/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_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:11:36,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:11:36,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:11:36,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:11:36,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:11:36,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:11:36,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:11:36,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:11:36,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:11:36,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:11:36,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:11:36,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:11:36,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:11:36,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:11:36,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:11:36,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:11:36,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:11:36,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:11:36,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:11:36,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:11:36,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:11:36,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:11:36,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:11:36,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:11:36,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:11:36,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:11:36,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:11:36,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:11:36,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:11:36,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:11:36,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:11:36,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:11:36,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:11:36,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:11:36,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:11:36,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:11:36,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:11:36,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:11:36,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:11:36,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:11:36,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:11:36,587 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 12:11:36,639 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:11:36,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:11:36,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:11:36,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:11:36,642 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:11:36,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:11:36,643 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:11:36,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:11:36,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:11:36,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:11:36,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:11:36,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:11:36,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:11:36,645 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:11:36,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:11:36,646 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:11:36,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:11:36,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:11:36,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:11:36,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:11:36,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:11:36,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:11:36,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:11:36,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:11:36,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:11:36,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:11:36,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:11:36,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:11:36,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:11:36,648 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 12:11:37,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:11:37,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:11:37,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:11:37,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:11:37,142 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:11:37,143 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-09-25 12:11:37,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6735ec3c7/4e361c1537494489a16ddea699ecc961/FLAG6c2f6308d [2020-09-25 12:11:37,852 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:11:37,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-09-25 12:11:37,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6735ec3c7/4e361c1537494489a16ddea699ecc961/FLAG6c2f6308d [2020-09-25 12:11:38,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6735ec3c7/4e361c1537494489a16ddea699ecc961 [2020-09-25 12:11:38,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:11:38,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:11:38,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:11:38,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:11:38,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:11:38,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:11:38" (1/1) ... [2020-09-25 12:11:38,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:38, skipping insertion in model container [2020-09-25 12:11:38,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:11:38" (1/1) ... [2020-09-25 12:11:38,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:11:38,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:11:38,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:11:38,695 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:11:38,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:11:38,915 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:11:38,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:38 WrapperNode [2020-09-25 12:11:38,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:11:38,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:11:38,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:11:38,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:11:38,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:38" (1/1) ... [2020-09-25 12:11:38,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:38" (1/1) ... [2020-09-25 12:11:38,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:38" (1/1) ... [2020-09-25 12:11:38,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:38" (1/1) ... [2020-09-25 12:11:39,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:38" (1/1) ... [2020-09-25 12:11:39,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:38" (1/1) ... [2020-09-25 12:11:39,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:38" (1/1) ... [2020-09-25 12:11:39,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:11:39,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:11:39,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:11:39,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:11:39,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:38" (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 12:11:39,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:11:39,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:11:39,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:11:39,180 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:11:39,180 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:11:39,181 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:11:39,181 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:11:39,182 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 12:11:39,182 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:11:39,182 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 12:11:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:11:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:11:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:11:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:11:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:11:39,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:11:39,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 12:11:39,186 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:11:39,186 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:11:39,187 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:11:39,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:11:39,187 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:11:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:11:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:11:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 12:11:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:11:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:11:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:11:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:11:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:11:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:11:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:11:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:11:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:11:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:11:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:11:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:11:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:11:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:11:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:11:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:11:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:11:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:11:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:11:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:11:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:11:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:11:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:11:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:11:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:11:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:11:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:11:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:11:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:11:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:11:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:11:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 12:11:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:11:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:11:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:11:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:11:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:11:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:11:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:11:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:11:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:11:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:11:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 12:11:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 12:11:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:11:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 12:11:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:11:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:11:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:11:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:11:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:11:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:11:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:11:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:11:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:11:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:11:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:11:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:11:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:11:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:11:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:11:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:11:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:11:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:11:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:11:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:11:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:11:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:11:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:11:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:11:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:11:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:11:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:11:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:11:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:11:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:11:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:11:40,321 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:11:40,321 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:11:40,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:11:40 BoogieIcfgContainer [2020-09-25 12:11:40,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:11:40,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:11:40,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:11:40,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:11:40,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:11:38" (1/3) ... [2020-09-25 12:11:40,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e090edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:11:40, skipping insertion in model container [2020-09-25 12:11:40,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:38" (2/3) ... [2020-09-25 12:11:40,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e090edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:11:40, skipping insertion in model container [2020-09-25 12:11:40,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:11:40" (3/3) ... [2020-09-25 12:11:40,338 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2020-09-25 12:11:40,349 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:11:40,361 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:11:40,383 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:11:40,417 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:11:40,417 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:11:40,417 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:11:40,417 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:11:40,417 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:11:40,418 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:11:40,418 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:11:40,418 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:11:40,447 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states. [2020-09-25 12:11:40,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 12:11:40,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:40,468 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 12:11:40,469 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:40,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:40,477 INFO L82 PathProgramCache]: Analyzing trace with hash 442401887, now seen corresponding path program 1 times [2020-09-25 12:11:40,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:40,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279212578] [2020-09-25 