/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=0.5 --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_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:26:27,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:26:27,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:26:27,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:26:27,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:26:27,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:26:27,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:26:27,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:26:27,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:26:27,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:26:27,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:26:27,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:26:27,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:26:27,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:26:27,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:26:27,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:26:27,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:26:27,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:26:27,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:26:27,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:26:27,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:26:27,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:26:27,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:26:27,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:26:27,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:26:27,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:26:27,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:26:27,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:26:27,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:26:27,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:26:27,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:26:27,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:26:27,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:26:27,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:26:27,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:26:27,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:26:27,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:26:27,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:26:27,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:26:27,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:26:27,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:26:27,234 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 14:26:27,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:26:27,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:26:27,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:26:27,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:26:27,263 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:26:27,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:26:27,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:26:27,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:26:27,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:26:27,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:26:27,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:26:27,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:26:27,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:26:27,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:26:27,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:26:27,266 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:26:27,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:26:27,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:26:27,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:26:27,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:26:27,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:26:27,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:26:27,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:26:27,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:26:27,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:26:27,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:26:27,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:26:27,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:26:27,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:26:27,269 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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true; [2020-09-25 14:26:27,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:26:27,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:26:27,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:26:27,748 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:26:27,749 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:26:27,750 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-09-25 14:26:27,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a8f80294/4880db0339504ca7b63e4f7d7c469f73/FLAG21f06e4f5 [2020-09-25 14:26:28,456 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:26:28,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-09-25 14:26:28,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a8f80294/4880db0339504ca7b63e4f7d7c469f73/FLAG21f06e4f5 [2020-09-25 14:26:28,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a8f80294/4880db0339504ca7b63e4f7d7c469f73 [2020-09-25 14:26:28,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:26:28,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:26:28,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:26:28,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:26:28,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:26:28,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:26:28" (1/1) ... [2020-09-25 14:26:28,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191a9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:28, skipping insertion in model container [2020-09-25 14:26:28,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:26:28" (1/1) ... [2020-09-25 14:26:28,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:26:28,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:26:29,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:26:29,334 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:26:29,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:26:29,457 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:26:29,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:29 WrapperNode [2020-09-25 14:26:29,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:26:29,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:26:29,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:26:29,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:26:29,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:29" (1/1) ... [2020-09-25 14:26:29,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:29" (1/1) ... [2020-09-25 14:26:29,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:29" (1/1) ... [2020-09-25 14:26:29,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:29" (1/1) ... [2020-09-25 14:26:29,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:29" (1/1) ... [2020-09-25 14:26:29,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:29" (1/1) ... [2020-09-25 14:26:29,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:29" (1/1) ... [2020-09-25 14:26:29,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:26:29,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:26:29,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:26:29,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:26:29,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:29" (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 14:26:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:26:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:26:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:26:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:26:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:26:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:26:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:26:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:26:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:26:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:26:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:26:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:26:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:26:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:26:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:26:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:26:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:26:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:26:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:26:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:26:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:26:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:26:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:26:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:26:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:26:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:26:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 14:26:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 14:26:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:26:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:26:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 14:26:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 14:26:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:26:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:26:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:26:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:26:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:26:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:26:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 14:26:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 14:26:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 14:26:29,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:26:29,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:26:29,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:26:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:26:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:26:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:26:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:26:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:26:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:26:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:26:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:26:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:26:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:26:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:26:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:26:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:26:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:26:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:26:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:26:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:26:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:26:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:26:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:26:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:26:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:26:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:26:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:26:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:26:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:26:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:26:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:26:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:26:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:26:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:26:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:26:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:26:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:26:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:26:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:26:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 14:26:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:26:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:26:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:26:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:26:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 14:26:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 14:26:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:26:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:26:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:26:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:26:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:26:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:26:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:26:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 14:26:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 14:26:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 14:26:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 14:26:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:26:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:26:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:26:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:26:30,925 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:26:30,926 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:26:30,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:26:30 BoogieIcfgContainer [2020-09-25 14:26:30,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:26:30,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:26:30,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:26:30,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:26:30,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:26:28" (1/3) ... [2020-09-25 14:26:30,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d30eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:26:30, skipping insertion in model container [2020-09-25 14:26:30,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:29" (2/3) ... [2020-09-25 14:26:30,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d30eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:26:30, skipping insertion in model container [2020-09-25 14:26:30,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:26:30" (3/3) ... [2020-09-25 14:26:30,957 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2020-09-25 14:26:30,972 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:26:30,987 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:26:31,013 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:26:31,052 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:26:31,053 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:26:31,053 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:26:31,054 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:26:31,054 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:26:31,054 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:26:31,055 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:26:31,056 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:26:31,101 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states. [2020-09-25 14:26:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 14:26:31,142 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:31,144 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 