/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=SHALLOWEST --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_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:30:19,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:30:19,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:30:19,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:30:19,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:30:19,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:30:19,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:30:19,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:30:19,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:30:19,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:30:19,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:30:19,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:30:19,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:30:19,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:30:19,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:30:19,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:30:19,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:30:19,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:30:19,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:30:19,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:30:19,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:30:19,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:30:19,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:30:19,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:30:19,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:30:19,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:30:19,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:30:19,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:30:19,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:30:19,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:30:19,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:30:19,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:30:19,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:30:19,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:30:19,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:30:19,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:30:19,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:30:19,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:30:19,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:30:19,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:30:19,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:30:19,771 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 23:30:19,799 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:30:19,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:30:19,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:30:19,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:30:19,801 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:30:19,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:30:19,801 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:30:19,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:30:19,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:30:19,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:30:19,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:30:19,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:30:19,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:30:19,803 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:30:19,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:30:19,803 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:30:19,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:30:19,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:30:19,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:30:19,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:30:19,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:30:19,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:30:19,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:30:19,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:30:19,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:30:19,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:30:19,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:30:19,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:30:19,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:30:19,806 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-24 23:30:20,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:30:20,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:30:20,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:30:20,321 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:30:20,323 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:30:20,324 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-09-24 23:30:20,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/76019f6eb/53bc0ee714444ac0b67a5d12e1277c66/FLAGbd4435621 [2020-09-24 23:30:21,040 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:30:21,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-09-24 23:30:21,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/76019f6eb/53bc0ee714444ac0b67a5d12e1277c66/FLAGbd4435621 [2020-09-24 23:30:21,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/76019f6eb/53bc0ee714444ac0b67a5d12e1277c66 [2020-09-24 23:30:21,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:30:21,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:30:21,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:30:21,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:30:21,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:30:21,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:30:21" (1/1) ... [2020-09-24 23:30:21,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a098cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:30:21, skipping insertion in model container [2020-09-24 23:30:21,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:30:21" (1/1) ... [2020-09-24 23:30:21,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:30:21,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:30:21,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:30:21,832 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:30:22,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:30:22,082 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:30:22,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:30:22 WrapperNode [2020-09-24 23:30:22,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:30:22,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:30:22,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:30:22,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:30:22,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:30:22" (1/1) ... [2020-09-24 23:30:22,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:30:22" (1/1) ... [2020-09-24 23:30:22,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:30:22" (1/1) ... [2020-09-24 23:30:22,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:30:22" (1/1) ... [2020-09-24 23:30:22,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:30:22" (1/1) ... [2020-09-24 23:30:22,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:30:22" (1/1) ... [2020-09-24 23:30:22,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:30:22" (1/1) ... [2020-09-24 23:30:22,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:30:22,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:30:22,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:30:22,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:30:22,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:30:22" (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 23:30:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:30:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:30:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:30:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:30:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:30:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:30:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:30:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:30:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:30:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 23:30:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:30:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 23:30:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:30:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:30:22,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:30:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:30:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:30:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:30:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:30:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:30:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:30:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:30:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:30:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:30:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:30:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:30:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:30:22,305 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:30:22,305 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:30:22,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 23:30:22,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 23:30:22,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:30:22,305 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 23:30:22,305 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:30:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:30:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:30:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:30:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:30:22,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 23:30:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:30:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:30:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:30:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:30:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:30:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:30:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:30:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:30:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:30:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 23:30:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:30:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:30:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:30:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 23:30:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:30:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:30:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:30:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:30:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:30:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:30:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:30:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:30:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:30:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:30:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:30:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:30:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:30:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:30:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:30:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:30:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:30:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:30:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:30:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:30:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:30:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:30:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:30:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:30:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:30:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:30:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:30:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:30:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:30:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:30:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:30:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 23:30:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 23:30:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 23:30:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:30:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 23:30:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:30:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:30:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:30:23,528 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:30:23,528 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:30:23,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:30:23 BoogieIcfgContainer [2020-09-24 23:30:23,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:30:23,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:30:23,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:30:23,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:30:23,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:30:21" (1/3) ... [2020-09-24 