12:11:40,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:41,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:41,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:41,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:41,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:43,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:45,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:45,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 12:11:45,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:11:45,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 12:11:45,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:45,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 12:11:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 12:11:45,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:11:46,367 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:11:46,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:46,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:46,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:46,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:11:46,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:46,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-25 12:11:46,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:46,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:46,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:46,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:46,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 12:11:46,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:46,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:11:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:46,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:46,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:46,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:46,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:46,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:11:46,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:46,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:11:46,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:11:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:46,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:46,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:46,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:46,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:46,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:11:46,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:46,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:46,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:46,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:46,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:46,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:46,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:11:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:46,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:46,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:46,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:46,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:46,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:11:46,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:46,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:11:46,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:46,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:11:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:46,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:46,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:46,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:46,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:46,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:46,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:46,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:46,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:46,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:46,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:11:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:46,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:46,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:46,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:46,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:11:46,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:46,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:11:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:46,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:11:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:46,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:46,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:46,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:11:46,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:46,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:11:46,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:46,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:11:46,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:46,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:46,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:46,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:46,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:46,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:46,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:46,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:46,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:46,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:46,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:46,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:11:46,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:11:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:46,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:46,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:46,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:46,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:46,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:46,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:46,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:46,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:46,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:46,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:46,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:46,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 12:11:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:46,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:46,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:46,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:46,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:46,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:46,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:46,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:46,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,033 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 12:11:47,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279212578] [2020-09-25 12:11:47,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:11:47,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 12:11:47,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821373162] [2020-09-25 12:11:47,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 12:11:47,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:11:47,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 12:11:47,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 12:11:47,075 INFO L87 Difference]: Start difference. First operand 359 states. Second operand 5 states. [2020-09-25 12:11:47,769 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:11:49,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:11:49,101 INFO L93 Difference]: Finished difference Result 579 states and 678 transitions. [2020-09-25 12:11:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 12:11:49,103 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-09-25 12:11:49,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:11:49,125 INFO L225 Difference]: With dead ends: 579 [2020-09-25 12:11:49,126 INFO L226 Difference]: Without dead ends: 356 [2020-09-25 12:11:49,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:11:49,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-09-25 12:11:49,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 308. [2020-09-25 12:11:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-09-25 12:11:49,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 337 transitions. [2020-09-25 12:11:49,278 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 337 transitions. Word has length 160 [2020-09-25 12:11:49,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:11:49,279 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 337 transitions. [2020-09-25 12:11:49,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 12:11:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 337 transitions. [2020-09-25 12:11:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-25 12:11:49,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:49,285 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] [2020-09-25 12:11:49,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:11:49,286 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:49,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:49,287 INFO L82 PathProgramCache]: Analyzing trace with hash -2117137361, now seen corresponding path program 1 times [2020-09-25 12:11:49,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:49,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160639643] [2020-09-25 12:11:49,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:49,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:49,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:49,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:50,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:54,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:54,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:54,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-09-25 12:11:54,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:11:54,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5166 [2020-09-25 12:11:54,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:54,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:54,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:11:54,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 12:11:54,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-09-25 12:11:54,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:54,897 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:11:54,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:54,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:11:55,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-25 12:11:55,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 12:11:55,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:11:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:55,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:11:55,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:55,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:11:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:55,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:55,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:55,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:11:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:55,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:11:55,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:11:55,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:11:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:55,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:55,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:55,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:11:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:55,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:55,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:11:55,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:11:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:11:55,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:11:55,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:11:55,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:11:55,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:55,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:55,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:55,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:11:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 12:11:55,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:11:55,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 12:11:55,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:11:55,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:11:55,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 12:11:55,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:11:55,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:11:55,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 12:11:55,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 12:11:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:11:55,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 12:11:55,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:11:55,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:11:55,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 12:11:55,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:11:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:11:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:11:55,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 12:11:55,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:55,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:55,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:55,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 12:11:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:55,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:55,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:55,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:55,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 12:11:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:55,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:55,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:55,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:55,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:55,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:11:55,561 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 12:11:55,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160639643] [2020-09-25 12:11:55,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:11:55,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:11:55,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569749972] [2020-09-25 12:11:55,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:11:55,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:11:55,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:11:55,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:11:55,576 INFO L87 Difference]: Start difference. First operand 308 states and 337 transitions. Second operand 8 states. [2020-09-25 12:11:56,141 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:11:58,242 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:59,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:11:59,438 INFO L93 Difference]: Finished difference Result 749 states and 889 transitions. [2020-09-25 12:11:59,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 12:11:59,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 188 [2020-09-25 