/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 02:08:22,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 02:08:22,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 02:08:22,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 02:08:22,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 02:08:22,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 02:08:22,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 02:08:22,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 02:08:22,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 02:08:22,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 02:08:22,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 02:08:22,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 02:08:22,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 02:08:22,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 02:08:22,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 02:08:22,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 02:08:22,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 02:08:22,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 02:08:22,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 02:08:22,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 02:08:22,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 02:08:22,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 02:08:22,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 02:08:22,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 02:08:22,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 02:08:22,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 02:08:22,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 02:08:22,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 02:08:22,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 02:08:22,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 02:08:22,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 02:08:22,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 02:08:22,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 02:08:22,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 02:08:22,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 02:08:22,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 02:08:22,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 02:08:22,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 02:08:22,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 02:08:22,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 02:08:22,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 02:08:22,171 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 [2020-08-22 02:08:22,215 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 02:08:22,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 02:08:22,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 02:08:22,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 02:08:22,218 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 02:08:22,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 02:08:22,219 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 02:08:22,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 02:08:22,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 02:08:22,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 02:08:22,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 02:08:22,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 02:08:22,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 02:08:22,222 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 02:08:22,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 02:08:22,222 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 02:08:22,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 02:08:22,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 02:08:22,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 02:08:22,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 02:08:22,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 02:08:22,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:08:22,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 02:08:22,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 02:08:22,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 02:08:22,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 02:08:22,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 02:08:22,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 02:08:22,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 02:08:22,226 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-08-22 02:08:22,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 02:08:22,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 02:08:22,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 02:08:22,547 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 02:08:22,548 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 02:08:22,548 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-08-22 02:08:22,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d662751e6/7ea3bd5dd3284101b67eac986ae20239/FLAG161dd71a9 [2020-08-22 02:08:23,096 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 02:08:23,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-08-22 02:08:23,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d662751e6/7ea3bd5dd3284101b67eac986ae20239/FLAG161dd71a9 [2020-08-22 02:08:23,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d662751e6/7ea3bd5dd3284101b67eac986ae20239 [2020-08-22 02:08:23,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 02:08:23,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 02:08:23,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 02:08:23,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 02:08:23,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 02:08:23,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:08:23" (1/1) ... [2020-08-22 02:08:23,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcf94a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:08:23, skipping insertion in model container [2020-08-22 02:08:23,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:08:23" (1/1) ... [2020-08-22 02:08:23,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 02:08:23,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 02:08:24,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:08:24,061 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 02:08:24,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:08:24,173 INFO L208 MainTranslator]: Completed translation [2020-08-22 02:08:24,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:08:24 WrapperNode [2020-08-22 02:08:24,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 02:08:24,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 02:08:24,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 02:08:24,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 02:08:24,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:08:24" (1/1) ... [2020-08-22 02:08:24,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:08:24" (1/1) ... [2020-08-22 02:08:24,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:08:24" (1/1) ... [2020-08-22 02:08:24,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:08:24" (1/1) ... [2020-08-22 02:08:24,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:08:24" (1/1) ... [2020-08-22 02:08:24,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:08:24" (1/1) ... [2020-08-22 02:08:24,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:08:24" (1/1) ... [2020-08-22 02:08:24,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 02:08:24,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 02:08:24,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 02:08:24,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 02:08:24,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:08:24" (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 [2020-08-22 02:08:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 02:08:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 02:08:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 02:08:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-22 02:08:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-22 02:08:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-22 02:08:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 02:08:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 02:08:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 02:08:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 02:08:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 02:08:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 02:08:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 02:08:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 02:08:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 02:08:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 02:08:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 02:08:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 02:08:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 02:08:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 02:08:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 02:08:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-22 02:08:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 02:08:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 02:08:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 02:08:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 02:08:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 02:08:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 02:08:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 02:08:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 02:08:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 02:08:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 02:08:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 02:08:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 02:08:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 02:08:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 02:08:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 02:08:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 02:08:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 02:08:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 02:08:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 02:08:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 02:08:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 02:08:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 02:08:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 02:08:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 02:08:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-22 02:08:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-22 02:08:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-22 02:08:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 02:08:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 02:08:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 02:08:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 02:08:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 02:08:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 02:08:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 02:08:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 02:08:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 02:08:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 02:08:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 02:08:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 02:08:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 02:08:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 02:08:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 02:08:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 02:08:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 02:08:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 02:08:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 02:08:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 02:08:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 02:08:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 02:08:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 02:08:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-22 02:08:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 02:08:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 02:08:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 02:08:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 02:08:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 02:08:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 02:08:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 02:08:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 02:08:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 02:08:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 02:08:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 02:08:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 02:08:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 02:08:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 02:08:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 02:08:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 02:08:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 02:08:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 02:08:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 02:08:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 02:08:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 02:08:25,575 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 02:08:25,576 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 02:08:25,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:08:25 BoogieIcfgContainer [2020-08-22 02:08:25,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 02:08:25,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 02:08:25,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 02:08:25,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 02:08:25,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 02:08:23" (1/3) ... [2020-08-22 02:08:25,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7858591f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:08:25, skipping insertion in model container [2020-08-22 02:08:25,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:08:24" (2/3) ... [2020-08-22 02:08:25,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7858591f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:08:25, skipping insertion in model container [2020-08-22 02:08:25,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:08:25" (3/3) ... [2020-08-22 02:08:25,597 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-08-22 02:08:25,608 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 02:08:25,621 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 02:08:25,636 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 02:08:25,669 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 02:08:25,669 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 02:08:25,670 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 02:08:25,670 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 02:08:25,670 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 02:08:25,670 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 02:08:25,671 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 02:08:25,671 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 02:08:25,702 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-08-22 02:08:25,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-22 02:08:25,719 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:08:25,720 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 02:08:25,721 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:08:25,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:08:25,731 INFO L82 PathProgramCache]: Analyzing trace with hash 441969018, now seen corresponding path program 1 times [2020-08-22 02:08:25,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:08:25,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665921209] [2020-08-22 02:08:25,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:08:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:26,442 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:08:26,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:26,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:08:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:26,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:08:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:26,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:26,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:08:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:26,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:08:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:26,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 02:08:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:26,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:26,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 02:08:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:26,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 02:08:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 02:08:26,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665921209] [2020-08-22 02:08:26,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:08:26,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 02:08:26,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148628952] [2020-08-22 02:08:26,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 02:08:26,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:08:26,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 02:08:26,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:08:26,577 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-08-22 02:08:27,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:08:27,651 INFO L93 Difference]: Finished difference Result 287 states and 366 transitions. [2020-08-22 02:08:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 02:08:27,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-22 02:08:27,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:08:27,681 INFO L225 Difference]: With dead ends: 287 [2020-08-22 02:08:27,681 INFO L226 Difference]: Without dead ends: 158 [2020-08-22 02:08:27,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:08:27,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-08-22 02:08:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2020-08-22 02:08:27,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-08-22 02:08:27,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-08-22 02:08:27,779 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 59 [2020-08-22 02:08:27,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:08:27,780 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-08-22 02:08:27,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 02:08:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-08-22 02:08:27,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-22 02:08:27,784 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:08:27,785 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 02:08:27,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 02:08:27,785 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:08:27,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:08:27,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1933724587, now seen corresponding path program 1 times [2020-08-22 02:08:27,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:08:27,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370974099] [2020-08-22 02:08:27,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:08:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:28,213 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:08:28,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:28,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:08:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:28,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:08:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:28,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:28,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:08:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:28,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:08:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:28,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:08:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:28,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:28,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 02:08:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:28,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 02:08:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 02:08:28,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370974099] [2020-08-22 02:08:28,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:08:28,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:08:28,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375904016] [2020-08-22 02:08:28,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:08:28,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:08:28,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:08:28,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:08:28,310 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 9 states. [2020-08-22 02:08:28,678 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:08:28,999 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:08:29,238 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:08:29,494 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:08:30,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:08:30,704 INFO L93 Difference]: Finished difference Result 260 states and 321 transitions. [2020-08-22 02:08:30,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 02:08:30,713 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-22 02:08:30,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:08:30,718 INFO L225 Difference]: With dead ends: 260 [2020-08-22 02:08:30,718 INFO L226 Difference]: Without dead ends: 158 [2020-08-22 02:08:30,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-22 02:08:30,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-08-22 02:08:30,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2020-08-22 02:08:30,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-08-22 02:08:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2020-08-22 02:08:30,770 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 64 [2020-08-22 02:08:30,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:08:30,771 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2020-08-22 02:08:30,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:08:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2020-08-22 02:08:30,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-08-22 02:08:30,781 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:08:30,781 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 02:08:30,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 02:08:30,781 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:08:30,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:08:30,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1782817326, now seen corresponding path program 1 times [2020-08-22 02:08:30,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:08:30,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891357551] [2020-08-22 02:08:30,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:08:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,083 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:08:31,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:08:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:08:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:08:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:08:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:08:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:08:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:08:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 02:08:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 02:08:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 02:08:31,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891357551] [2020-08-22 02:08:31,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:08:31,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 02:08:31,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014209266] [2020-08-22 02:08:31,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 02:08:31,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:08:31,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 02:08:31,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:08:31,185 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 7 states. [2020-08-22 02:08:31,555 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:08:33,029 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:33,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:08:33,597 INFO L93 Difference]: Finished difference Result 377 states and 484 transitions. [2020-08-22 02:08:33,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 02:08:33,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-08-22 02:08:33,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:08:33,605 INFO L225 Difference]: With dead ends: 377 [2020-08-22 02:08:33,605 INFO L226 Difference]: Without dead ends: 275 [2020-08-22 02:08:33,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-08-22 02:08:33,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-08-22 02:08:33,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 225. [2020-08-22 02:08:33,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-08-22 02:08:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 269 transitions. [2020-08-22 02:08:33,662 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 269 transitions. Word has length 72 [2020-08-22 02:08:33,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:08:33,663 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 269 transitions. [2020-08-22 02:08:33,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 02:08:33,663 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 269 transitions. [2020-08-22 02:08:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-08-22 02:08:33,665 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:08:33,665 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 02:08:33,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 02:08:33,665 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:08:33,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:08:33,666 INFO L82 PathProgramCache]: Analyzing trace with hash 526954491, now seen corresponding path program 1 times [2020-08-22 02:08:33,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:08:33,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21338581] [2020-08-22 02:08:33,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:08:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:33,998 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:08:33,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:08:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:08:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:08:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:08:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:08:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:08:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:08:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:08:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-22 02:08:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 02:08:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 02:08:34,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21338581] [2020-08-22 02:08:34,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:08:34,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:08:34,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025051035] [2020-08-22 02:08:34,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:08:34,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:08:34,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:08:34,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:08:34,114 INFO L87 Difference]: Start difference. First operand 225 states and 269 transitions. Second operand 9 states. [2020-08-22 02:08:34,511 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:08:35,130 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:08:36,074 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:08:36,363 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:36,764 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:08:37,039 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:08:37,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:08:37,419 INFO L93 Difference]: Finished difference Result 471 states and 597 transitions. [2020-08-22 02:08:37,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 02:08:37,420 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-08-22 02:08:37,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:08:37,424 INFO L225 Difference]: With dead ends: 471 [2020-08-22 02:08:37,424 INFO L226 Difference]: Without dead ends: 274 [2020-08-22 02:08:37,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-08-22 02:08:37,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-08-22 02:08:37,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 224. [2020-08-22 02:08:37,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-08-22 02:08:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 266 transitions. [2020-08-22 02:08:37,478 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 266 transitions. Word has length 86 [2020-08-22 02:08:37,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:08:37,478 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 266 transitions. [2020-08-22 02:08:37,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:08:37,478 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 266 transitions. [2020-08-22 02:08:37,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-22 02:08:37,480 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:08:37,481 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 02:08:37,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 02:08:37,481 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:08:37,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:08:37,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1805003882, now seen corresponding path program 1 times [2020-08-22 02:08:37,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:08:37,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797854736] [2020-08-22 02:08:37,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:08:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,741 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:08:37,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:08:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:08:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:08:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:08:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:08:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:08:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:08:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:08:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 02:08:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-22 02:08:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 