/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=LOWLEXORDER --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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:28:18,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:28:18,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:28:18,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:28:18,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:28:18,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:28:18,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:28:18,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:28:18,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:28:18,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:28:18,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:28:18,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:28:18,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:28:18,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:28:18,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:28:18,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:28:18,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:28:18,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:28:18,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:28:18,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:28:18,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:28:18,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:28:18,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:28:18,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:28:18,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:28:18,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:28:18,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:28:18,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:28:18,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:28:18,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:28:18,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:28:18,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:28:18,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:28:18,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:28:18,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:28:18,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:28:18,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:28:18,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:28:18,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:28:18,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:28:18,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:28:18,170 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 [2020-09-24 21:28:18,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:28:18,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:28:18,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:28:18,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:28:18,198 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:28:18,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:28:18,198 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:28:18,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:28:18,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:28:18,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:28:18,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:28:18,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:28:18,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:28:18,200 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:28:18,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:28:18,200 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:28:18,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:28:18,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:28:18,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:28:18,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:28:18,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:28:18,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:28:18,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:28:18,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:28:18,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:28:18,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:28:18,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:28:18,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:28:18,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:28:18,203 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:28:18,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:28:18,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:28:18,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:28:18,681 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:28:18,681 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:28:18,682 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-24 21:28:18,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5de0e156/adf970e73f3b44b49154bf27542d8395/FLAGdbdf8c3b7 [2020-09-24 21:28:19,380 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:28:19,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-24 21:28:19,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5de0e156/adf970e73f3b44b49154bf27542d8395/FLAGdbdf8c3b7 [2020-09-24 21:28:19,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5de0e156/adf970e73f3b44b49154bf27542d8395 [2020-09-24 21:28:19,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:28:19,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:28:19,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:28:19,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:28:19,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:28:19,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:28:19" (1/1) ... [2020-09-24 21:28:19,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c86c800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:28:19, skipping insertion in model container [2020-09-24 21:28:19,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:28:19" (1/1) ... [2020-09-24 21:28:19,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:28:19,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:28:20,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:28:20,270 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:28:20,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:28:20,403 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:28:20,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:28:20 WrapperNode [2020-09-24 21:28:20,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:28:20,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:28:20,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:28:20,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:28:20,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:28:20" (1/1) ... [2020-09-24 21:28:20,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:28:20" (1/1) ... [2020-09-24 21:28:20,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:28:20" (1/1) ... [2020-09-24 21:28:20,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:28:20" (1/1) ... [2020-09-24 21:28:20,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:28:20" (1/1) ... [2020-09-24 21:28:20,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:28:20" (1/1) ... [2020-09-24 21:28:20,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:28:20" (1/1) ... [2020-09-24 21:28:20,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:28:20,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:28:20,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:28:20,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:28:20,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:28:20" (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 [2020-09-24 21:28:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:28:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:28:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 21:28:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 21:28:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 21:28:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 21:28:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 21:28:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 21:28:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 21:28:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 21:28:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 21:28:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 21:28:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 21:28:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 21:28:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 21:28:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 21:28:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 21:28:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 21:28:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 21:28:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 21:28:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 21:28:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:28:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 21:28:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 21:28:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 21:28:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 21:28:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 21:28:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 21:28:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 21:28:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 21:28:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 21:28:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 21:28:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 21:28:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 21:28:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 21:28:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 21:28:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 21:28:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 21:28:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 21:28:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 21:28:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 21:28:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 21:28:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:28:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:28:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 21:28:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 21:28:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 21:28:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 21:28:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 21:28:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 21:28:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 21:28:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 21:28:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 21:28:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 21:28:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 21:28:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 21:28:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 21:28:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 21:28:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 21:28:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 21:28:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 21:28:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 21:28:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 21:28:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 21:28:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:28:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 21:28:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 21:28:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 21:28:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 21:28:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 21:28:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 21:28:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 21:28:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 21:28:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 21:28:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 21:28:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 21:28:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:28:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 21:28:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:28:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:28:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 21:28:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:28:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:28:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:28:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:28:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 21:28:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:28:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 21:28:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 21:28:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:28:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 21:28:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 21:28:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 21:28:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 21:28:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 21:28:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:28:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:28:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:28:21,805 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:28:21,806 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 21:28:21,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:28:21 BoogieIcfgContainer [2020-09-24 21:28:21,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:28:21,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:28:21,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:28:21,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:28:21,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:28:19" (1/3) ... [2020-09-24 21:28:21,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e207283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:28:21, skipping insertion in model container [2020-09-24 21:28:21,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:28:20" (2/3) ... [2020-09-24 21:28:21,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e207283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:28:21, skipping insertion in model container [2020-09-24 21:28:21,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:28:21" (3/3) ... [2020-09-24 21:28:21,823 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-09-24 21:28:21,834 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:28:21,846 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:28:21,866 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:28:21,899 