12:11:59,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:11:59,445 INFO L225 Difference]: With dead ends: 749 [2020-09-25 12:11:59,445 INFO L226 Difference]: Without dead ends: 556 [2020-09-25 12:11:59,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-09-25 12:11:59,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2020-09-25 12:11:59,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 470. [2020-09-25 12:11:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-09-25 12:11:59,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 522 transitions. [2020-09-25 12:11:59,526 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 522 transitions. Word has length 188 [2020-09-25 12:11:59,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:11:59,527 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 522 transitions. [2020-09-25 12:11:59,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:11:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 522 transitions. [2020-09-25 12:11:59,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-25 12:11:59,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:59,531 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] [2020-09-25 12:11:59,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:11:59,532 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:59,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:59,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1253697381, now seen corresponding path program 1 times [2020-09-25 12:11:59,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:59,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57976736] [2020-09-25 12:11:59,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:59,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:59,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:00,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:00,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:01,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:01,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 12:12:04,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 12:12:04,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 12:12:04,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-25 12:12:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 12:12:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-09-25 12:12:04,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,967 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:12:04,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:05,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-25 12:12:05,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 12:12:05,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:05,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:12:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:05,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:05,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:05,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:05,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:12:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:05,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:05,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:05,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:12:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:05,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:12:05,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:05,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:12:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:05,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:05,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:05,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:05,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:12:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:05,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:05,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:12:05,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 12:12:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:12:05,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:12:05,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:12:05,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:05,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:05,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:05,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:05,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:12:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 12:12:05,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:12:05,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-09-25 12:12:05,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:12:05,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:12:05,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 12:12:05,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 12:12:05,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:12:05,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-09-25 12:12:05,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:12:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 12:12:05,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 12:12:05,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 12:12:05,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:12:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:12:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 12:12:05,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:12:05,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:12:05,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 12:12:05,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:12:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:12:05,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:05,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:05,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:12:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:05,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:05,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:05,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 12:12:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:05,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:05,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:05,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 12:12:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:05,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:12:05,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:05,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,966 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 12:12:05,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57976736] [2020-09-25 12:12:05,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:12:05,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:12:05,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932522944] [2020-09-25 12:12:05,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:12:05,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:12:05,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:12:05,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:12:05,970 INFO L87 Difference]: Start difference. First operand 470 states and 522 transitions. Second operand 10 states. [2020-09-25 12:12:06,509 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:12:07,289 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:12:07,630 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:12:09,109 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:12:09,420 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:12:09,795 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:10,280 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:12:10,598 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:12:10,930 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:12:11,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:12:11,966 INFO L93 Difference]: Finished difference Result 900 states and 1048 transitions. [2020-09-25 12:12:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 12:12:11,968 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2020-09-25 12:12:11,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:12:11,973 INFO L225 Difference]: With dead ends: 900 [2020-09-25 12:12:11,973 INFO L226 Difference]: Without dead ends: 545 [2020-09-25 12:12:11,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 12:12:11,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-09-25 12:12:12,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 469. [2020-09-25 12:12:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-09-25 12:12:12,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 519 transitions. [2020-09-25 12:12:12,039 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 519 transitions. Word has length 203 [2020-09-25 12:12:12,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:12:12,040 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 519 transitions. [2020-09-25 12:12:12,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:12:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 519 transitions. [2020-09-25 12:12:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 12:12:12,044 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:12:12,044 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, 1, 1, 1, 1, 1] [2020-09-25 12:12:12,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:12:12,045 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:12:12,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:12:12,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1974370414, now seen corresponding path program 1 times [2020-09-25 12:12:12,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:12:12,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519034213] [2020-09-25 12:12:12,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:12:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:12,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:12,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:12,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-25 12:12:12,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:12,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 883 [2020-09-25 12:12:12,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:12,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:12,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-09-25 12:12:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:12,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,247 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:12:13,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:13,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 12:12:13,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:13,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:12:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:13,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:13,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:13,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:12:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:13,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:12:13,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:13,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:12:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:13,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:12:13,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:12:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:13,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:13,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:13,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:12:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:13,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:13,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:13,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:12:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:12:13,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:13,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:13,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:13,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:13,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:12:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:13,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 12:12:13,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 12:12:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:13,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 12:12:13,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 12:12:13,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:13,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 12:12:13,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:13,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 12:12:13,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 12:12:13,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:12:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:13,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:12:13,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 12:12:13,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:12:13,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:12:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:12:13,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:13,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:12:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 12:12:13,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:12:13,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 12:12:13,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 12:12:13,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:13,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:13,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:13,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:12:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:13,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:13,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 12:12:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:13,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:13,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:13,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:13,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 12:12:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:13,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:13,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:13,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:13,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:13,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:13,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:13,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:14,044 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 12:12:14,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519034213] [2020-09-25 12:12:14,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:12:14,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:12:14,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833924112] [2020-09-25 12:12:14,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:12:14,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:12:14,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:12:14,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:12:14,047 INFO L87 Difference]: Start difference. First operand 469 states and 519 transitions. Second operand 10 states. [2020-09-25 12:12:15,717 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:16,046 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:16,357 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:12:16,667 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:16,986 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:17,287 