02:08:37,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797854736] [2020-08-22 02:08:37,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:08:37,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:08:37,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789700601] [2020-08-22 02:08:37,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:08:37,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:08:37,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:08:37,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:08:37,900 INFO L87 Difference]: Start difference. First operand 224 states and 266 transitions. Second operand 9 states. [2020-08-22 02:08:38,871 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:39,114 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 02:08:39,367 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:39,619 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:40,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:08:40,368 INFO L93 Difference]: Finished difference Result 471 states and 606 transitions. [2020-08-22 02:08:40,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 02:08:40,374 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-08-22 02:08:40,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:08:40,377 INFO L225 Difference]: With dead ends: 471 [2020-08-22 02:08:40,377 INFO L226 Difference]: Without dead ends: 275 [2020-08-22 02:08:40,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-08-22 02:08:40,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-08-22 02:08:40,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 229. [2020-08-22 02:08:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-08-22 02:08:40,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 271 transitions. [2020-08-22 02:08:40,425 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 271 transitions. Word has length 102 [2020-08-22 02:08:40,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:08:40,426 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 271 transitions. [2020-08-22 02:08:40,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:08:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 271 transitions. [2020-08-22 02:08:40,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-22 02:08:40,428 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:08:40,428 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 02:08:40,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 02:08:40,429 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:08:40,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:08:40,429 INFO L82 PathProgramCache]: Analyzing trace with hash -244383960, now seen corresponding path program 1 times [2020-08-22 02:08:40,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:08:40,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829094728] [2020-08-22 02:08:40,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:08:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,685 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:08:40,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:08:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:08:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:08:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:08:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:08:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:08:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:08:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:08:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 02:08:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-22 02:08:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 02:08:40,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829094728] [2020-08-22 02:08:40,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:08:40,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 02:08:40,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733827247] [2020-08-22 02:08:40,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 02:08:40,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:08:40,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 02:08:40,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-08-22 02:08:40,851 INFO L87 Difference]: Start difference. First operand 229 states and 271 transitions. Second operand 11 states. [2020-08-22 02:08:41,502 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:41,748 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:41,981 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:42,651 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:42,923 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:43,169 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:44,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:08:44,040 INFO L93 Difference]: Finished difference Result 481 states and 617 transitions. [2020-08-22 02:08:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 02:08:44,046 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-08-22 02:08:44,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:08:44,049 INFO L225 Difference]: With dead ends: 481 [2020-08-22 02:08:44,049 INFO L226 Difference]: Without dead ends: 280 [2020-08-22 02:08:44,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-08-22 02:08:44,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-08-22 02:08:44,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 233. [2020-08-22 02:08:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-08-22 02:08:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 275 transitions. [2020-08-22 02:08:44,107 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 275 transitions. Word has length 102 [2020-08-22 02:08:44,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:08:44,108 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 275 transitions. [2020-08-22 02:08:44,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 02:08:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 275 transitions. [2020-08-22 02:08:44,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-22 02:08:44,110 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:08:44,110 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 02:08:44,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 02:08:44,110 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:08:44,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:08:44,111 INFO L82 PathProgramCache]: Analyzing trace with hash 218584628, now seen corresponding path program 1 times [2020-08-22 02:08:44,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:08:44,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907406487] [2020-08-22 02:08:44,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:08:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,362 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:08:44,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:08:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:08:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:08:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:08:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 02:08:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 02:08:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:08:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:08:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 02:08:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 02:08:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:44,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 02:08:44,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907406487] [2020-08-22 02:08:44,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:08:44,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 02:08:44,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387618715] [2020-08-22 02:08:44,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 02:08:44,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:08:44,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 02:08:44,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 02:08:44,436 INFO L87 Difference]: Start difference. First operand 233 states and 275 transitions. Second operand 6 states. [2020-08-22 02:08:45,018 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:45,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:08:45,921 INFO L93 Difference]: Finished difference Result 409 states and 488 transitions. [2020-08-22 02:08:45,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 02:08:45,921 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-08-22 02:08:45,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:08:45,923 INFO L225 Difference]: With dead ends: 409 [2020-08-22 02:08:45,924 INFO L226 Difference]: Without dead ends: 240 [2020-08-22 02:08:45,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:08:45,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-22 02:08:45,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 203. [2020-08-22 02:08:45,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-08-22 02:08:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 231 transitions. [2020-08-22 02:08:45,961 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 231 transitions. Word has length 98 [2020-08-22 02:08:45,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:08:45,961 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 231 transitions. [2020-08-22 02:08:45,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 02:08:45,961 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 231 transitions. [2020-08-22 02:08:45,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-22 02:08:45,963 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:08:45,963 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 02:08:45,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 02:08:45,963 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:08:45,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:08:45,964 INFO L82 PathProgramCache]: Analyzing trace with hash 725197063, now seen corresponding path program 1 times [2020-08-22 02:08:45,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:08:45,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267411410] [2020-08-22 02:08:45,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:08:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,265 