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:28:21,899 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:28:21,900 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:28:21,900 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:28:21,900 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:28:21,900 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:28:21,900 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:28:21,900 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:28:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-09-24 21:28:21,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 21:28:21,950 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:28:21,952 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] [2020-09-24 21:28:21,953 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:28:21,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:28:21,961 INFO L82 PathProgramCache]: Analyzing trace with hash 41211657, now seen corresponding path program 1 times [2020-09-24 21:28:21,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:28:21,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427738109] [2020-09-24 21:28:21,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:28:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:22,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:22,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:24,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:24,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:26,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:27,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:27,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 21:28:27,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 21:28:27,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-09-24 21:28:27,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:27,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 21:28:27,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 21:28:27,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 21:28:27,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-24 21:28:28,012 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:28:28,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:28:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:28,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:28,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:28,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 21:28:28,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:28,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-09-24 21:28:28,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:28,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:28,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:28,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 21:28:28,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:28,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 21:28:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:28,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:28,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:28,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:28,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:28,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:28:28,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:28:28,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:28,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 21:28:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:28,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:28,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:28,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:28,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:28,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:28:28,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:28,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:28:28,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:28,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 21:28:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:28,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:28,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:28,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:28,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:28,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:28:28,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:28:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:28,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 21:28:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:28,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:28,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:28,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:28:28,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:28:28,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:28,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 21:28:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:28,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:28,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:28,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:28:28,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:28,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:28:28,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:28:28,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:28,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 21:28:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:28,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:28,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:28,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 21:28:28,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:28,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:28:28,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 21:28:28,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:28,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:28:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:28,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:28,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:28,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:28,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:28,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:28,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:28,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:28,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:28,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:28,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:28,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 21:28:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:28,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:28,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:28,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:28,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:28,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:28:28,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:28:28,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:28,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 21:28:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:28,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:28,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:28,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:28,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:28,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:28:28,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:28:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:28:28,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 21:28:28,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427738109] [2020-09-24 21:28:28,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:28:28,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 21:28:28,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542181712] [2020-09-24 21:28:28,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 21:28:28,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:28:28,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 21:28:28,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 21:28:28,739 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 9 states. [2020-09-24 21:28:29,370 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:28:30,138 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:28:30,435 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:28:31,924 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:28:32,224 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:28:32,599 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:28:33,280 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:28:33,599 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:28:33,908 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:28:34,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:28:34,537 INFO L93 Difference]: Finished difference Result 652 states and 790 transitions. [2020-09-24 21:28:34,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 21:28:34,540 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 21:28:34,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:28:34,561 INFO L225 Difference]: With dead ends: 652 [2020-09-24 21:28:34,561 INFO L226 Difference]: Without dead ends: 442 [2020-09-24 21:28:34,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 21:28:34,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-09-24 21:28:34,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 393. [2020-09-24 21:28:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-09-24 21:28:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 440 transitions. [2020-09-24 21:28:34,708 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 440 transitions. Word has length 160 [2020-09-24 21:28:34,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:28:34,709 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 440 transitions. [2020-09-24 21:28:34,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 21:28:34,709 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 440 transitions. [2020-09-24 21:28:34,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-24 21:28:34,715 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:28:34,716 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:28:34,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:28:34,716 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:28:34,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:28:34,717 INFO L82 PathProgramCache]: Analyzing trace with hash 902461611, now seen corresponding path program 1 times [2020-09-24 21:28:34,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:28:34,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068202312] [2020-09-24 21:28:34,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:28:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:34,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:34,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:37,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-24 21:28:37,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:28:37,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2348 [2020-09-24 21:28:37,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:37,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:37,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 21:28:37,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 21:28:37,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:37,433 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:28:37,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:28:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:37,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:37,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 21:28:37,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:37,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 21:28:37,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:37,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:37,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:37,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:37,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:37,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 21:28:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:37,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:37,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:37,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:37,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:37,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:37,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:37,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:37,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:37,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:37,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 21:28:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:37,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:37,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:37,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:37,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:28:37,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:37,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:37,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:37,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 21:28:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:37,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:37,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:37,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:37,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:28:37,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:37,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:37,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 21:28:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:37,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:37,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:37,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:37,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:37,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:37,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:37,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:37,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:28:37,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 