/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=DEEPEST --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_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:50:03,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:50:03,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:50:03,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:50:03,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:50:03,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:50:03,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:50:03,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:50:03,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:50:03,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:50:03,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:50:03,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:50:03,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:50:03,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:50:03,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:50:03,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:50:03,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:50:03,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:50:03,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:50:03,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:50:03,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:50:03,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:50:03,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:50:03,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:50:03,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:50:03,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:50:03,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:50:03,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:50:03,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:50:03,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:50:03,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:50:03,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:50:03,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:50:03,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:50:03,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:50:03,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:50:03,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:50:03,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:50:03,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:50:03,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:50:03,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:50:03,209 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 00:50:03,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:50:03,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:50:03,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:50:03,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:50:03,237 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:50:03,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:50:03,238 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:50:03,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:50:03,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:50:03,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:50:03,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:50:03,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:50:03,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:50:03,239 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:50:03,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:50:03,240 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:50:03,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:50:03,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:50:03,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:50:03,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:50:03,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:50:03,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:50:03,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:50:03,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:50:03,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:50:03,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:50:03,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:50:03,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:50:03,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:50:03,243 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:50:03,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:50:03,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:50:03,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:50:03,747 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:50:03,748 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:50:03,749 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-25 00:50:03,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8cd69a94/3d9766cd52524e729cc6f6305ff2b0ce/FLAGcf5792fe5 [2020-09-25 00:50:04,536 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:50:04,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-25 00:50:04,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8cd69a94/3d9766cd52524e729cc6f6305ff2b0ce/FLAGcf5792fe5 [2020-09-25 00:50:04,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8cd69a94/3d9766cd52524e729cc6f6305ff2b0ce [2020-09-25 00:50:04,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:50:04,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:50:04,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:50:04,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:50:04,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:50:04,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:50:04" (1/1) ... [2020-09-25 00:50:04,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:04, skipping insertion in model container [2020-09-25 00:50:04,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:50:04" (1/1) ... [2020-09-25 00:50:04,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:50:04,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:50:05,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:50:05,354 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:50:05,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:50:05,500 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:50:05,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:05 WrapperNode [2020-09-25 00:50:05,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:50:05,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:50:05,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:50:05,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:50:05,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:05" (1/1) ... [2020-09-25 00:50:05,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:05" (1/1) ... [2020-09-25 00:50:05,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:05" (1/1) ... [2020-09-25 00:50:05,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:05" (1/1) ... [2020-09-25 00:50:05,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:05" (1/1) ... [2020-09-25 00:50:05,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:05" (1/1) ... [2020-09-25 00:50:05,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:05" (1/1) ... [2020-09-25 00:50:05,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:50:05,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:50:05,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:50:05,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:50:05,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:05" (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 00:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:50:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:50:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 00:50:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:50:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 00:50:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:50:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:50:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:50:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:50:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:50:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:50:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 00:50:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 00:50:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:50:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:50:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:50:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:50:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:50:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:50:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:50:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:50:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:50:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:50:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:50:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:50:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:50:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:50:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:50:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:50:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:50:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 00:50:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:50:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:50:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:50:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:50:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:50:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:50:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:50:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:50:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:50:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:50:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:50:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:50:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:50:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:50:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:50:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:50:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:50:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 00:50:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:50:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:50:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:50:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:50:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:50:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 00:50:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:50:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:50:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:50:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:50:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:50:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:50:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 00:50:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 00:50:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:50:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 00:50:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:50:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:50:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:50:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:50:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:50:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:50:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:50:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:50:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:50:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:50:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:50:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:50:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:50:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:50:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:50:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:50:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:50:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:50:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:50:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:50:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:50:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:50:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:50:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:50:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:50:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:50:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:50:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:50:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:50:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:50:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:50:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:50:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:50:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:50:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:50:06,918 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:50:06,919 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:50:06,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:50:06 BoogieIcfgContainer [2020-09-25 00:50:06,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:50:06,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:50:06,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:50:06,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:50:06,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:50:04" (1/3) ... [2020-09-25 00:50:06,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60110456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:50:06, skipping insertion in model container [2020-09-25 00:50:06,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:05" (2/3) ... [2020-09-25 00:50:06,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60110456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:50:06, skipping insertion in model container [2020-09-25 00:50:06,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:50:06" (3/3) ... [2020-09-25 00:50:06,936 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2020-09-25 00:50:06,948 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:50:06,960 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:50:06,983 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:50:07,015 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:50:07,015 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:50:07,015 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:50:07,015 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:50:07,016 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:50:07,016 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:50:07,016 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:50:07,016 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:50:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2020-09-25 00:50:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 00:50:07,068 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:50:07,070 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 00:50:07,070 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:50:07,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:50:07,079 INFO L82 PathProgramCache]: Analyzing trace with hash -593535945, now seen corresponding path program 1 times [2020-09-25 00:50:07,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:50:07,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769985234] [2020-09-25 00:50:07,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:50:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:07,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:07,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:09,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:09,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:12,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:12,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:12,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 00:50:12,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:50:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 00:50:12,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:50:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-25 00:50:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:50:12,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 00:50:13,146 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:50:13,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:13,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-25 