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:08:46,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:08:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:08:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:08:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:08:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:08:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:08:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:08:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:08:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 02:08:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-22 02:08:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 02:08:46,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267411410] [2020-08-22 02:08:46,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:08:46,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 02:08:46,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923553225] [2020-08-22 02:08:46,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 02:08:46,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:08:46,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 02:08:46,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:08:46,408 INFO L87 Difference]: Start difference. First operand 203 states and 231 transitions. Second operand 7 states. [2020-08-22 02:08:46,800 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:08:47,298 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:08:48,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:08:48,762 INFO L93 Difference]: Finished difference Result 573 states and 717 transitions. [2020-08-22 02:08:48,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 02:08:48,763 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2020-08-22 02:08:48,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:08:48,769 INFO L225 Difference]: With dead ends: 573 [2020-08-22 02:08:48,769 INFO L226 Difference]: Without dead ends: 398 [2020-08-22 02:08:48,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-08-22 02:08:48,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-08-22 02:08:48,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 360. [2020-08-22 02:08:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-08-22 02:08:48,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 422 transitions. [2020-08-22 02:08:48,832 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 422 transitions. Word has length 102 [2020-08-22 02:08:48,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:08:48,832 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 422 transitions. [2020-08-22 02:08:48,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 02:08:48,833 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 422 transitions. [2020-08-22 02:08:48,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-08-22 02:08:48,834 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:08:48,835 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 02:08:48,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 02:08:48,835 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:08:48,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:08:48,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1122638495, now seen corresponding path program 1 times [2020-08-22 02:08:48,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:08:48,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906002329] [2020-08-22 02:08:48,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:08:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,182 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:08:49,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:08:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:08:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:08:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:08:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 02:08:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 02:08:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 02:08:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:08:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:08:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 02:08:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-08-22 02:08:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:49,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 02:08:49,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906002329] [2020-08-22 02:08:49,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:08:49,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 02:08:49,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499400672] [2020-08-22 02:08:49,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 02:08:49,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:08:49,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 02:08:49,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-22 02:08:49,359 INFO L87 Difference]: Start difference. First operand 360 states and 422 transitions. Second operand 12 states. [2020-08-22 02:08:50,026 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:08:50,687 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:08:51,534 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:08:51,843 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:08:52,088 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 02:08:52,355 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:08:52,628 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:08:53,575 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:08:53,841 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:08:54,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:08:54,651 INFO L93 Difference]: Finished difference Result 988 states and 1228 transitions. [2020-08-22 02:08:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-22 02:08:54,652 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-08-22 02:08:54,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:08:54,659 INFO L225 Difference]: With dead ends: 988 [2020-08-22 02:08:54,659 INFO L226 Difference]: Without dead ends: 721 [2020-08-22 02:08:54,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-08-22 02:08:54,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-08-22 02:08:54,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 614. [2020-08-22 02:08:54,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-08-22 02:08:54,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 712 transitions. [2020-08-22 02:08:54,812 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 712 transitions. Word has length 106 [2020-08-22 02:08:54,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:08:54,814 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 712 transitions. [2020-08-22 02:08:54,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 02:08:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 712 transitions. [2020-08-22 02:08:54,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-08-22 02:08:54,819 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:08:54,819 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:08:54,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 02:08:54,819 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:08:54,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:08:54,820 INFO L82 PathProgramCache]: Analyzing trace with hash 193650261, now seen corresponding path program 1 times [2020-08-22 02:08:54,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:08:54,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833684285] [2020-08-22 02:08:54,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:08:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,111 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:08:55,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:08:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:08:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:08:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:08:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 02:08:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 02:08:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 02:08:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:08:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:08:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:08:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 02:08:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:08:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-08-22 02:08:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:08:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-08-22 02:08:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 02:08:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:08:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 02:08:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-22 02:08:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:08:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-22 02:08:55,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833684285] [2020-08-22 02:08:55,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 02:08:55,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-22 02:08:55,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243477106] [2020-08-22 02:08:55,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 02:08:55,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:08:55,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 02:08:55,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-08-22 02:08:55,486 INFO L87 Difference]: Start difference. First operand 614 states and 712 transitions. Second operand 16 states. [2020-08-22 02:08:56,272 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 02:08:56,739 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 02:08:57,089 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 02:08:57,329 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 02:08:58,022 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:08:58,313 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:08:59,047 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 02:08:59,706 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:09:00,146 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 02:09:00,522 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:09:00,796 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:09:01,112 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 02:09:01,597 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 02:09:02,084 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 02:09:02,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:09:02,299 INFO L93 Difference]: Finished difference Result 955 states and 1130 transitions. [2020-08-22 02:09:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-08-22 02:09:02,300 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 149 [2020-08-22 02:09:02,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:09:02,301 INFO L225 Difference]: With dead ends: 955 [2020-08-22 02:09:02,301 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 02:09:02,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=424, Invalid=1468, Unknown=0, NotChecked=0, Total=1892 [2020-08-22 02:09:02,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 02:09:02,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 02:09:02,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 02:09:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 02:09:02,307 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-08-22 02:09:02,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:09:02,307 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 02:09:02,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 02:09:02,307 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 02:09:02,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 02:09:02,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 02:09:02,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 02:09:03,203 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 225 [2020-08-22 02:09:03,779 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-08-22 02:09:05,655 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 226 [2020-08-22 02:09:06,194 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 224 [2020-08-22 02:09:06,400 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-22 02:09:07,010 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-08-22 02:09:07,185 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 02:09:07,346 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:09:07,714 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-08-22 02:09:07,933 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2020-08-22 02:09:08,067 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-22 02:09:08,385 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-08-22 02:09:08,817 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-22 02:09:09,079 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-08-22 02:09:09,236 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-22 02:09:09,415 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 02:09:09,591 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-22 02:09:09,804 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:09:10,763 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 36 [2020-08-22 02:09:10,918 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-22 02:09:11,097 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-08-22 02:09:11,885 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2020-08-22 02:09:12,051 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-22 02:09:12,826 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-08-22 02:09:13,633 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-08-22 02:09:14,173 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-08-22 02:09:14,436 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 14 [2020-08-22 02:09:14,749 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 31 [2020-08-22 02:09:14,930 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-08-22 02:09:15,157 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-08-22 02:09:15,319 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-22 02:09:15,490 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-08-22 02:09:15,647 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-22 02:09:15,808 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-08-22 02:09:16,073 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2020-08-22 02:09:16,240 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-08-22 02:09:16,749 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 28 [2020-08-22 02:09:16,914 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 02:09:17,075 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-22 02:09:17,228 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-22 02:09:17,383 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-22 02:09:17,739 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 30 [2020-08-22 02:09:17,914 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-22 02:09:18,075 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-22 02:09:18,079 INFO L268 CegarLoopResult]: For program point L634(lines 611 635) no Hoare annotation was computed. [2020-08-22 02:09:18,080 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2020-08-22 02:09:18,080 INFO L268 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-08-22 02:09:18,080 INFO L268 CegarLoopResult]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2020-08-22 02:09:18,080 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2020-08-22 02:09:18,080 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-08-22 02:09:18,080 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2020-08-22 02:09:18,080 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2020-08-22 02:09:18,081 INFO L268 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-08-22 02:09:18,081 INFO L268 CegarLoopResult]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2020-08-22 02:09:18,081 INFO L268 CegarLoopResult]: For program point L695(lines 668 696) no Hoare annotation was computed. [2020-08-22 02:09:18,081 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2020-08-22 02:09:18,081 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-08-22 02:09:18,081 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-08-22 02:09:18,082 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2020-08-22 02:09:18,082 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2020-08-22 02:09:18,082 INFO L268 CegarLoopResult]: For program point L675(lines 675 679) no Hoare annotation was computed. [2020-08-22 02:09:18,082 INFO L268 CegarLoopResult]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2020-08-22 02:09:18,082 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 919 925) the Hoare annotation is: true [2020-08-22 02:09:18,082 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 919 925) no Hoare annotation was computed. [2020-08-22 02:09:18,083 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 926 934) no Hoare annotation was computed. [2020-08-22 02:09:18,083 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 926 934) the Hoare annotation is: true [2020-08-22 02:09:18,083 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 926 934) no Hoare annotation was computed. [2020-08-22 02:09:18,083 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-22 02:09:18,083 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-08-22 02:09:18,083 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-08-22 02:09:18,083 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~switchedOnBeforeTS~0)| 0) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse4 .cse1 .cse2 .cse3))) [2020-08-22 02:09:18,083 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-08-22 02:09:18,084 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-08-22 02:09:18,084 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-08-22 02:09:18,084 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-08-22 02:09:18,084 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or (not (= ~waterLevel~0 1)) .cse3 .cse1) (or .cse3 .cse1 .cse2))) [2020-08-22 02:09:18,084 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-08-22 02:09:18,084 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-22 02:09:18,084 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-08-22 02:09:18,085 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-08-22 02:09:18,085 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-08-22 02:09:18,085 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-08-22 02:09:18,085 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-08-22 02:09:18,085 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-08-22 02:09:18,085 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-08-22 02:09:18,085 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:09:18,086 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:09:18,086 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:09:18,086 INFO L268 CegarLoopResult]: For program point L281(lines 281 288) no Hoare annotation was computed. [2020-08-22 02:09:18,086 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2020-08-22 02:09:18,086 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2020-08-22 02:09:18,086 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-22 02:09:18,086 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:09:18,087 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:09:18,087 INFO L264 CegarLoopResult]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:09:18,087 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2020-08-22 02:09:18,087 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2020-08-22 02:09:18,087 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2020-08-22 02:09:18,087 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2020-08-22 02:09:18,087 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-08-22 02:09:18,087 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-08-22 02:09:18,087 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-08-22 02:09:18,088 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-08-22 02:09:18,088 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-08-22 02:09:18,088 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-08-22 02:09:18,088 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-08-22 02:09:18,088 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-08-22 02:09:18,088 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-08-22 02:09:18,088 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-08-22 02:09:18,088 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-08-22 02:09:18,088 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-08-22 02:09:18,088 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-08-22 02:09:18,089 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-08-22 02:09:18,089 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 405 413) no Hoare annotation was computed. [2020-08-22 02:09:18,089 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 405 413) the Hoare annotation is: true [2020-08-22 02:09:18,089 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 405 413) no Hoare annotation was computed. [2020-08-22 02:09:18,089 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-08-22 02:09:18,089 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-08-22 02:09:18,089 INFO L268 CegarLoopResult]: For program point L433(lines 433 441) no Hoare annotation was computed. [2020-08-22 02:09:18,089 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 441) no Hoare annotation was computed. [2020-08-22 02:09:18,089 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 414 449) no Hoare annotation was computed. [2020-08-22 02:09:18,090 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 414 449) no Hoare annotation was computed. [2020-08-22 02:09:18,090 INFO L268 CegarLoopResult]: For program point L421(lines 421 429) no Hoare annotation was computed. [2020-08-22 02:09:18,090 INFO L268 CegarLoopResult]: For program point L421-2(lines 421 429) no Hoare annotation was computed. [2020-08-22 02:09:18,090 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 414 449) no Hoare annotation was computed. [2020-08-22 02:09:18,090 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 912 918) no Hoare annotation was computed. [2020-08-22 02:09:18,090 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 912 918) the Hoare annotation is: true [2020-08-22 02:09:18,090 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2020-08-22 02:09:18,090 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2020-08-22 02:09:18,090 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2020-08-22 02:09:18,090 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2020-08-22 02:09:18,091 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2020-08-22 02:09:18,091 INFO L268 CegarLoopResult]: For program point L874(lines 874 881) no Hoare annotation was computed. [2020-08-22 02:09:18,091 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2020-08-22 02:09:18,091 INFO L268 CegarLoopResult]: For program point L868(lines 868 888) no Hoare annotation was computed. [2020-08-22 02:09:18,091 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2020-08-22 02:09:18,091 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:09:18,091 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2020-08-22 02:09:18,091 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2020-08-22 02:09:18,092 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2020-08-22 02:09:18,092 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 394 404) the Hoare annotation is: true [2020-08-22 02:09:18,092 INFO L271 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: true [2020-08-22 02:09:18,092 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-08-22 02:09:18,092 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 394 404) no Hoare annotation was computed. [2020-08-22 02:09:18,092 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 394 404) no Hoare annotation was computed. [2020-08-22 02:09:18,092 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 386 393) no Hoare annotation was computed. [2020-08-22 02:09:18,092 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 386 393) no Hoare annotation was computed. [2020-08-22 02:09:18,092 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 386 393) no Hoare annotation was computed. [2020-08-22 02:09:18,093 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 177 190) no Hoare annotation was computed. [2020-08-22 02:09:18,093 INFO L268 CegarLoopResult]: For program point L181(lines 181 187) no Hoare annotation was computed. [2020-08-22 02:09:18,093 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 177 190) the Hoare annotation is: true [2020-08-22 02:09:18,093 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 177 190) no Hoare annotation was computed. [2020-08-22 02:09:18,093 INFO L268 CegarLoopResult]: For program point L354-1(lines 335 359) no Hoare annotation was computed. [2020-08-22 02:09:18,093 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= ~switchedOnBeforeTS~0 0)) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2))) [2020-08-22 02:09:18,094 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-22 02:09:18,094 INFO L268 CegarLoopResult]: For program point L343(lines 343 351) no Hoare annotation was computed. [2020-08-22 02:09:18,094 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 335 359) no Hoare annotation was computed. [2020-08-22 02:09:18,094 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-22 02:09:18,094 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-08-22 02:09:18,094 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 335 359) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-22 02:09:18,095 INFO L268 CegarLoopResult]: For program point L339(lines 339 356) no Hoare annotation was computed. [2020-08-22 02:09:18,095 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-22 02:09:18,095 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 327 333) no Hoare annotation was computed. [2020-08-22 02:09:18,095 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 327 333) the Hoare annotation is: true [2020-08-22 02:09:18,095 INFO L268 CegarLoopResult]: For program point L481(lines 480 525) no Hoare annotation was computed. [2020-08-22 02:09:18,095 INFO L264 CegarLoopResult]: At program point testENTRY(lines 470 533) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:09:18,095 INFO L268 CegarLoopResult]: For program point L510(lines 510 521) no Hoare annotation was computed. [2020-08-22 02:09:18,096 INFO L268 CegarLoopResult]: For program point testFINAL(lines 470 533) no Hoare annotation was computed. [2020-08-22 02:09:18,096 INFO L264 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-22 02:09:18,096 INFO L268 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2020-08-22 02:09:18,096 INFO L268 CegarLoopResult]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2020-08-22 02:09:18,096 INFO L264 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-22 02:09:18,096 INFO L264 CegarLoopResult]: At program point L523(lines 480 525) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-22 02:09:18,096 INFO L268 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2020-08-22 02:09:18,097 INFO L268 CegarLoopResult]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2020-08-22 02:09:18,097 INFO L268 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-08-22 02:09:18,097 INFO L264 CegarLoopResult]: At program point L526(lines 479 527) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:09:18,097 INFO L268 CegarLoopResult]: For program point L516(lines 516 520) no Hoare annotation was computed. [2020-08-22 02:09:18,097 INFO L268 CegarLoopResult]: For program point testEXIT(lines 470 533) no Hoare annotation was computed. [2020-08-22 02:09:18,097 INFO L264 CegarLoopResult]: At program point L516-2(lines 510 521) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-22 02:09:18,097 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-08-22 02:09:18,097 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2020-08-22 02:09:18,098 INFO L268 CegarLoopResult]: For program point L822(lines 822 842) no Hoare annotation was computed. [2020-08-22 02:09:18,098 INFO L268 CegarLoopResult]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2020-08-22 02:09:18,098 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2020-08-22 02:09:18,098 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2020-08-22 02:09:18,098 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 360 367) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-22 02:09:18,098 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 360 367) no Hoare annotation was computed. [2020-08-22 02:09:18,098 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 360 367) no Hoare annotation was computed. [2020-08-22 02:09:18,098 INFO L268 CegarLoopResult]: For program point L153(lines 153 161) no Hoare annotation was computed. [2020-08-22 02:09:18,098 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 145 167) no Hoare annotation was computed. [2020-08-22 02:09:18,099 INFO L268 CegarLoopResult]: For program point L153-2(lines 153 161) no Hoare annotation was computed. [2020-08-22 02:09:18,099 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 145 167) no Hoare annotation was computed. [2020-08-22 02:09:18,099 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 145 167) no Hoare annotation was computed. [2020-08-22 02:09:18,099 INFO L268 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-08-22 02:09:18,099 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2020-08-22 02:09:18,099 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-08-22 02:09:18,099 INFO L268 CegarLoopResult]: For program point L793(lines 793 804) no Hoare annotation was computed. [2020-08-22 02:09:18,099 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-08-22 02:09:18,100 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2020-08-22 02:09:18,100 INFO L268 CegarLoopResult]: For program point L775(lines 753 776) no Hoare annotation was computed. [2020-08-22 02:09:18,100 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2020-08-22 02:09:18,100 INFO L268 CegarLoopResult]: For program point L734(lines 734 750) no Hoare annotation was computed. [2020-08-22 02:09:18,100 INFO L268 CegarLoopResult]: For program point L794(lines 794 801) no Hoare annotation was computed. [2020-08-22 02:09:18,100 INFO L268 CegarLoopResult]: For program point L755(lines 754 774) no Hoare annotation was computed. [2020-08-22 02:09:18,100 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-08-22 02:09:18,100 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2020-08-22 02:09:18,100 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-08-22 02:09:18,101 INFO L268 CegarLoopResult]: For program point L751(lines 751 792) no Hoare annotation was computed. [2020-08-22 02:09:18,101 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-08-22 02:09:18,101 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 902 911) no Hoare annotation was computed. [2020-08-22 02:09:18,101 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 902 911) no Hoare annotation was computed. [2020-08-22 02:09:18,101 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 902 911) no Hoare annotation was computed. [2020-08-22 02:09:18,101 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:09:18,102 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 02:09:18,102 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:09:18,102 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-22 02:09:18,102 