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:18,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:12:18,704 INFO L93 Difference]: Finished difference Result 903 states and 1058 transitions. [2020-09-25 12:12:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 12:12:18,705 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 235 [2020-09-25 12:12:18,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:12:18,712 INFO L225 Difference]: With dead ends: 903 [2020-09-25 12:12:18,712 INFO L226 Difference]: Without dead ends: 549 [2020-09-25 12:12:18,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 12:12:18,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-25 12:12:18,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 477. [2020-09-25 12:12:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-09-25 12:12:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 527 transitions. [2020-09-25 12:12:18,798 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 527 transitions. Word has length 235 [2020-09-25 12:12:18,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:12:18,799 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 527 transitions. [2020-09-25 12:12:18,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:12:18,799 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 527 transitions. [2020-09-25 12:12:18,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-25 12:12:18,804 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:12:18,804 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] [2020-09-25 12:12:18,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:12:18,805 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:12:18,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:12:18,805 INFO L82 PathProgramCache]: Analyzing trace with hash -691723819, now seen corresponding path program 1 times [2020-09-25 12:12:18,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:12:18,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363556753] [2020-09-25 12:12:18,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:12:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:18,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:18,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:20,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:20,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 12:12:20,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:12:20,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1543 [2020-09-25 12:12:20,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:20,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:20,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-09-25 12:12:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:20,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:20,686 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:12:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:20,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:20,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:20,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:20,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 12:12:20,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:20,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:20,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:20,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:20,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:20,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:12:20,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:12:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:20,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:20,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:20,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:20,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:20,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:20,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:20,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:20,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:20,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:20,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:20,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:20,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:12:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:20,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:20,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:20,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:20,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:20,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:20,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:20,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:20,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:20,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:20,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:20,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:20,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:12:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:20,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:20,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:20,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:20,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:20,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:20,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:20,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:20,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:20,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:20,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:12:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:20,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:20,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:20,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:20,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:20,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:20,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:20,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:20,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:20,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:20,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:20,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:12:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:20,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:20,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:20,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:20,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:20,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:20,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:20,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:20,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:20,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 12:12:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:20,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:20,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:20,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:12:20,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:20,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:20,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:20,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:20,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:20,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:20,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:20,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:20,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:20,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:20,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:20,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:20,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:20,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:20,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:20,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:20,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:12:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:20,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:20,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:20,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:20,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:21,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 12:12:21,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:21,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 12:12:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:21,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:21,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:21,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:21,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:21,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 12:12:21,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:21,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 12:12:21,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:21,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 12:12:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:21,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:21,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:21,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:21,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:21,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 12:12:21,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:21,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 12:12:21,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:21,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:21,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:21,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 12:12:21,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:21,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:21,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:21,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:21,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:21,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:12:21,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:21,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 12:12:21,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:21,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:21,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:21,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:12:21,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:21,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:21,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:12:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:21,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:21,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:21,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:12:21,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:21,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:12:21,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:21,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:21,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:12:21,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:21,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:21,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:12:21,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:12:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:21,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:21,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:21,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 12:12:21,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:12:21,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:21,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 12:12:21,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:21,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:21,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:21,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:21,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:21,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 12:12:21,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:21,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:21,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:21,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:21,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:21,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:21,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:21,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:21,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:21,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:21,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:21,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:21,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:21,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:21,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:21,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:12:21,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:12:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:21,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:21,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:21,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:21,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:21,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:21,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:21,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:21,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:12:21,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 12:12:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:21,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:21,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:21,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:21,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:21,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:21,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:21,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:21,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:21,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-25 12:12:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:21,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:21,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:21,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:21,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:21,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:21,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:21,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:21,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:21,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:21,513 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 12:12:21,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363556753] [2020-09-25 12:12:21,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:12:21,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:12:21,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322957708] [2020-09-25 12:12:21,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:12:21,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:12:21,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:12:21,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:12:21,517 INFO L87 Difference]: Start difference. First operand 477 states and 527 transitions. Second operand 9 states. [2020-09-25 12:12:23,052 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:12:23,357 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:12:23,688 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:24,010 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:24,357 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 190