23:30:23,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23bb5e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:30:23, skipping insertion in model container [2020-09-24 23:30:23,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:30:22" (2/3) ... [2020-09-24 23:30:23,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23bb5e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:30:23, skipping insertion in model container [2020-09-24 23:30:23,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:30:23" (3/3) ... [2020-09-24 23:30:23,555 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2020-09-24 23:30:23,574 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:30:23,599 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:30:23,627 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:30:23,672 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:30:23,672 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:30:23,673 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:30:23,673 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:30:23,673 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:30:23,673 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:30:23,673 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:30:23,673 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:30:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-24 23:30:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 23:30:23,748 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:30:23,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:30:23,751 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:30:23,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:30:23,761 INFO L82 PathProgramCache]: Analyzing trace with hash 2110022022, now seen corresponding path program 1 times [2020-09-24 23:30:23,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:30:23,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210834244] [2020-09-24 23:30:23,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:30:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:24,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:24,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:25,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:25,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:26,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:29,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:29,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 23:30:29,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 23:30:29,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-24 23:30:29,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:29,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 23:30:29,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 23:30:29,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 23:30:29,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 23:30:29,660 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:30:29,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:30:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:29,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:30,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:30,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:30:30,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-09-24 23:30:30,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 23:30:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:30,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:30:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:30,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:30,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:30,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:30:30,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:30,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:30:30,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:30:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:30,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:30:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:30,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:30,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:30,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:30:30,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:30,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:30:30,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:30,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:30,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:30,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:30:30,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:30,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:30:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:30,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:30,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:30,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:30:30,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:30,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:30:30,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:30,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:30,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:30:30,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:30,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:30:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:30,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:30,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:30:30,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:30,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:30:30,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:30:30,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:30,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:30:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:30,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:30,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:30,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:30:30,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:30:30,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:30:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:30:30,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:30,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 23:30:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:30,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:30,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:30,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:30:30,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:30,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:30:30,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:30:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:30,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:30,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:30:30,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1210834244] [2020-09-24 23:30:30,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:30:30,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:30:30,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639311724] [2020-09-24 23:30:30,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:30:30,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:30:30,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:30:30,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:30:30,269 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 8 states. [2020-09-24 23:30:30,883 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:30:31,850 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:30:32,243 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:30:32,628 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:30:32,984 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:30:33,324 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:30:34,034 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:30:34,344 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:30:34,904 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:30:36,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:30:36,538 INFO L93 Difference]: Finished difference Result 658 states and 804 transitions. [2020-09-24 23:30:36,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 23:30:36,541 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 23:30:36,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:30:36,584 INFO L225 Difference]: With dead ends: 658 [2020-09-24 23:30:36,585 INFO L226 Difference]: Without dead ends: 442 [2020-09-24 23:30:36,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-24 23:30:36,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-09-24 23:30:36,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 383. [2020-09-24 23:30:36,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-09-24 23:30:36,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 427 transitions. [2020-09-24 23:30:36,758 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 427 transitions. Word has length 142 [2020-09-24 23:30:36,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:30:36,759 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 427 transitions. [2020-09-24 23:30:36,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 23:30:36,759 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 427 transitions. [2020-09-24 23:30:36,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-24 23:30:36,763 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:30:36,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:30:36,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:30:36,764 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:30:36,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:30:36,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1328910528, now seen corresponding path program 1 times [2020-09-24 23:30:36,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:30:36,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920779715] [2020-09-24 23:30:36,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:30:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:36,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:37,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:37,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:40,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:40,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 23:30:40,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:30:40,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4116 [2020-09-24 23:30:40,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 23:30:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 23:30:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-24 23:30:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:41,240 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:30:41,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:30:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:41,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:41,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:41,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:30:41,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:41,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-24 23:30:41,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 23:30:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:30:41,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:30:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:41,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:41,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:41,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:30:41,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:41,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:30:41,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:30:41,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:30:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:30:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:41,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:41,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:41,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:30:41,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:41,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:30:41,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:41,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:41,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:41,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:30:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:41,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:30:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:41,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:41,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:41,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:30:41,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:41,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:30:41,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:41,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:41,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:41,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:30:41,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:41,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:30:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:41,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:41,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:41,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:30:41,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:41,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:30:41,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:41,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:30:41,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:41,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:30:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:41,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:41,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:41,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:30:41,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:41,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:30:41,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:41,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:41,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:30:41,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:41,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 