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 369 385) no Hoare annotation was computed. [2020-08-22 02:09:18,102 INFO L268 CegarLoopResult]: For program point L380-1(lines 369 385) no Hoare annotation was computed. [2020-08-22 02:09:18,102 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 369 385) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-22 02:09:18,102 INFO L268 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-08-22 02:09:18,102 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-22 02:09:18,103 INFO L268 CegarLoopResult]: For program point L374-1(line 374) no Hoare annotation was computed. [2020-08-22 02:09:18,103 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 168 176) the Hoare annotation is: true [2020-08-22 02:09:18,103 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 168 176) no Hoare annotation was computed. [2020-08-22 02:09:18,103 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 168 176) no Hoare annotation was computed. [2020-08-22 02:09:18,103 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 450 468) no Hoare annotation was computed. [2020-08-22 02:09:18,103 INFO L268 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-08-22 02:09:18,103 INFO L271 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: true [2020-08-22 02:09:18,103 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2020-08-22 02:09:18,103 INFO L268 CegarLoopResult]: For program point L457-1(line 457) no Hoare annotation was computed. [2020-08-22 02:09:18,104 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 450 468) the Hoare annotation is: true [2020-08-22 02:09:18,104 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 450 468) no Hoare annotation was computed. [2020-08-22 02:09:18,104 INFO L268 CegarLoopResult]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2020-08-22 02:09:18,104 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse3))) [2020-08-22 02:09:18,104 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2020-08-22 02:09:18,104 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:09:18,104 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 02:09:18,104 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:09:18,105 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 136 144) the Hoare annotation is: true [2020-08-22 02:09:18,105 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 136 144) no Hoare annotation was computed. [2020-08-22 02:09:18,105 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2020-08-22 02:09:18,105 INFO L264 CegarLoopResult]: At program point L316(line 316) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~switchedOnBeforeTS~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~waterLevel~0 1) .cse3 .cse4)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse3 .cse4) .cse0 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse5 .cse6))) [2020-08-22 02:09:18,105 INFO L264 CegarLoopResult]: At program point L314(lines 314 320) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (= ~switchedOnBeforeTS~0 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (let ((.cse0 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) .cse2 .cse3 .cse4)) (or .cse5 .cse2 .cse3 (and (= ~waterLevel~0 1) .cse6 .cse7)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse6 .cse7) .cse5 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2020-08-22 02:09:18,106 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (and (= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse4) (or .cse3 .cse4 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse0 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2)))) [2020-08-22 02:09:18,106 INFO L268 CegarLoopResult]: For program point L307(lines 303 325) no Hoare annotation was computed. [2020-08-22 02:09:18,106 INFO L268 CegarLoopResult]: For program point L305(lines 303 325) no Hoare annotation was computed. [2020-08-22 02:09:18,106 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 300 326) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and (= 2 ~waterLevel~0) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse3 .cse4) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse5 .cse6 .cse3)))) [2020-08-22 02:09:18,106 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 300 326) no Hoare annotation was computed. [2020-08-22 02:09:18,106 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 300 326) no Hoare annotation was computed. [2020-08-22 02:09:18,106 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2020-08-22 02:09:18,107 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2020-08-22 02:09:18,107 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true [2020-08-22 02:09:18,107 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-08-22 02:09:18,107 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-08-22 02:09:18,107 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2020-08-22 02:09:18,107 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-08-22 02:09:18,107 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2020-08-22 02:09:18,107 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-08-22 02:09:18,107 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-08-22 02:09:18,108 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 100 111) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2020-08-22 02:09:18,108 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 100 111) no Hoare annotation was computed. [2020-08-22 02:09:18,108 INFO L268 CegarLoopResult]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2020-08-22 02:09:18,108 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2020-08-22 02:09:18,108 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2020-08-22 02:09:18,108 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:09:18,108 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-22 02:09:18,109 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 02:09:18,109 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:09:18,109 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2020-08-22 02:09:18,109 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 112 123) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 (= ~switchedOnBeforeTS~0 0)) (or .cse4 .cse0 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse3))) [2020-08-22 02:09:18,109 INFO L268 CegarLoopResult]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2020-08-22 02:09:18,109 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 936 943) no Hoare annotation was computed. [2020-08-22 02:09:18,110 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2020-08-22 02:09:18,110 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 936 943) the Hoare annotation is: true [2020-08-22 02:09:18,110 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 936 943) no Hoare annotation was computed. [2020-08-22 02:09:18,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:09:18 BoogieIcfgContainer [2020-08-22 02:09:18,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 02:09:18,147 INFO L168 Benchmark]: Toolchain (without parser) took 54673.41 ms. Allocated memory was 141.6 MB in the beginning and 651.2 MB in the end (delta: 509.6 MB). Free memory was 102.1 MB in the beginning and 437.9 MB in the end (delta: -335.8 MB). Peak memory consumption was 524.6 MB. Max. memory is 7.1 GB. [2020-08-22 02:09:18,148 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 02:09:18,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.93 ms. Allocated memory was 141.6 MB in the beginning and 208.7 MB in the end (delta: 67.1 MB). Free memory was 101.9 MB in the beginning and 176.4 MB in the end (delta: -74.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-08-22 02:09:18,149 INFO L168 Benchmark]: Boogie Preprocessor took 139.66 ms. Allocated memory is still 208.7 MB. Free memory was 176.4 MB in the beginning and 171.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-22 02:09:18,149 INFO L168 Benchmark]: RCFGBuilder took 1271.00 ms. Allocated memory was 208.7 MB in the beginning and 233.8 MB in the end (delta: 25.2 MB). Free memory was 171.6 MB in the beginning and 191.7 MB in the end (delta: -20.1 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2020-08-22 02:09:18,150 INFO L168 Benchmark]: TraceAbstraction took 52551.39 ms. Allocated memory was 233.8 MB in the beginning and 651.2 MB in the end (delta: 417.3 MB). Free memory was 191.7 MB in the beginning and 437.9 MB in the end (delta: -246.2 MB). Peak memory consumption was 521.9 MB. Max. memory is 7.1 GB. [2020-08-22 02:09:18,155 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.93 ms. Allocated memory was 141.6 MB in the beginning and 208.7 MB in the end (delta: 67.1 MB). Free memory was 101.9 MB in the beginning and 176.4 MB in the end (delta: -74.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.66 ms. Allocated memory is still 208.7 MB. Free memory was 176.4 MB in the beginning and 171.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1271.00 ms. Allocated memory was 208.7 MB in the beginning and 233.8 MB in the end (delta: 25.2 MB). Free memory was 171.6 MB in the beginning and 191.7 MB in the end (delta: -20.1 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52551.39 ms. Allocated memory was 233.8 MB in the beginning and 651.2 MB in the end (delta: 417.3 MB). Free memory was 191.7 MB in the beginning and 437.9 MB in the end (delta: -246.2 MB). Peak memory consumption was 521.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) == 1) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && !(switchedOnBeforeTS == 0)) && splverifierCounter == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 30.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1366 SDtfs, 3012 SDslu, 2131 SDs, 0 SdLazy, 7008 SolverSat, 1988 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 518 GetRequests, 348 SyntacticMatches, 3 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=614occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 431 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 991 PreInvPairs, 1059 NumberOfFragments, 1645 HoareAnnotationTreeSize, 991 FomulaSimplifications, 22681704 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 58 FomulaSimplificationsInter, 58520 FormulaSimplificationTreeSizeReductionInter, 11.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 940 NumberOfCodeBlocks, 940 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 930 ConstructedInterpolants, 0 QuantifiedInterpolants, 330502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 59/65 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...