16,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 978 transitions. [2020-09-25 12:12:16,457 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 978 transitions. Word has length 230 [2020-09-25 12:12:16,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:12:16,457 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 978 transitions. [2020-09-25 12:12:16,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:12:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 978 transitions. [2020-09-25 12:12:16,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-25 12:12:16,462 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:12:16,462 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:12:16,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:12:16,463 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:12:16,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:12:16,464 INFO L82 PathProgramCache]: Analyzing trace with hash 2006798177, now seen corresponding path program 1 times [2020-09-25 12:12:16,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:12:16,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114551284] [2020-09-25 12:12:16,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:12:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:16,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:16,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:18,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:18,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 12:12:18,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:12:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1974 [2020-09-25 12:12:18,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:18,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 12:12:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:18,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:18,830 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:12:18,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:18,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:18,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:18,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:18,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:18,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 12:12:18,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:18,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:18,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:18,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:12:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:18,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:18,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:18,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:18,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:18,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:18,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:18,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:18,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:18,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:18,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:18,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:12:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:18,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:18,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:18,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:18,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:18,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:18,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:18,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:18,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:18,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:12:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:19,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:19,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:19,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:12:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:19,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:19,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:19,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:12:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:19,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:19,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 12:12:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:12:19,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:19,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:19,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:19,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:19,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:12:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 12:12:19,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 12:12:19,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 12:12:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:19,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 12:12:19,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 12:12:19,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:19,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:12:19,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:19,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:12:19,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 12:12:19,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:12:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:12:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:12:19,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:19,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:19,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:12:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 12:12:19,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:12:19,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 12:12:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 12:12:19,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:19,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:19,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:19,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:19,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:12:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:19,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:19,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:19,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 12:12:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:19,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:19,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:19,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:19,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 12:12:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:19,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:19,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:19,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:19,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:19,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:19,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:19,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:19,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:19,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:19,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:19,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:12:19,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114551284] [2020-09-25 12:12:19,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:12:19,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:12:19,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678264823] [2020-09-25 12:12:19,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:12:19,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:12:19,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:12:19,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:12:19,553 INFO L87 Difference]: Start difference. First operand 856 states and 978 transitions. Second operand 10 states. [2020-09-25 12:12:21,036 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:21,350 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:21,674 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194