23:30:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:41,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:41,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:41,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:30:41,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:41,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:30:41,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:41,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:41,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:30:41,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:30:41,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 23:30:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:41,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:41,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:41,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:30:41,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:41,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:30:41,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:30:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:41,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:30:41,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:30:41,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920779715] [2020-09-24 23:30:41,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:30:41,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 23:30:41,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671884390] [2020-09-24 23:30:41,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 23:30:41,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:30:41,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 23:30:41,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:30:41,697 INFO L87 Difference]: Start difference. First operand 383 states and 427 transitions. Second operand 9 states. [2020-09-24 23:30:42,220 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:30:43,361 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:30:43,698 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:30:44,073 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:30:44,421 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:30:44,760 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:30:46,015 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:30:46,377 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:30:46,737 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:30:47,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:30:47,573 INFO L93 Difference]: Finished difference Result 933 states and 1134 transitions. [2020-09-24 23:30:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 23:30:47,574 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2020-09-24 23:30:47,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:30:47,582 INFO L225 Difference]: With dead ends: 933 [2020-09-24 23:30:47,582 INFO L226 Difference]: Without dead ends: 660 [2020-09-24 23:30:47,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 23:30:47,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-09-24 23:30:47,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 573. [2020-09-24 23:30:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-09-24 23:30:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 665 transitions. [2020-09-24 23:30:47,688 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 665 transitions. Word has length 157 [2020-09-24 23:30:47,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:30:47,690 INFO L479 AbstractCegarLoop]: Abstraction has 573 states and 665 transitions. [2020-09-24 23:30:47,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 23:30:47,690 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 665 transitions. [2020-09-24 23:30:47,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 23:30:47,693 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:30:47,694 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] [2020-09-24 23:30:47,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:30:47,694 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:30:47,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:30:47,695 INFO L82 PathProgramCache]: Analyzing trace with hash 473256955, now seen corresponding path program 1 times [2020-09-24 23:30:47,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:30:47,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291763114] [2020-09-24 23:30:47,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:30:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:47,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:47,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:51,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:52,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:52,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 23:30:52,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:30:52,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-24 23:30:52,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:52,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 23:30:52,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-09-24 23:30:52,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 23:30:52,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:30:53,031 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:30:53,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:30:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:30:53,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 23:30:53,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:53,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:53,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:30:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:30:53,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:30:53,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:53,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:30:53,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:30:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:30:53,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:30:53,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:53,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:53,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:30:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:30:53,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:30:53,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:53,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:53,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:53,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:30:53,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:30:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:30:53,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:30:53,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:53,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:53,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:30:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:30:53,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:30:53,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:30:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:30:53,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:30:53,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 23:30:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 23:30:53,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:30:53,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-09-24 23:30:53,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:30:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 23:30:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:30:53,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:53,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:30:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 23:30:53,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-24 23:30:53,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:30:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:30:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:30:53,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:53,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:30:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:30:53,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 23:30:53,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:30:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:30:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:30:53,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:53,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:30:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:30:53,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:30:53,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:30:53,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:53,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:30:53,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:53,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:30:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 23:30:53,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:30:53,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 23:30:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:53,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:53,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:30:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 23:30:53,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:30:53,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:53,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:53,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:53,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:53,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:30:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:30:53,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:30:53,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:53,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:53,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:53,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:53,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 23:30:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:30:53,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:30:53,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:53,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:30:53,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:30:53,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 23:30:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:30:53,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:30:53,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:30:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:53,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:53,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 23:30:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:30:53,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:30:53,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:30:53,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:30:53,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:30:53,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:30:53,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:30:53,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:30:53,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:30:53,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:30:53,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:30:54,006 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 23:30:54,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291763114] [2020-09-24 23:30:54,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:30:54,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 23:30:54,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709007137] [2020-09-24 23:30:54,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 23:30:54,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:30:54,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 23:30:54,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 23:30:54,009 INFO L87 Difference]: Start difference. First operand 573 states and 665 transitions. Second operand 10 states. [2020-09-24 23:30:55,314 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:30:55,921 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:30:56,194 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:30:56,580 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:30:56,972 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:30:57,291 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:30:57,601 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:30:57,926 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:30:58,287 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:30:58,662 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:30:58,987 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:31:01,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:31:01,033 INFO L93 Difference]: Finished difference Result 1229 states and 1564 transitions. [2020-09-24 23:31:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 23:31:01,034 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-09-24 23:31:01,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:31:01,045 INFO L225 Difference]: With dead ends: 1229 [2020-09-24 23:31:01,045 INFO L226 Difference]: Without dead ends: 766 [2020-09-24 23:31:01,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2020-09-24 23:31:01,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-09-24 23:31:01,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 585. [2020-09-24 23:31:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-09-24 23:31:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 673 transitions. [2020-09-24 23:31:01,181 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 673 transitions. Word has length 217 [2020-09-24 23:31:01,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:31:01,183 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 673 transitions. [2020-09-24 23:31:01,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 23:31:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 673 transitions. [2020-09-24 23:31:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 23:31:01,188 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:31:01,189 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] [2020-09-24 23:31:01,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:31:01,189 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:31:01,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:31:01,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1210851237, now seen corresponding path program 1 times [2020-09-24 23:31:01,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:31:01,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022562931] [2020-09-24 23:31:01,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:31:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:01,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:01,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:05,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:06,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:06,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 23:31:06,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:31:06,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-24 23:31:06,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:06,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 23:31:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-09-24 23:31:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 23:31:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:06,572 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:31:06,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:31:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:06,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:06,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:06,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:31:06,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-24 23:31:06,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:06,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:06,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:31:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:06,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:06,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:06,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:31:06,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:06,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:31:06,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:06,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:06,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:06,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:31:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:06,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:06,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:06,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:31:06,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:06,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:31:06,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:06,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:06,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:31:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:06,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:06,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:06,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:06,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:06,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:06,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:06,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:06,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:06,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:06,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:06,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:31:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:06,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:06,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:06,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:31:06,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:06,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:31:06,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:06,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:06,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:31:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:06,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:06,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:06,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:31:06,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:06,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:06,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:31:06,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:06,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 23:31:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:06,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:06,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:07,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:07,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 23:31:07,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:31:07,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 514 [2020-09-24 23:31:07,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:31:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 23:31:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:31:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:07,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:31:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:07,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:07,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:07,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 23:31:07,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:07,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 23:31:07,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:31:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 23:31:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:31:07,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:07,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:31:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:07,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:07,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:07,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:31:07,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:07,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 23:31:07,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:07,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:31:07,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:31:07,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:07,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:31:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:07,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:07,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:07,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:31:07,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:07,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:31:07,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:07,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:07,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:07,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:07,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:07,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:31:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:07,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:07,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:07,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 23:31:07,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:07,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:31:07,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:07,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 23:31:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:07,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:07,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:07,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:07,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:07,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 23:31:07,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:07,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:07,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:07,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:07,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:07,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:07,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:07,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:07,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:07,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:07,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:07,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:07,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:07,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:07,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 23:31:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:07,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:07,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:07,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:31:07,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:07,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:07,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:07,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:07,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 23:31:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:07,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:07,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:07,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:07,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:07,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:07,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:31:07,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:07,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:07,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 23:31:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:07,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:07,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:07,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:07,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:07,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:07,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:31:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:07,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:07,682 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 23:31:07,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1022562931] [2020-09-24 23:31:07,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:31:07,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 23:31:07,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178573606] [2020-09-24 23:31:07,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 23:31:07,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:31:07,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 23:31:07,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:31:07,686 INFO L87 Difference]: Start difference. First operand 585 states and 673 transitions. Second operand 11 states. [2020-09-24 23:31:08,816 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:31:09,808 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187