14:26:31,144 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:31,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:31,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1837457757, now seen corresponding path program 1 times [2020-09-25 14:26:31,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:31,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384845192] [2020-09-25 14:26:31,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:31,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:31,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:33,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:33,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:36,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:36,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:36,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 14:26:36,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:26:36,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5074 [2020-09-25 14:26:36,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:36,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:26:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 14:26:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 14:26:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 14:26:37,251 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:37,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:37,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:37,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:37,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:37,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-09-25 14:26:37,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:37,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:37,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 14:26:37,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:37,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:37,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:37,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:37,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:37,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 14:26:37,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:37,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:37,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:37,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:37,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:37,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:37,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:37,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:37,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:37,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:37,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:37,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:37,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:37,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:37,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:37,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:37,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:37,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:37,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:37,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:37,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:37,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:26:37,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:37,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:37,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:37,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:37,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:37,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:37,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:37,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:37,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:37,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:26:37,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:37,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:37,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:37,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:37,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:37,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:37,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:37,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:26:37,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:37,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:37,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:37,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:37,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:37,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:37,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:26:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:37,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:37,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:37,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:37,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:37,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:37,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:37,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:37,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:37,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:26:37,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:37,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:37,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:37,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:37,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:37,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:37,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:37,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:37,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:37,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:26:37,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 14:26:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:37,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:37,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:37,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:37,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:37,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:37,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:37,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:37,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 14:26:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:37,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:37,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:37,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:37,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:37,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:37,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:37,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:37,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:37,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:37,899 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 14:26:37,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384845192] [2020-09-25 14:26:37,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:37,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:26:37,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388276476] [2020-09-25 14:26:37,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:26:37,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:37,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:26:37,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:26:37,938 INFO L87 Difference]: Start difference. First operand 356 states. Second operand 6 states. [2020-09-25 14:26:38,624 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:26:39,772 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:41,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:41,941 INFO L93 Difference]: Finished difference Result 895 states and 1075 transitions. [2020-09-25 14:26:41,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 14:26:41,944 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 14:26:41,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:41,968 INFO L225 Difference]: With dead ends: 895 [2020-09-25 14:26:41,968 INFO L226 Difference]: Without dead ends: 651 [2020-09-25 14:26:41,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:26:41,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-09-25 14:26:42,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 577. [2020-09-25 14:26:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2020-09-25 14:26:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 658 transitions. [2020-09-25 14:26:42,221 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 658 transitions. Word has length 160 [2020-09-25 14:26:42,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:42,224 INFO L479 AbstractCegarLoop]: Abstraction has 577 states and 658 transitions. [2020-09-25 14:26:42,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:26:42,225 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 658 transitions. [2020-09-25 14:26:42,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 14:26:42,238 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:42,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:26:42,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:26:42,239 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:42,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:42,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1355492901, now seen corresponding path program 1 times [2020-09-25 14:26:42,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:42,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493358235] [2020-09-25 14:26:42,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:42,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:42,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:42,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:47,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 14:26:47,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:26:47,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5076 [2020-09-25 14:26:47,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:47,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 14:26:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:26:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-25 14:26:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:47,736 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:47,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:47,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:48,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-25 14:26:48,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:26:48,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:48,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:48,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:48,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:48,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:48,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:48,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:48,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:48,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:26:48,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:48,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:48,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:48,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:48,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:48,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:48,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:48,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:48,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:48,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:48,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 14:26:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:48,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:26:48,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:26:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:48,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:48,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:48,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:26:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 14:26:48,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:26:48,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 14:26:48,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:26:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 14:26:48,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:26:48,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:26:48,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 14:26:48,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 14:26:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:26:48,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:26:48,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:26:48,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 14:26:48,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:48,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:48,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:48,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 14:26:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:48,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:48,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:48,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:48,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:48,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 14:26:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:48,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:48,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:48,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:48,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:48,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:48,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:48,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:48,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:48,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:48,289 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 14:26:48,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493358235] [2020-09-25 14:26:48,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:48,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:26:48,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241897672] [2020-09-25 14:26:48,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:26:48,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:48,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:26:48,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:26:48,296 INFO L87 Difference]: Start difference. First operand 577 states and 658 transitions. Second operand 8 states. [2020-09-25 14:26:48,846 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:26:50,771 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:52,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:52,196 INFO L93 Difference]: Finished difference Result 1491 states and 1847 transitions. [2020-09-25 14:26:52,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 14:26:52,197 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 179 [2020-09-25 14:26:52,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:52,207 INFO L225 Difference]: With dead ends: 1491 [2020-09-25 14:26:52,207 INFO L226 Difference]: Without dead ends: 1029 [2020-09-25 14:26:52,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-25 14:26:52,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-09-25 14:26:52,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 865. [2020-09-25 14:26:52,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2020-09-25 14:26:52,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 995 transitions. [2020-09-25 14:26:52,339 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 995 transitions. Word has length 179 [2020-09-25 14:26:52,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:52,340 INFO L479 AbstractCegarLoop]: Abstraction has 865 states and 995 transitions. [2020-09-25 14:26:52,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:26:52,340 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 995 transitions. [2020-09-25 14:26:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 14:26:52,343 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:52,343 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:26:52,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:26:52,343 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:52,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:52,344 INFO L82 PathProgramCache]: Analyzing trace with hash 163203770, now seen corresponding path program 1 times [2020-09-25 14:26:52,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:52,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024233404] [2020-09-25 14:26:52,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:52,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:52,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:53,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:55,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:57,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:57,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 14:26:57,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:26:57,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 14:26:57,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:57,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 14:26:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:26:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-25 14:26:57,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:57,750 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:57,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:57,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:58,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:58,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:58,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-25 14:26:58,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:58,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:26:58,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:58,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:58,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:58,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:58,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:58,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:58,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:58,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:58,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:58,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:58,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:58,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:58,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:58,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:58,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:58,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:58,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:58,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:58,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:58,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:58,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:58,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:58,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:58,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:58,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:26:58,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:58,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:58,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:58,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:58,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:58,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:58,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:58,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:58,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:58,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:58,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:58,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:58,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:58,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:58,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:58,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:58,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:58,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:58,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:26:58,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:58,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:58,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:58,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:58,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:58,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:58,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 14:26:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:58,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:58,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:26:58,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:26:58,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:26:58,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:58,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:58,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:26:58,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:58,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:26:58,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:58,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 14:26:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:58,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:58,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:58,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 14:26:58,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:58,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:26:58,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:58,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:58,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:58,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:58,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:58,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:58,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:58,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:58,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:58,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:58,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 14:26:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:58,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:58,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:58,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:58,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:58,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:58,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:58,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:58,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:58,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 14:26:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:58,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:58,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:58,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:58,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 14:26:58,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:58,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:58,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:58,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:58,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:58,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:58,475 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 14:26:58,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024233404] [2020-09-25 14:26:58,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:58,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:26:58,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684846580] [2020-09-25 14:26:58,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:26:58,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:58,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:26:58,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:26:58,485 INFO L87 Difference]: Start difference. First operand 865 states and 995 transitions. Second operand 11 states. [2020-09-25 14:26:59,153 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:00,246 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 14:27:00,818 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 14:27:02,265 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:27:02,623 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 14:27:03,029 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:03,483 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:03,824 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:27:04,159 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:05,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:27:05,508 INFO L93 Difference]: Finished difference Result 1759 states and 2117 transitions. [2020-09-25 14:27:05,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 14:27:05,509 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2020-09-25 14:27:05,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:27:05,520 INFO L225 Difference]: With dead ends: 1759 [2020-09-25 14:27:05,521 INFO L226 Difference]: Without dead ends: 1009 [2020-09-25 14:27:05,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2020-09-25 14:27:05,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2020-09-25 14:27:05,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 862. [2020-09-25 14:27:05,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-09-25 14:27:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 986 transitions. [2020-09-25 14:27:05,667 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 986 transitions. Word has length 179 [2020-09-25 14:27:05,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:27:05,669 INFO L479 AbstractCegarLoop]: Abstraction has 862 states and 986 transitions. [2020-09-25 14:27:05,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:27:05,670 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 986 transitions. [2020-09-25 14:27:05,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 14:27:05,674 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:27:05,675 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] [2020-09-25 14:27:05,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:27:05,675 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:27:05,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:27:05,676 INFO L82 PathProgramCache]: Analyzing trace with hash -733667790, now seen corresponding path program 1 times [2020-09-25 14:27:05,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:27:05,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [312054102] [2020-09-25 14:27:05,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:27:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:05,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:05,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:07,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:07,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 14:27:07,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:27:07,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1950 [2020-09-25 14:27:07,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:07,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-25 14:27:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:07,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:07,955 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:27:07,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:07,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:27:08,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 14:27:08,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:27:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:08,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:08,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:27:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:08,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:08,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:08,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:27:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:08,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:08,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:08,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:27:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:08,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:08,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:27:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:08,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:08,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:08,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 14:27:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:27:08,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:27:08,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:08,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:08,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:27:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 14:27:08,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 14:27:08,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:08,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 14:27:08,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:08,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:27:08,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 14:27:08,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 14:27:08,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 14:27:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:08,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 14:27:08,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 14:27:08,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:08,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 14:27:08,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:08,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:27:08,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 14:27:08,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:08,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:08,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 14:27:08,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:27:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:27:08,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:08,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:08,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:27:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:08,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:08,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 