00:50:13,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:13,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:50:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:13,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 00:50:13,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:13,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:13,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:50:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:13,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:13,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:50:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:13,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:13,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:13,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:50:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:13,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:13,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:13,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:13,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:50:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:13,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:13,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:13,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:13,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:50:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:50:13,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:13,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:13,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:13,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:13,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:13,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:13,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 00:50:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:13,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:13,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:13,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:50:13,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:13,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:50:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:13,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:50:13,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:50:13,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:13,600 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 00:50:13,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769985234] [2020-09-25 00:50:13,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:50:13,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:50:13,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442326288] [2020-09-25 00:50:13,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:50:13,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:50:13,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:50:13,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:50:13,646 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 9 states. [2020-09-25 00:50:14,358 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:15,153 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:15,449 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:50:17,042 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:17,367 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:17,709 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:18,121 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:18,446 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:50:18,769 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:19,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:50:19,902 INFO L93 Difference]: Finished difference Result 719 states and 862 transitions. [2020-09-25 00:50:19,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 00:50:19,909 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 00:50:19,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:50:19,933 INFO L225 Difference]: With dead ends: 719 [2020-09-25 00:50:19,933 INFO L226 Difference]: Without dead ends: 480 [2020-09-25 00:50:19,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 00:50:19,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-25 00:50:20,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 432. [2020-09-25 00:50:20,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-09-25 00:50:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 482 transitions. [2020-09-25 00:50:20,094 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 482 transitions. Word has length 160 [2020-09-25 00:50:20,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:50:20,095 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 482 transitions. [2020-09-25 00:50:20,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:50:20,095 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 482 transitions. [2020-09-25 00:50:20,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-09-25 00:50:20,103 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:50:20,104 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:50:20,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:50:20,105 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:50:20,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:50:20,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1610877937, now seen corresponding path program 1 times [2020-09-25 00:50:20,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:50:20,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636650753] [2020-09-25 00:50:20,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:50:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:20,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:20,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:20,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:20,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:21,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-09-25 00:50:25,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:50:25,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 00:50:25,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 00:50:25,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-09-25 00:50:25,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-25 00:50:25,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:25,559 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:50:25,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:25,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 00:50:25,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:25,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:25,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:25,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:50:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:25,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:50:25,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:25,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:25,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:25,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:50:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:25,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:25,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:25,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:25,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:50:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:25,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:50:25,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:25,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:25,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:50:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:25,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:25,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:25,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:25,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:50:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:25,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:25,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:25,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:25,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:50:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 00:50:25,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 00:50:25,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:50:25,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 00:50:25,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:25,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:50:25,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:25,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:25,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:25,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:25,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:25,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:25,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:25,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:25,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:50:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:50:25,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:50:25,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:50:25,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:50:25,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:25,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:25,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:50:25,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:50:25,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:50:25,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:25,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 00:50:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:50:25,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:25,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:25,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:50:25,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:25,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:25,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:25,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:25,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:25,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:25,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:25,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:25,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:25,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:25,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:50:26,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 00:50:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:26,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:26,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:26,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:50:26,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-09-25 00:50:26,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:26,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:50:26,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:50:26,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:50:26,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:26,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:26,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:26,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:50:26,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:26,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 00:50:26,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:50:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 00:50:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:50:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:26,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:26,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:26,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:50:26,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:26,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 00:50:26,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:26,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:50:26,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:50:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:50:26,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:50:26,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:26,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:26,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:50:26,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:26,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 00:50:26,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:26,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:26,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:26,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:50:26,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:26,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:50:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:26,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:26,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:50:26,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:26,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:50:26,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:26,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:26,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:26,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:26,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:26,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:50:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:26,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:26,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:50:26,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:26,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 00:50:26,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:26,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:26,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:50:26,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:26,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:26,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:26,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:26,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:50:26,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:26,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:26,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:26,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:26,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:26,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:26,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:26,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:26,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:26,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:26,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:26,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:26,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:26,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:26,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:26,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:26,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:50:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:26,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:26,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:26,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:26,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:26,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:26,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:26,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:26,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:26,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:26,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-25 00:50:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:26,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:26,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:26,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:26,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:26,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:26,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:26,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:26,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:26,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:26,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-25 00:50:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:26,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:26,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:26,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:26,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:26,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:26,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:26,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:26,730 