21:28:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:37,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:37,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:28:37,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:37,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:37,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:37,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:37,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:37,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:37,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:37,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 21:28:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:37,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:37,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 21:28:37,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:37,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:28:37,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 21:28:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:37,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:37,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:28:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:37,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:37,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:37,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:37,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:37,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:37,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:37,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:37,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:37,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:37,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 21:28:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:37,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:37,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 21:28:37,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:28:37,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-24 21:28:37,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:37,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:28:37,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 21:28:37,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:28:37,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:37,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:28:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:37,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:37,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:37,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 21:28:37,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:37,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-24 21:28:37,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:28:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 21:28:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:28:37,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:37,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:28:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:37,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:38,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:38,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 21:28:38,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:38,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 21:28:38,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:28:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 21:28:38,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:38,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:28:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:38,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:38,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:38,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:28:38,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:38,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:38,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:38,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:38,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:38,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 21:28:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:38,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:38,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:38,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 21:28:38,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:38,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:28:38,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:38,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:38,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 21:28:38,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:38,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:38,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:28:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:38,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:38,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:38,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:28:38,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:38,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:28:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:38,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:38,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:38,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:38,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:38,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:38,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:38,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:38,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:38,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:38,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:38,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 21:28:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:38,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:38,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:38,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:28:38,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:38,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:28:38,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:38,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:38,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:38,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 21:28:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:38,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:38,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:38,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:38,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:38,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:38,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:38,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:28:38,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:38,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:38,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 21:28:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:38,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:38,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:38,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:38,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:38,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:38,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:28:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:38,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 21:28:38,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068202312] [2020-09-24 21:28:38,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:28:38,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 21:28:38,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496360554] [2020-09-24 21:28:38,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 21:28:38,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:28:38,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 21:28:38,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-24 21:28:38,259 INFO L87 Difference]: Start difference. First operand 393 states and 440 transitions. Second operand 11 states. [2020-09-24 21:28:39,076 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:28:40,325 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:28:40,672 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 21:28:41,068 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 21:28:41,416 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:28:41,774 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 21:28:42,097 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:28:43,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:28:43,224 INFO L93 Difference]: Finished difference Result 735 states and 872 transitions. [2020-09-24 21:28:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 21:28:43,226 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 221 [2020-09-24 21:28:43,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:28:43,233 INFO L225 Difference]: With dead ends: 735 [2020-09-24 21:28:43,233 INFO L226 Difference]: Without dead ends: 457 [2020-09-24 21:28:43,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-09-24 21:28:43,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-09-24 21:28:43,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 390. [2020-09-24 21:28:43,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-09-24 21:28:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 429 transitions. [2020-09-24 21:28:43,297 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 429 transitions. Word has length 221 [2020-09-24 21:28:43,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:28:43,298 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 429 transitions. [2020-09-24 21:28:43,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 21:28:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 429 transitions. [2020-09-24 21:28:43,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 21:28:43,302 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:28:43,302 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:28:43,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:28:43,303 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:28:43,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:28:43,303 INFO L82 PathProgramCache]: Analyzing trace with hash 880367573, now seen corresponding path program 1 times [2020-09-24 21:28:43,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:28:43,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622724725] [2020-09-24 21:28:43,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:28:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:43,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:44,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:44,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 21:28:44,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:44,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 929 [2020-09-24 21:28:44,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:44,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:28:44,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-24 21:28:44,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:28:44,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:44,562 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:28:44,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:28:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:44,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:44,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:44,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 21:28:44,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:44,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-24 21:28:44,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:44,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:44,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 21:28:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:44,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:44,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:44,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:44,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:44,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:44,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:44,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:44,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:44,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:44,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:44,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 21:28:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:44,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:44,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:44,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:44,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:44,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:44,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:44,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:44,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 21:28:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:44,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:44,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:44,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:44,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:44,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:28:44,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:44,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 21:28:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:44,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:44,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:44,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:44,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:44,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:44,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:44,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:44,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:44,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:44,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:44,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 21:28:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:44,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:44,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:44,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:28:44,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:44,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:44,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:44,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:44,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 21:28:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:44,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:44,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:44,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 21:28:44,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:44,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:28:44,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:44,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:44,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:44,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:44,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:28:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:44,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:44,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:44,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:44,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:44,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:44,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:44,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:44,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:44,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:44,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:44,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 21:28:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:44,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:44,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:44,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 21:28:44,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:44,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 21:28:44,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:44,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:28:44,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 21:28:44,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:28:44,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:44,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:28:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:44,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:45,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:45,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 21:28:45,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:45,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-24 21:28:45,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:28:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 21:28:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:28:45,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:45,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:28:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:45,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:45,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:45,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 21:28:45,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:45,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 21:28:45,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:45,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:28:45,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 21:28:45,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:28:45,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:45,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:28:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:45,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:45,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:45,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:28:45,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:45,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:28:45,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:45,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:28:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:28:45,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:45,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 21:28:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:45,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:45,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:45,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 21:28:45,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:45,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:28:45,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:45,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 21:28:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:45,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:45,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:28:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:45,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:45,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:45,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:28:45,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:45,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:45,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:45,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:45,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:45,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:45,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:45,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:28:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:45,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:45,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:45,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:45,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:45,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:45,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:45,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:45,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:45,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 21:28:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:45,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:45,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:45,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:28:45,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:45,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:28:45,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:45,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:45,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:45,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:45,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:45,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 21:28:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:45,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:45,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:45,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:45,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:45,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:28:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:45,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:45,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 21:28:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:45,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:45,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:45,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:45,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:45,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:45,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:28:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:45,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:45,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 21:28:45,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622724725] [2020-09-24 21:28:45,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:28:45,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 21:28:45,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263976390] [2020-09-24 21:28:45,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 21:28:45,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:28:45,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 21:28:45,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 21:28:45,305 INFO L87 Difference]: Start difference. First operand 390 states and 429 transitions. Second operand 9 states. [2020-09-24 21:28:46,794 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:28:47,120 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 21:28:47,486 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:28:47,825 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 21:28:48,161 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:28:49,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:28:49,211 INFO L93 Difference]: Finished difference Result 736 states and 861 transitions. [2020-09-24 21:28:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 21:28:49,212 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2020-09-24 21:28:49,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:28:49,218 INFO L225 Difference]: With dead ends: 736 [2020-09-24 21:28:49,218 INFO L226 Difference]: Without dead ends: 461 [2020-09-24 21:28:49,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 21:28:49,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-09-24 21:28:49,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 396. [2020-09-24 21:28:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-09-24 21:28:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 435 transitions. [2020-09-24 21:28:49,275 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 435 transitions. Word has length 230 [2020-09-24 21:28:49,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:28:49,276 INFO L479 AbstractCegarLoop]: Abstraction has 396 states and 435 transitions. [2020-09-24 21:28:49,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 21:28:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 435 transitions. [2020-09-24 21:28:49,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 21:28:49,280 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:28:49,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:28:49,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:28:49,281 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:28:49,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:28:49,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1607472850, now seen corresponding path program 1 times [2020-09-24 21:28:49,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:28:49,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450878881] [2020-09-24 21:28:49,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:28:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:49,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:50,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:50,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 21:28:50,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:50,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1543 [2020-09-24 21:28:50,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 21:28:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 21:28:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 21:28:50,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:51,351 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:28:51,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:28:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 21:28:51,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-09-24 21:28:51,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 21:28:51,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:51,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 21:28:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:51,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:28:51,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:28:51,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:51,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 21:28:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:51,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:51,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:28:51,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:51,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 21:28:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:51,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:28:51,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:28:51,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:51,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 21:28:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:28:51,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:51,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:28:51,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:51,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 21:28:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:28:51,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:28:51,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:28:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:51,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 21:28:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 21:28:51,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:28:51,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 21:28:51,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:51,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:28:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:51,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:28:51,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:51,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:51,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 21:28:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 21:28:51,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 21:28:51,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:28:51,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 21:28:51,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:51,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:28:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 21:28:51,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 21:28:51,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 21:28:51,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:51,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:28:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 21:28:51,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:28:51,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:28:51,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:28:51,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:28:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:28:51,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:28:51,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 21:28:51,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 21:28:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 21:28:51,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 21:28:51,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:28:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:51,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 21:28:51,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:51,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:28:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:51,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:51,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:51,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:28:51,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:51,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:28:51,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:52,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:52,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:52,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:28:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:52,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:52,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:52,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:52,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:52,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:52,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:52,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:52,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:52,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 21:28:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:52,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:52,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:52,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:28:52,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:52,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:28:52,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:52,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:52,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:28:52,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:52,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 21:28:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:52,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:52,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:52,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:52,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:52,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:52,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:52,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:52,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:28:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:52,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 21:28:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:52,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:52,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:28:52,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:28:52,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:28:52,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:28:52,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:28:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:28:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:28:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:28:52,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:28:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 21:28:52,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450878881] [2020-09-24 21:28:52,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:28:52,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:28:52,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134210338] [2020-09-24 21:28:52,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:28:52,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:28:52,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:28:52,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:28:52,143 INFO L87 Difference]: Start difference. First operand 396 states and 435 transitions. Second operand 7 states. [2020-09-24 21:28:52,710 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:28:53,338 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:28:56,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:28:56,034 INFO L93 Difference]: Finished difference Result 1032 states and 1220 transitions. [2020-09-24 21:28:56,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 21:28:56,035 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-24 21:28:56,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:28:56,043 INFO L225 Difference]: With dead ends: 1032 [2020-09-24 21:28:56,043 INFO L226 Difference]: Without dead ends: 751 [2020-09-24 21:28:56,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 21:28:56,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-09-24 21:28:56,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 678. [2020-09-24 21:28:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2020-09-24 21:28:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 764 transitions. [2020-09-24 21:28:56,169 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 764 transitions. Word has length 230 [2020-09-24 21:28:56,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:28:56,171 INFO L479 AbstractCegarLoop]: Abstraction has 678 states and 764 transitions. [2020-09-24 21:28:56,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:28:56,171 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 764 transitions. [2020-09-24 21:28:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 21:28:56,176 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:28:56,176 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:28:56,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 21:28:56,176 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:28:56,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:28:56,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1130657052, now seen corresponding path program 1 times [2020-09-24 21:28:56,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:28:56,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208045001] [2020-09-24 21:28:56,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:28:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:28:56,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:28:56,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:01,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:01,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-24 21:29:01,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:29:01,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-24 21:29:01,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:01,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 21:29:01,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 21:29:01,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-24 21:29:01,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:01,729 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:29:01,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:29:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:01,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:01,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:01,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 21:29:01,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:01,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-24 21:29:01,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:29:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 21:29:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 21:29:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:29:02,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:29:02,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:29:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:29:02,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 21:29:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:29:02,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:29:02,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:29:02,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:29:02,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 21:29:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:29:02,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:29:02,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:29:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:29:02,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 21:29:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:29:02,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:29:02,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:29:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:29:02,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 21:29:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:29:02,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:29:02,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:29:02,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:29:02,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 21:29:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:29:02,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:29:02,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:29:02,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:29:02,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:29:02,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:29:02,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 21:29:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 21:29:02,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:29:02,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:29:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 21:29:02,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:29:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:29:02,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:29:02,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:29:02,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:29:02,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 21:29:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 21:29:02,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 21:29:02,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:29:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 21:29:02,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:29:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 21:29:02,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 21:29:02,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:29:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:29:02,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:29:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 21:29:02,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:29:02,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:29:02,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:29:02,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:29:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:29:02,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:29:02,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:29:02,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:29:02,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 21:29:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 21:29:02,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:29:02,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:29:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:29:02,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:29:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:29:02,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:29:02,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:29:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:29:02,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:29:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:29:02,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:29:02,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:29:02,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:29:02,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 21:29:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:29:02,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:29:02,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:29:02,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:29:02,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 21:29:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:29:02,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:29:02,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:29:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:29:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:29:02,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 21:29:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:29:02,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:29:02,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:29:02,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:29:02,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:29:02,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:29:02,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:29:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:29:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:29:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:29:02,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:29:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 21:29:02,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208045001] [2020-09-24 21:29:02,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:29:02,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 21:29:02,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485422974] [2020-09-24 21:29:02,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 21:29:02,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:29:02,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 21:29:02,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-24 21:29:02,518 INFO L87 Difference]: Start difference. First operand 678 states and 764 transitions. Second operand 13 states. [2020-09-24 21:29:03,127 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:29:04,115 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:29:05,176 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:29:05,530 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 21:29:05,968 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:29:06,320 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 21:29:06,684 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 21:29:07,017 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:29:07,415 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 21:29:07,779 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 193