14:27:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 14:27:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:08,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:08,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:08,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:08,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 14:27:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:08,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:08,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:08,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:08,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:08,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:08,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:08,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:08,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:08,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:08,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:27:08,710 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 14:27:08,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [312054102] [2020-09-25 14:27:08,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:27:08,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:27:08,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169969604] [2020-09-25 14:27:08,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:27:08,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:27:08,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:27:08,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:27:08,715 INFO L87 Difference]: Start difference. First operand 862 states and 986 transitions. Second operand 10 states. [2020-09-25 14:27:10,341 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:27:10,685 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:27:11,049 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 14:27:11,394 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:27:11,774 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:27:12,110 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:27:13,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:27:13,346 INFO L93 Difference]: Finished difference Result 1757 states and 2093 transitions. [2020-09-25 14:27:13,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:27:13,353 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-09-25 14:27:13,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:27:13,361 INFO L225 Difference]: With dead ends: 1757 [2020-09-25 14:27:13,361 INFO L226 Difference]: Without dead ends: 1010 [2020-09-25 14:27:13,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:27:13,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2020-09-25 14:27:13,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 878. [2020-09-25 14:27:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-09-25 14:27:13,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1002 transitions. [2020-09-25 14:27:13,466 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1002 transitions. Word has length 204 [2020-09-25 14:27:13,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:27:13,467 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1002 transitions. [2020-09-25 14:27:13,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:27:13,467 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1002 transitions. [2020-09-25 14:27:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 14:27:13,471 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:27:13,471 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] [2020-09-25 14:27:13,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:27:13,472 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:27:13,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:27:13,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1415592178, now seen corresponding path program 1 times [2020-09-25 14:27:13,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:27:13,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802883491] [2020-09-25 14:27:13,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:27:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:13,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:14,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:14,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-25 14:27:14,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:14,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 813 [2020-09-25 14:27:14,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:14,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-25 14:27:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:14,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:27:14,613 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:27:14,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:14,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:14,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:14,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:27:14,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:14,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 14:27:14,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:14,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:14,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:14,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:14,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:14,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:14,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:27:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:14,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:14,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:14,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:14,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:14,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:14,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:14,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:14,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:14,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:27:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:14,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:14,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:14,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:14,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:14,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:14,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:14,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:14,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:14,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:14,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:14,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:14,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:27:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:14,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:14,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:14,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:14,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:14,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:14,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:14,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:14,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:14,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:14,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:27:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:14,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:14,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:14,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:14,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:14,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:27:14,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:14,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:14,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:14,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:14,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:27:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:14,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:14,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:14,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:14,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:14,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:27:14,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:14,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:14,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:14,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:27:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:14,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:14,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:14,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:27:14,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:14,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:14,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:14,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:14,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:14,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:14,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:14,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:14,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:14,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:14,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:14,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:14,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:14,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:27:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:14,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:14,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:14,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 14:27:14,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:14,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 14:27:14,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:14,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 14:27:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:14,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:14,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:14,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:15,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:15,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 14:27:15,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:15,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 14:27:15,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:15,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:15,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:15,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:27:15,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:15,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:15,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:15,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:15,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:15,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 14:27:15,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:15,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 14:27:15,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:15,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 14:27:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:15,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:15,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:15,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:15,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:15,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:27:15,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:15,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 14:27:15,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:15,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:15,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:15,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:27:15,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:15,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:27:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:15,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:15,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:15,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:27:15,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:15,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:27:15,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:15,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:15,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:27:15,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:15,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:27:15,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:15,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:27:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:15,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:15,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:15,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:15,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:15,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:15,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 14:27:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:15,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 14:27:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:15,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:15,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:15,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:15,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:15,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:15,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:15,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:15,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:15,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:15,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:15,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 14:27:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:15,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:15,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:15,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:15,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:15,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:15,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:15,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:15,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:15,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:15,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:15,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:15,346 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 14:27:15,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802883491] [2020-09-25 14:27:15,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:27:15,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:27:15,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149959196] [2020-09-25 14:27:15,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:27:15,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:27:15,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:27:15,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:27:15,349 INFO L87 Difference]: Start difference. First operand 878 states and 1002 transitions. Second operand 9 states.