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 00:50:26,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636650753] [2020-09-25 00:50:26,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:50:26,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-25 00:50:26,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350249497] [2020-09-25 00:50:26,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-25 00:50:26,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:50:26,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-25 00:50:26,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:50:26,740 INFO L87 Difference]: Start difference. First operand 432 states and 482 transitions. Second operand 17 states. [2020-09-25 00:50:27,858 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:29,224 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:29,565 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:29,937 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:30,336 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:30,712 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:31,065 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:31,765 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:32,104 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:32,480 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:50:32,895 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:33,230 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:33,572 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:33,901 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:34,229 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:50:34,587 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:50:34,958 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 00:50:35,295 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:50:35,666 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:36,007 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:36,354 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:36,765 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:37,098 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:50:37,445 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:37,768 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:38,732 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:39,166 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:50:39,594 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:40,026 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:50:41,005 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:41,380 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:50:41,738 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 00:50:42,130 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:42,509 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:50:42,855 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:46,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:50:46,658 INFO L93 Difference]: Finished difference Result 1428 states and 1936 transitions. [2020-09-25 00:50:46,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-09-25 00:50:46,658 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 262 [2020-09-25 00:50:46,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:50:46,673 INFO L225 Difference]: With dead ends: 1428 [2020-09-25 00:50:46,673 INFO L226 Difference]: Without dead ends: 1111 [2020-09-25 00:50:46,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 811 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=640, Invalid=2782, Unknown=0, NotChecked=0, Total=3422 [2020-09-25 00:50:46,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2020-09-25 00:50:46,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 927. [2020-09-25 00:50:46,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2020-09-25 00:50:46,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1149 transitions. [2020-09-25 00:50:46,840 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1149 transitions. Word has length 262 [2020-09-25 00:50:46,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:50:46,841 INFO L479 AbstractCegarLoop]: Abstraction has 927 states and 1149 transitions. [2020-09-25 00:50:46,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-25 00:50:46,841 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1149 transitions. [2020-09-25 00:50:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-09-25 00:50:46,848 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:50:46,849 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:50:46,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:50:46,849 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:50:46,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:50:46,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2006146296, now seen corresponding path program 1 times [2020-09-25 00:50:46,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:50:46,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781731132] [2020-09-25 00:50:46,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:50:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:46,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:47,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:47,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:47,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:51,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:51,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-09-25 00:50:51,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:50:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 00:50:51,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248 [2020-09-25 00:50:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:50:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:52,318 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:50:52,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:52,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 00:50:52,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:50:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:52,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:50:52,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:50:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:52,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:52,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:50:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:52,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:52,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:50:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:52,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:52,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:50:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:52,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:52,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:52,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:50:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 00:50:52,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:52,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:50:52,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:52,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:52,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:52,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:50:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 00:50:52,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:50:52,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:52,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:52,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 00:50:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:52,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:52,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-25 00:50:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:50:52,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:52,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:52,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:52,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:52,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 00:50:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:52,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 00:50:52,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:52,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 00:50:52,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:50:52,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:50:52,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 00:50:52,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:52,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 00:50:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:50:52,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:52,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:52,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:52,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:50:52,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:52,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 00:50:52,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:52,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:50:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:50:52,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:52,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:53,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:53,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:53,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:50:53,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:53,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 00:50:53,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:53,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:53,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:50:53,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:50:53,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:53,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:50:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:53,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:53,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:53,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:50:53,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:53,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 00:50:53,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:50:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:50:53,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:53,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:50:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:53,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:53,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:53,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:50:53,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:53,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 00:50:53,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:50:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:53,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:53,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:53,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:53,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:53,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:50:53,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:53,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:50:53,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:53,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:53,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:53,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:53,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:53,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:53,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:53,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:53,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:53,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:53,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:53,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:53,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:50:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:53,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:53,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:53,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:53,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:53,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:53,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:53,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-25 00:50:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:53,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:53,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:53,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:53,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:53,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:53,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:53,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:53,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-25 00:50:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:53,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:53,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:53,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:53,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:53,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:53,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:53,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:53,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-09-25 00:50:53,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781731132] [2020-09-25 00:50:53,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:50:53,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 00:50:53,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662011057] [2020-09-25 00:50:53,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:50:53,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:50:53,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:50:53,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:50:53,383 INFO L87 Difference]: Start difference. First operand 927 states and 1149 transitions. Second operand 10 states. [2020-09-25 00:50:54,923 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:55,248 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:55,561 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:55,892 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:56,193 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:57,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:50:57,463 INFO L93 Difference]: Finished difference Result 1863 states and 2491 transitions. [2020-09-25 00:50:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 00:50:57,463 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 272 [2020-09-25 00:50:57,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:50:57,476 INFO L225 Difference]: With dead ends: 1863 [2020-09-25 00:50:57,476 INFO L226 Difference]: Without dead ends: 1051 [2020-09-25 00:50:57,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-09-25 00:50:57,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2020-09-25 00:50:57,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 881. [2020-09-25 00:50:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2020-09-25 00:50:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1084 transitions. [2020-09-25 00:50:57,616 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1084 transitions. Word has length 272 [2020-09-25 00:50:57,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:50:57,617 INFO L479 AbstractCegarLoop]: Abstraction has 881 states and 1084 transitions. [2020-09-25 00:50:57,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:50:57,618 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1084 transitions. [2020-09-25 00:50:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-09-25 00:50:57,627 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:50:57,628 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:50:57,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:50:57,628 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:50:57,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:50:57,629 INFO L82 PathProgramCache]: Analyzing trace with hash -182867648, now seen corresponding path program 1 times [2020-09-25 00:50:57,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:50:57,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295881716] [2020-09-25 00:50:57,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY