/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:03:59,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:03:59,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:03:59,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:03:59,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:03:59,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:03:59,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:03:59,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:03:59,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:03:59,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:03:59,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:03:59,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:03:59,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:03:59,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:03:59,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:03:59,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:03:59,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:03:59,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:03:59,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:03:59,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:03:59,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:03:59,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:03:59,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:03:59,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:03:59,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 16:03:59,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 16:03:59,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 16:03:59,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 16:03:59,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 16:03:59,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 16:03:59,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 16:03:59,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 16:03:59,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 16:03:59,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 16:03:59,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 16:03:59,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 16:03:59,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 16:03:59,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 16:03:59,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:03:59,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:03:59,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:03:59,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 16:03:59,206 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:03:59,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:03:59,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:03:59,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:03:59,208 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:03:59,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:03:59,208 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:03:59,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:03:59,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:03:59,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:03:59,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:03:59,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:03:59,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:03:59,213 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:03:59,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:03:59,213 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:03:59,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:03:59,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:03:59,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:03:59,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:03:59,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:03:59,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:03:59,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:03:59,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:03:59,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:03:59,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:03:59,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:03:59,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:03:59,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:03:59,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:03:59,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:03:59,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:03:59,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:03:59,558 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:03:59,558 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:03:59,559 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-08-22 16:03:59,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9826c3746/a9a2a9230c474c3b95fabcab339b6ba1/FLAG9f339ac0d [2020-08-22 16:04:00,190 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:04:00,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-08-22 16:04:00,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9826c3746/a9a2a9230c474c3b95fabcab339b6ba1/FLAG9f339ac0d [2020-08-22 16:04:00,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9826c3746/a9a2a9230c474c3b95fabcab339b6ba1 [2020-08-22 16:04:00,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:04:00,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:04:00,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:04:00,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:04:00,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:04:00,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:04:00" (1/1) ... [2020-08-22 16:04:00,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414e1ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:04:00, skipping insertion in model container [2020-08-22 16:04:00,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:04:00" (1/1) ... [2020-08-22 16:04:00,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:04:00,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:04:01,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:04:01,041 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:04:01,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:04:01,170 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:04:01,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:04:01 WrapperNode [2020-08-22 16:04:01,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:04:01,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:04:01,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:04:01,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:04:01,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:04:01" (1/1) ... [2020-08-22 16:04:01,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:04:01" (1/1) ... [2020-08-22 16:04:01,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:04:01" (1/1) ... [2020-08-22 16:04:01,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:04:01" (1/1) ... [2020-08-22 16:04:01,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:04:01" (1/1) ... [2020-08-22 16:04:01,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:04:01" (1/1) ... [2020-08-22 16:04:01,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:04:01" (1/1) ... [2020-08-22 16:04:01,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:04:01,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:04:01,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:04:01,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:04:01,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:04:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 16:04:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:04:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:04:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 16:04:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 16:04:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 16:04:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 16:04:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 16:04:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 16:04:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 16:04:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 16:04:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 16:04:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 16:04:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 16:04:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 16:04:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:04:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 16:04:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 16:04:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 16:04:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 16:04:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 16:04:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 16:04:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 16:04:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 16:04:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 16:04:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 16:04:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 16:04:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 16:04:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 16:04:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 16:04:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 16:04:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 16:04:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 16:04:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 16:04:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 16:04:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 16:04:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 16:04:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 16:04:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 16:04:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 16:04:01,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 16:04:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:04:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:04:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 16:04:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 16:04:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 16:04:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 16:04:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 16:04:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 16:04:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 16:04:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 16:04:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 16:04:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 16:04:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 16:04:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 16:04:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 16:04:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 16:04:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 16:04:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 16:04:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 16:04:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 16:04:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 16:04:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 16:04:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:04:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 16:04:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 16:04:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 16:04:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 16:04:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 16:04:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 16:04:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 16:04:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 16:04:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 16:04:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 16:04:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 16:04:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 16:04:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 16:04:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 16:04:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 16:04:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 16:04:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 16:04:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 16:04:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 16:04:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 16:04:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 16:04:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 16:04:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 16:04:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 16:04:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 16:04:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 16:04:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 16:04:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 16:04:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:04:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 16:04:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:04:02,454 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:04:02,455 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 16:04:02,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:04:02 BoogieIcfgContainer [2020-08-22 16:04:02,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:04:02,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:04:02,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:04:02,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:04:02,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:04:00" (1/3) ... [2020-08-22 16:04:02,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b07f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:04:02, skipping insertion in model container [2020-08-22 16:04:02,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:04:01" (2/3) ... [2020-08-22 16:04:02,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b07f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:04:02, skipping insertion in model container [2020-08-22 16:04:02,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:04:02" (3/3) ... [2020-08-22 16:04:02,469 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-08-22 16:04:02,480 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:04:02,492 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:04:02,504 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:04:02,525 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:04:02,525 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:04:02,525 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:04:02,525 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:04:02,525 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:04:02,525 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:04:02,526 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:04:02,526 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:04:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-08-22 16:04:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 16:04:02,559 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:02,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:04:02,561 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:02,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:02,567 INFO L82 PathProgramCache]: Analyzing trace with hash 652232891, now seen corresponding path program 1 times [2020-08-22 16:04:02,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:02,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163374212] [2020-08-22 16:04:02,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:03,230 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:03,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:03,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:03,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:03,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:03,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:03,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:03,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 16:04:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:03,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 16:04:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:04:03,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163374212] [2020-08-22 16:04:03,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:04:03,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:04:03,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552179864] [2020-08-22 16:04:03,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 16:04:03,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:03,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 16:04:03,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:04:03,401 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-08-22 16:04:04,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:04,625 INFO L93 Difference]: Finished difference Result 301 states and 396 transitions. [2020-08-22 16:04:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 16:04:04,627 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 16:04:04,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:04,643 INFO L225 Difference]: With dead ends: 301 [2020-08-22 16:04:04,643 INFO L226 Difference]: Without dead ends: 168 [2020-08-22 16:04:04,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:04:04,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-08-22 16:04:04,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 134. [2020-08-22 16:04:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-08-22 16:04:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-08-22 16:04:04,747 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-08-22 16:04:04,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:04,747 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-08-22 16:04:04,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 16:04:04,748 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-08-22 16:04:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 16:04:04,751 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:04,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:04:04,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:04:04,752 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:04,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:04,753 INFO L82 PathProgramCache]: Analyzing trace with hash -564528421, now seen corresponding path program 1 times [2020-08-22 16:04:04,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:04,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817824232] [2020-08-22 16:04:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:05,184 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:05,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:05,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:05,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:05,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:05,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:05,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:05,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:04:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:05,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 16:04:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:04:05,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817824232] [2020-08-22 16:04:05,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:04:05,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 16:04:05,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458872606] [2020-08-22 16:04:05,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:04:05,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:05,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:04:05,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:04:05,243 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 5 states. [2020-08-22 16:04:05,729 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:04:06,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:06,706 INFO L93 Difference]: Finished difference Result 240 states and 299 transitions. [2020-08-22 16:04:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:04:06,707 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 16:04:06,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:06,710 INFO L225 Difference]: With dead ends: 240 [2020-08-22 16:04:06,710 INFO L226 Difference]: Without dead ends: 158 [2020-08-22 16:04:06,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:04:06,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-08-22 16:04:06,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 125. [2020-08-22 16:04:06,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-22 16:04:06,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-08-22 16:04:06,751 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-08-22 16:04:06,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:06,752 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-08-22 16:04:06,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:04:06,752 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-08-22 16:04:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 16:04:06,755 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:06,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:04:06,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:04:06,772 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:06,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:06,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1211879035, now seen corresponding path program 1 times [2020-08-22 16:04:06,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:06,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412491514] [2020-08-22 16:04:06,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:07,095 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:07,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:07,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:07,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:07,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:07,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:07,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:07,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 16:04:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:07,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 16:04:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:04:07,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412491514] [2020-08-22 16:04:07,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:04:07,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 16:04:07,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108522569] [2020-08-22 16:04:07,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:04:07,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:07,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:04:07,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:04:07,207 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 9 states. [2020-08-22 16:04:07,590 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:04:07,916 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:08,167 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:08,410 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:09,201 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:04:11,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:11,041 INFO L93 Difference]: Finished difference Result 423 states and 537 transitions. [2020-08-22 16:04:11,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 16:04:11,042 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-22 16:04:11,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:11,046 INFO L225 Difference]: With dead ends: 423 [2020-08-22 16:04:11,047 INFO L226 Difference]: Without dead ends: 326 [2020-08-22 16:04:11,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-22 16:04:11,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-08-22 16:04:11,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 265. [2020-08-22 16:04:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-08-22 16:04:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 324 transitions. [2020-08-22 16:04:11,130 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 324 transitions. Word has length 56 [2020-08-22 16:04:11,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:11,131 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 324 transitions. [2020-08-22 16:04:11,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:04:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 324 transitions. [2020-08-22 16:04:11,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-22 16:04:11,134 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:11,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:04:11,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:04:11,134 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:11,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:11,135 INFO L82 PathProgramCache]: Analyzing trace with hash -773448372, now seen corresponding path program 1 times [2020-08-22 16:04:11,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:11,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019586172] [2020-08-22 16:04:11,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:11,434 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:11,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:11,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:11,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:11,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:11,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:11,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:11,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:04:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:11,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 16:04:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:11,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 16:04:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:04:11,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019586172] [2020-08-22 16:04:11,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:04:11,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 16:04:11,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145075194] [2020-08-22 16:04:11,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:04:11,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:11,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:04:11,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:04:11,535 INFO L87 Difference]: Start difference. First operand 265 states and 324 transitions. Second operand 9 states. [2020-08-22 16:04:11,933 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:04:12,957 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:13,312 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:04:13,618 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:13,934 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:15,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:15,171 INFO L93 Difference]: Finished difference Result 845 states and 1123 transitions. [2020-08-22 16:04:15,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 16:04:15,173 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-22 16:04:15,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:15,181 INFO L225 Difference]: With dead ends: 845 [2020-08-22 16:04:15,181 INFO L226 Difference]: Without dead ends: 608 [2020-08-22 16:04:15,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 16:04:15,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-08-22 16:04:15,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 478. [2020-08-22 16:04:15,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-08-22 16:04:15,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 588 transitions. [2020-08-22 16:04:15,384 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 588 transitions. Word has length 62 [2020-08-22 16:04:15,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:15,385 INFO L479 AbstractCegarLoop]: Abstraction has 478 states and 588 transitions. [2020-08-22 16:04:15,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:04:15,385 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 588 transitions. [2020-08-22 16:04:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-22 16:04:15,388 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:15,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:04:15,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 16:04:15,389 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:15,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:15,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1032831448, now seen corresponding path program 1 times [2020-08-22 16:04:15,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:15,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271752549] [2020-08-22 16:04:15,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:15,675 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:15,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:15,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:15,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:15,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:15,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:15,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:15,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 16:04:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:15,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 16:04:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:15,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 16:04:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:15,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 16:04:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:04:15,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271752549] [2020-08-22 16:04:15,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:04:15,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 16:04:15,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230385966] [2020-08-22 16:04:15,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:04:15,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:15,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:04:15,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:04:15,788 INFO L87 Difference]: Start difference. First operand 478 states and 588 transitions. Second operand 10 states. [2020-08-22 16:04:16,149 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:04:17,200 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:17,486 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:17,741 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:18,337 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:04:19,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:19,529 INFO L93 Difference]: Finished difference Result 1339 states and 1842 transitions. [2020-08-22 16:04:19,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-22 16:04:19,531 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-22 16:04:19,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:19,541 INFO L225 Difference]: With dead ends: 1339 [2020-08-22 16:04:19,542 INFO L226 Difference]: Without dead ends: 889 [2020-08-22 16:04:19,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-08-22 16:04:19,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2020-08-22 16:04:19,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 693. [2020-08-22 16:04:19,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-08-22 16:04:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 847 transitions. [2020-08-22 16:04:19,717 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 847 transitions. Word has length 66 [2020-08-22 16:04:19,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:19,718 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 847 transitions. [2020-08-22 16:04:19,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:04:19,718 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 847 transitions. [2020-08-22 16:04:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-22 16:04:19,723 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:19,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:04:19,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 16:04:19,724 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:19,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:19,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1961211398, now seen corresponding path program 1 times [2020-08-22 16:04:19,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:19,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421073330] [2020-08-22 16:04:19,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,031 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:20,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 16:04:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 16:04:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:04:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-22 16:04:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-22 16:04:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:20,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:04:20,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421073330] [2020-08-22 16:04:20,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:04:20,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 16:04:20,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442193275] [2020-08-22 16:04:20,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:04:20,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:20,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:04:20,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:04:20,222 INFO L87 Difference]: Start difference. First operand 693 states and 847 transitions. Second operand 10 states. [2020-08-22 16:04:20,565 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:04:21,614 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:21,869 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 16:04:22,182 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:22,438 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:24,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:24,329 INFO L93 Difference]: Finished difference Result 2350 states and 3369 transitions. [2020-08-22 16:04:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 16:04:24,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-08-22 16:04:24,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:24,343 INFO L225 Difference]: With dead ends: 2350 [2020-08-22 16:04:24,343 INFO L226 Difference]: Without dead ends: 1685 [2020-08-22 16:04:24,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-08-22 16:04:24,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2020-08-22 16:04:24,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1247. [2020-08-22 16:04:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1247 states. [2020-08-22 16:04:24,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1522 transitions. [2020-08-22 16:04:24,683 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1522 transitions. Word has length 88 [2020-08-22 16:04:24,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:24,684 INFO L479 AbstractCegarLoop]: Abstraction has 1247 states and 1522 transitions. [2020-08-22 16:04:24,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:04:24,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1522 transitions. [2020-08-22 16:04:24,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-22 16:04:24,687 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:24,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:04:24,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 16:04:24,688 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:24,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:24,688 INFO L82 PathProgramCache]: Analyzing trace with hash 608275001, now seen corresponding path program 1 times [2020-08-22 16:04:24,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:24,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054592134] [2020-08-22 16:04:24,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:24,937 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:24,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:24,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:24,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:24,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:24,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:24,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:24,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 16:04:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:24,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 16:04:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:24,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:25,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:25,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:25,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:04:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:25,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-22 16:04:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:25,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-22 16:04:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:04:25,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054592134] [2020-08-22 16:04:25,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:04:25,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 16:04:25,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504114041] [2020-08-22 16:04:25,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:04:25,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:25,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:04:25,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:04:25,112 INFO L87 Difference]: Start difference. First operand 1247 states and 1522 transitions. Second operand 10 states. [2020-08-22 16:04:26,370 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:26,636 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 16:04:26,919 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:04:27,177 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:04:28,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:28,399 INFO L93 Difference]: Finished difference Result 2904 states and 3892 transitions. [2020-08-22 16:04:28,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 16:04:28,400 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-08-22 16:04:28,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:28,414 INFO L225 Difference]: With dead ends: 2904 [2020-08-22 16:04:28,414 INFO L226 Difference]: Without dead ends: 1685 [2020-08-22 16:04:28,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-08-22 16:04:28,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2020-08-22 16:04:28,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1287. [2020-08-22 16:04:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1287 states. [2020-08-22 16:04:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1562 transitions. [2020-08-22 16:04:28,670 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1562 transitions. Word has length 88 [2020-08-22 16:04:28,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:28,671 INFO L479 AbstractCegarLoop]: Abstraction has 1287 states and 1562 transitions. [2020-08-22 16:04:28,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:04:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1562 transitions. [2020-08-22 16:04:28,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-22 16:04:28,674 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:28,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:04:28,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 16:04:28,675 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:28,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:28,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1309874875, now seen corresponding path program 1 times [2020-08-22 16:04:28,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:28,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563465934] [2020-08-22 16:04:28,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:28,916 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:28,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:28,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:28,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:28,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:28,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:28,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:28,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 16:04:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:28,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 16:04:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:29,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:29,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:29,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:29,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:04:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:29,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-22 16:04:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:29,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-22 16:04:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:29,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:04:29,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563465934] [2020-08-22 16:04:29,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:04:29,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 16:04:29,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710510493] [2020-08-22 16:04:29,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 16:04:29,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:29,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 16:04:29,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:04:29,081 INFO L87 Difference]: Start difference. First operand 1287 states and 1562 transitions. Second operand 12 states. [2020-08-22 16:04:29,592 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:29,836 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:04:30,068 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:04:30,822 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:04:31,098 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:04:31,331 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:04:32,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:32,606 INFO L93 Difference]: Finished difference Result 2600 states and 3450 transitions. [2020-08-22 16:04:32,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 16:04:32,606 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-08-22 16:04:32,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:32,615 INFO L225 Difference]: With dead ends: 2600 [2020-08-22 16:04:32,615 INFO L226 Difference]: Without dead ends: 1341 [2020-08-22 16:04:32,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-08-22 16:04:32,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2020-08-22 16:04:32,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 1063. [2020-08-22 16:04:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1063 states. [2020-08-22 16:04:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1258 transitions. [2020-08-22 16:04:32,830 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1258 transitions. Word has length 88 [2020-08-22 16:04:32,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:32,831 INFO L479 AbstractCegarLoop]: Abstraction has 1063 states and 1258 transitions. [2020-08-22 16:04:32,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 16:04:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1258 transitions. [2020-08-22 16:04:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-08-22 16:04:32,835 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:32,835 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:04:32,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 16:04:32,835 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:32,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:32,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1814435734, now seen corresponding path program 1 times [2020-08-22 16:04:32,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:32,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109964364] [2020-08-22 16:04:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,091 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:33,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:04:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 16:04:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 16:04:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:04:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 16:04:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 16:04:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:33,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:04:33,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109964364] [2020-08-22 16:04:33,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:04:33,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 16:04:33,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395183686] [2020-08-22 16:04:33,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:04:33,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:33,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:04:33,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:04:33,187 INFO L87 Difference]: Start difference. First operand 1063 states and 1258 transitions. Second operand 8 states. [2020-08-22 16:04:33,558 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:04:36,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:36,125 INFO L93 Difference]: Finished difference Result 2130 states and 2835 transitions. [2020-08-22 16:04:36,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-22 16:04:36,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-08-22 16:04:36,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:36,139 INFO L225 Difference]: With dead ends: 2130 [2020-08-22 16:04:36,139 INFO L226 Difference]: Without dead ends: 2127 [2020-08-22 16:04:36,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-08-22 16:04:36,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2020-08-22 16:04:36,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 1652. [2020-08-22 16:04:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-08-22 16:04:36,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 1981 transitions. [2020-08-22 16:04:36,462 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 1981 transitions. Word has length 92 [2020-08-22 16:04:36,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:36,465 INFO L479 AbstractCegarLoop]: Abstraction has 1652 states and 1981 transitions. [2020-08-22 16:04:36,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:04:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1981 transitions. [2020-08-22 16:04:36,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-08-22 16:04:36,473 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:36,474 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, 1] [2020-08-22 16:04:36,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 16:04:36,474 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:36,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:36,474 INFO L82 PathProgramCache]: Analyzing trace with hash -374585462, now seen corresponding path program 1 times [2020-08-22 16:04:36,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:36,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075581716] [2020-08-22 16:04:36,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,832 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:36,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:04:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 16:04:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:04:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:04:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-22 16:04:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 16:04:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 16:04:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:36,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-08-22 16:04:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:37,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:37,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:37,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 16:04:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:37,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:37,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 16:04:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:37,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-08-22 16:04:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:37,161 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-22 16:04:37,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075581716] [2020-08-22 16:04:37,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559894198] [2020-08-22 16:04:37,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:04:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:37,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 9 conjunts are in the unsatisfiable core [2020-08-22 16:04:37,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:04:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-22 16:04:37,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:04:37,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-08-22 16:04:37,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437116512] [2020-08-22 16:04:37,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:04:37,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:37,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:04:37,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-08-22 16:04:37,920 INFO L87 Difference]: Start difference. First operand 1652 states and 1981 transitions. Second operand 8 states. [2020-08-22 16:04:38,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:38,839 INFO L93 Difference]: Finished difference Result 3232 states and 3922 transitions. [2020-08-22 16:04:38,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:04:38,839 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-08-22 16:04:38,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:38,850 INFO L225 Difference]: With dead ends: 3232 [2020-08-22 16:04:38,850 INFO L226 Difference]: Without dead ends: 1608 [2020-08-22 16:04:38,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-08-22 16:04:38,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-08-22 16:04:39,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1608. [2020-08-22 16:04:39,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1608 states. [2020-08-22 16:04:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 1899 transitions. [2020-08-22 16:04:39,218 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 1899 transitions. Word has length 150 [2020-08-22 16:04:39,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:39,218 INFO L479 AbstractCegarLoop]: Abstraction has 1608 states and 1899 transitions. [2020-08-22 16:04:39,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:04:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 1899 transitions. [2020-08-22 16:04:39,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-22 16:04:39,226 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:39,226 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 16:04:39,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-08-22 16:04:39,440 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:39,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:39,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1038081381, now seen corresponding path program 1 times [2020-08-22 16:04:39,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:39,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785243461] [2020-08-22 16:04:39,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,753 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:39,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:04:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 16:04:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:04:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:04:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-22 16:04:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 16:04:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 16:04:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-08-22 16:04:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:04:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 16:04:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-22 16:04:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-08-22 16:04:39,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785243461] [2020-08-22 16:04:39,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754493953] [2020-08-22 16:04:39,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:04:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:40,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 2 conjunts are in the unsatisfiable core [2020-08-22 16:04:40,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:04:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-22 16:04:40,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:04:40,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2020-08-22 16:04:40,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263640243] [2020-08-22 16:04:40,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:04:40,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:40,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:04:40,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:04:40,293 INFO L87 Difference]: Start difference. First operand 1608 states and 1899 transitions. Second operand 3 states. [2020-08-22 16:04:40,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:40,852 INFO L93 Difference]: Finished difference Result 3664 states and 4459 transitions. [2020-08-22 16:04:40,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:04:40,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-08-22 16:04:40,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:40,867 INFO L225 Difference]: With dead ends: 3664 [2020-08-22 16:04:40,867 INFO L226 Difference]: Without dead ends: 2400 [2020-08-22 16:04:40,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 197 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:04:40,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2400 states. [2020-08-22 16:04:41,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2400 to 2374. [2020-08-22 16:04:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2374 states. [2020-08-22 16:04:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 2756 transitions. [2020-08-22 16:04:41,406 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 2756 transitions. Word has length 154 [2020-08-22 16:04:41,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:41,407 INFO L479 AbstractCegarLoop]: Abstraction has 2374 states and 2756 transitions. [2020-08-22 16:04:41,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:04:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 2756 transitions. [2020-08-22 16:04:41,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-22 16:04:41,419 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:41,420 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 16:04:41,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:04:41,633 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:41,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:41,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1053600099, now seen corresponding path program 1 times [2020-08-22 16:04:41,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:41,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624776096] [2020-08-22 16:04:41,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:41,946 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:41,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:41,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:41,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:41,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:41,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:41,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:04:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 16:04:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:04:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:04:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-22 16:04:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 16:04:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 16:04:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-08-22 16:04:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:04:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 16:04:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-22 16:04:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-22 16:04:42,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624776096] [2020-08-22 16:04:42,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706442622] [2020-08-22 16:04:42,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:04:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:42,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 18 conjunts are in the unsatisfiable core [2020-08-22 16:04:42,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:04:42,533 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 16:04:42,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:04:42,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7] total 19 [2020-08-22 16:04:42,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558672898] [2020-08-22 16:04:42,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 16:04:42,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:42,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 16:04:42,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-08-22 16:04:42,535 INFO L87 Difference]: Start difference. First operand 2374 states and 2756 transitions. Second operand 19 states. [2020-08-22 16:04:43,248 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:04:43,586 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 16:04:43,850 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:44,099 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:44,721 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:44,971 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:04:45,361 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:47,161 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:04:48,313 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:04:53,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:53,831 INFO L93 Difference]: Finished difference Result 7262 states and 10459 transitions. [2020-08-22 16:04:53,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-08-22 16:04:53,832 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 154 [2020-08-22 16:04:53,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:53,866 INFO L225 Difference]: With dead ends: 7262 [2020-08-22 16:04:53,866 INFO L226 Difference]: Without dead ends: 5220 [2020-08-22 16:04:53,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3257 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=1420, Invalid=8086, Unknown=0, NotChecked=0, Total=9506 [2020-08-22 16:04:53,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5220 states. [2020-08-22 16:04:54,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5220 to 2430. [2020-08-22 16:04:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2430 states. [2020-08-22 16:04:54,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2430 states and 2707 transitions. [2020-08-22 16:04:54,598 INFO L78 Accepts]: Start accepts. Automaton has 2430 states and 2707 transitions. Word has length 154 [2020-08-22 16:04:54,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:54,599 INFO L479 AbstractCegarLoop]: Abstraction has 2430 states and 2707 transitions. [2020-08-22 16:04:54,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 16:04:54,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 2707 transitions. [2020-08-22 16:04:54,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-22 16:04:54,607 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:04:54,607 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 16:04:54,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-08-22 16:04:54,822 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:04:54,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:04:54,822 INFO L82 PathProgramCache]: Analyzing trace with hash -2018968461, now seen corresponding path program 1 times [2020-08-22 16:04:54,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:04:54,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855491176] [2020-08-22 16:04:54,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:04:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,150 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:04:55,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:04:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:04:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:04:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:04:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:04:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:04:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:04:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 16:04:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:04:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:04:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-22 16:04:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 16:04:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-08-22 16:04:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-08-22 16:04:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:04:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:04:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:04:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-22 16:04:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 16:04:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-08-22 16:04:55,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855491176] [2020-08-22 16:04:55,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532386125] [2020-08-22 16:04:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:04:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:04:55,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 3 conjunts are in the unsatisfiable core [2020-08-22 16:04:55,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:04:55,705 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-08-22 16:04:55,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:04:55,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2020-08-22 16:04:55,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341160414] [2020-08-22 16:04:55,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:04:55,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:04:55,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:04:55,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:04:55,715 INFO L87 Difference]: Start difference. First operand 2430 states and 2707 transitions. Second operand 3 states. [2020-08-22 16:04:56,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:04:56,076 INFO L93 Difference]: Finished difference Result 2764 states and 3101 transitions. [2020-08-22 16:04:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:04:56,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-08-22 16:04:56,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:04:56,078 INFO L225 Difference]: With dead ends: 2764 [2020-08-22 16:04:56,079 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:04:56,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:04:56,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:04:56,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:04:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:04:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:04:56,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2020-08-22 16:04:56,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:04:56,086 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:04:56,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:04:56,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:04:56,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:04:56,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:04:56,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:04:56,435 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 16:04:57,104 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 16:05:01,310 WARN L193 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 469 DAG size of output: 406 [2020-08-22 16:05:03,502 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 483 DAG size of output: 417 [2020-08-22 16:05:05,418 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 479 DAG size of output: 382 [2020-08-22 16:05:09,060 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 496 DAG size of output: 412 [2020-08-22 16:05:11,146 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 585 DAG size of output: 520 [2020-08-22 16:05:14,039 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 226 [2020-08-22 16:05:14,249 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 219 [2020-08-22 16:05:14,464 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2020-08-22 16:05:15,628 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 31 [2020-08-22 16:05:15,809 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-08-22 16:05:15,990 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-08-22 16:05:16,187 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-08-22 16:05:16,412 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-08-22 16:05:16,650 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2020-08-22 16:05:16,829 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-08-22 16:05:17,378 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 30 [2020-08-22 16:05:23,053 WARN L193 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 356 DAG size of output: 44 [2020-08-22 16:05:23,259 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:23,435 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-08-22 16:05:23,614 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-08-22 16:05:24,862 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 232 DAG size of output: 41 [2020-08-22 16:05:25,044 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-08-22 16:05:27,501 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 356 DAG size of output: 49 [2020-08-22 16:05:28,692 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 210 DAG size of output: 35 [2020-08-22 16:05:29,111 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 30 [2020-08-22 16:05:29,789 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 38 [2020-08-22 16:05:29,959 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-08-22 16:05:32,242 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 322 DAG size of output: 50 [2020-08-22 16:05:33,215 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 38 [2020-08-22 16:05:34,728 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 225 DAG size of output: 47 [2020-08-22 16:05:35,230 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-08-22 16:05:36,478 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 215 DAG size of output: 33 [2020-08-22 16:05:37,327 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 34 [2020-08-22 16:05:37,902 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 31 [2020-08-22 16:05:38,596 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 30 [2020-08-22 16:05:40,303 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 230 DAG size of output: 38 [2020-08-22 16:05:40,898 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 34 [2020-08-22 16:05:41,415 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2020-08-22 16:05:44,070 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 355 DAG size of output: 51 [2020-08-22 16:05:44,265 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-08-22 16:05:44,440 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-08-22 16:05:44,632 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-08-22 16:05:47,853 WARN L193 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 467 DAG size of output: 49 [2020-08-22 16:05:48,351 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 31 [2020-08-22 16:05:48,538 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-08-22 16:05:48,725 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-08-22 16:05:48,920 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-08-22 16:05:49,634 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 32 [2020-08-22 16:05:49,837 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-08-22 16:05:50,419 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 23 [2020-08-22 16:05:50,618 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 31 [2020-08-22 16:05:51,209 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-08-22 16:05:52,756 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 247 DAG size of output: 38 [2020-08-22 16:05:52,964 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 31 [2020-08-22 16:05:54,746 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 230 DAG size of output: 38 [2020-08-22 16:05:55,646 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 33 [2020-08-22 16:05:58,377 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 305 DAG size of output: 63 [2020-08-22 16:05:58,383 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-08-22 16:05:58,383 INFO L268 CegarLoopResult]: For program point L670-2(lines 670 691) no Hoare annotation was computed. [2020-08-22 16:05:58,383 INFO L268 CegarLoopResult]: For program point L692(lines 669 693) no Hoare annotation was computed. [2020-08-22 16:05:58,384 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 645 700) no Hoare annotation was computed. [2020-08-22 16:05:58,384 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 645 700) no Hoare annotation was computed. [2020-08-22 16:05:58,384 INFO L268 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-08-22 16:05:58,384 INFO L268 CegarLoopResult]: For program point L676-1(lines 676 680) no Hoare annotation was computed. [2020-08-22 16:05:58,385 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 645 700) no Hoare annotation was computed. [2020-08-22 16:05:58,385 INFO L268 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-08-22 16:05:58,385 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2020-08-22 16:05:58,385 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-08-22 16:05:58,385 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 701 760) no Hoare annotation was computed. [2020-08-22 16:05:58,385 INFO L268 CegarLoopResult]: For program point L727-2(lines 727 752) no Hoare annotation was computed. [2020-08-22 16:05:58,385 INFO L268 CegarLoopResult]: For program point L753(lines 726 754) no Hoare annotation was computed. [2020-08-22 16:05:58,386 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 701 760) no Hoare annotation was computed. [2020-08-22 16:05:58,386 INFO L268 CegarLoopResult]: For program point L746(line 746) no Hoare annotation was computed. [2020-08-22 16:05:58,386 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 701 760) no Hoare annotation was computed. [2020-08-22 16:05:58,386 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-08-22 16:05:58,386 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2020-08-22 16:05:58,386 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2020-08-22 16:05:58,387 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2020-08-22 16:05:58,387 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2020-08-22 16:05:58,387 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2020-08-22 16:05:58,388 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:05:58,390 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2020-08-22 16:05:58,390 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2020-08-22 16:05:58,391 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:05:58,392 INFO L264 CegarLoopResult]: At program point L233-1(line 233) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:05:58,392 INFO L268 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2020-08-22 16:05:58,392 INFO L268 CegarLoopResult]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2020-08-22 16:05:58,392 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-08-22 16:05:58,393 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:05:58,393 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:05:58,393 INFO L264 CegarLoopResult]: At program point L227-1(line 227) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:05:58,393 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-08-22 16:05:58,394 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2020-08-22 16:05:58,394 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-08-22 16:05:58,394 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 16:05:58,394 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-08-22 16:05:58,394 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2020-08-22 16:05:58,394 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-08-22 16:05:58,394 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2020-08-22 16:05:58,395 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 16:05:58,395 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-08-22 16:05:58,395 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-08-22 16:05:58,395 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 16:05:58,395 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-08-22 16:05:58,395 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-08-22 16:05:58,396 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 16:05:58,396 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-08-22 16:05:58,396 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-08-22 16:05:58,396 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2020-08-22 16:05:58,396 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse4 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2 .cse4) (or .cse7 .cse0 .cse1 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse1 .cse4))) [2020-08-22 16:05:58,396 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 542 556) no Hoare annotation was computed. [2020-08-22 16:05:58,397 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse7 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse2 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse2 .cse7))) [2020-08-22 16:05:58,397 INFO L268 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2020-08-22 16:05:58,397 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2020-08-22 16:05:58,397 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2020-08-22 16:05:58,397 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 478 486) no Hoare annotation was computed. [2020-08-22 16:05:58,397 INFO L268 CegarLoopResult]: For program point L506(lines 506 514) no Hoare annotation was computed. [2020-08-22 16:05:58,397 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2020-08-22 16:05:58,398 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 487 522) no Hoare annotation was computed. [2020-08-22 16:05:58,398 INFO L268 CegarLoopResult]: For program point L494(lines 494 502) no Hoare annotation was computed. [2020-08-22 16:05:58,398 INFO L268 CegarLoopResult]: For program point L494-2(lines 494 502) no Hoare annotation was computed. [2020-08-22 16:05:58,398 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 487 522) no Hoare annotation was computed. [2020-08-22 16:05:58,398 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-22 16:05:58,398 INFO L268 CegarLoopResult]: For program point L517-1(line 517) no Hoare annotation was computed. [2020-08-22 16:05:58,398 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 487 522) no Hoare annotation was computed. [2020-08-22 16:05:58,398 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2020-08-22 16:05:58,399 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2020-08-22 16:05:58,399 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 599 644) no Hoare annotation was computed. [2020-08-22 16:05:58,399 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 599 644) no Hoare annotation was computed. [2020-08-22 16:05:58,399 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 599 644) no Hoare annotation was computed. [2020-08-22 16:05:58,399 INFO L268 CegarLoopResult]: For program point L926(lines 926 946) no Hoare annotation was computed. [2020-08-22 16:05:58,399 INFO L268 CegarLoopResult]: For program point L926-1(lines 926 946) no Hoare annotation was computed. [2020-08-22 16:05:58,399 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 912 957) no Hoare annotation was computed. [2020-08-22 16:05:58,399 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 912 957) no Hoare annotation was computed. [2020-08-22 16:05:58,400 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 912 957) no Hoare annotation was computed. [2020-08-22 16:05:58,400 INFO L268 CegarLoopResult]: For program point L932(lines 932 939) no Hoare annotation was computed. [2020-08-22 16:05:58,400 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:05:58,400 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2020-08-22 16:05:58,400 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2020-08-22 16:05:58,400 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:05:58,401 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2020-08-22 16:05:58,401 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2020-08-22 16:05:58,401 INFO L271 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: true [2020-08-22 16:05:58,401 INFO L268 CegarLoopResult]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-08-22 16:05:58,401 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 467 477) no Hoare annotation was computed. [2020-08-22 16:05:58,401 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse2))) [2020-08-22 16:05:58,402 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2020-08-22 16:05:58,402 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 459 466) no Hoare annotation was computed. [2020-08-22 16:05:58,402 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-08-22 16:05:58,402 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-08-22 16:05:58,402 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-08-22 16:05:58,402 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-08-22 16:05:58,403 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse2 .cse8) (or .cse1 .cse6 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse7 .cse2 .cse8))) [2020-08-22 16:05:58,403 INFO L268 CegarLoopResult]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2020-08-22 16:05:58,403 INFO L264 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse0 .cse4 .cse5 .cse2 .cse7) (or .cse1 .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3))) [2020-08-22 16:05:58,403 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2020-08-22 16:05:58,403 INFO L264 CegarLoopResult]: At program point L436(line 436) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0))) (.cse8 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse7) .cse3 .cse8) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse6 .cse2 .cse7 .cse3 .cse8))) [2020-08-22 16:05:58,404 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse3 .cse8) (or .cse0 .cse5 .cse6 .cse2 .cse3 .cse8) (or .cse1 .cse7 .cse2 .cse3 .cse4))) [2020-08-22 16:05:58,404 INFO L268 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2020-08-22 16:05:58,404 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse5 .cse6 .cse3 .cse8) (or .cse1 .cse7 .cse2 .cse3 .cse4))) [2020-08-22 16:05:58,404 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-08-22 16:05:58,404 INFO L268 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2020-08-22 16:05:58,404 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2020-08-22 16:05:58,404 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2020-08-22 16:05:58,405 INFO L264 CegarLoopResult]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:05:58,405 INFO L264 CegarLoopResult]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse3 .cse4 .cse5) (and .cse8 .cse7 .cse1 .cse3 .cse4 .cse5) (and .cse6 .cse8 .cse7 .cse3 .cse4 .cse5))) [2020-08-22 16:05:58,405 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse8 .cse7 .cse1 .cse3 .cse4 .cse5) (and .cse6 .cse8 .cse7 .cse3 .cse4 .cse5))) [2020-08-22 16:05:58,405 INFO L268 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-08-22 16:05:58,406 INFO L268 CegarLoopResult]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2020-08-22 16:05:58,406 INFO L268 CegarLoopResult]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2020-08-22 16:05:58,406 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-08-22 16:05:58,406 INFO L264 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:05:58,406 INFO L264 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse6 .cse4 .cse7) (and .cse0 .cse2 .cse6 .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse5 .cse3 .cse4 .cse7) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-08-22 16:05:58,407 INFO L268 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2020-08-22 16:05:58,407 INFO L264 CegarLoopResult]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse8 (= ~methAndRunningLastTime~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse7 .cse5 .cse3 .cse4) (and .cse7 .cse2 .cse5 .cse3 .cse4 .cse8) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse6 .cse0 .cse7 .cse3 .cse4) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse8))) [2020-08-22 16:05:58,407 INFO L268 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2020-08-22 16:05:58,407 INFO L268 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2020-08-22 16:05:58,407 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse8 .cse7 .cse3 .cse4 .cse5) (and .cse8 .cse7 .cse1 .cse3 .cse4 .cse5))) [2020-08-22 16:05:58,408 INFO L268 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-08-22 16:05:58,408 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2020-08-22 16:05:58,408 INFO L268 CegarLoopResult]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2020-08-22 16:05:58,408 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 866 911) no Hoare annotation was computed. [2020-08-22 16:05:58,408 INFO L268 CegarLoopResult]: For program point L886(lines 886 893) no Hoare annotation was computed. [2020-08-22 16:05:58,408 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 866 911) no Hoare annotation was computed. [2020-08-22 16:05:58,408 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 866 911) no Hoare annotation was computed. [2020-08-22 16:05:58,408 INFO L268 CegarLoopResult]: For program point L880(lines 880 900) no Hoare annotation was computed. [2020-08-22 16:05:58,409 INFO L268 CegarLoopResult]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2020-08-22 16:05:58,409 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (let ((.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 .cse8 .cse3) (or .cse0 .cse6 .cse7 .cse2 .cse3 .cse9) (or .cse6 .cse5 .cse7 .cse2 .cse3 .cse9) (or .cse6 .cse5 .cse2 .cse3 .cse4) (or .cse5 .cse7 .cse1 .cse2 .cse3 .cse9) (or .cse5 .cse7 .cse1 .cse8 .cse3) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse9))) [2020-08-22 16:05:58,409 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse3 .cse6) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse7) (or .cse0 .cse2 .cse3 .cse6) (or .cse8 .cse2 .cse3 .cse6) (or .cse8 .cse5 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse7) (or .cse8 .cse1 .cse2 .cse3 .cse4))) [2020-08-22 16:05:58,409 INFO L268 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-08-22 16:05:58,409 INFO L268 CegarLoopResult]: For program point L268(lines 268 278) no Hoare annotation was computed. [2020-08-22 16:05:58,410 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse9 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse7) (or .cse8 .cse5 .cse1 .cse3 .cse7 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse7 .cse4) (or .cse5 .cse0 .cse3 .cse7 .cse9) (or .cse0 .cse2 .cse3 .cse9) (or .cse8 .cse2 .cse3 .cse9) (or .cse0 .cse1 .cse2 .cse6) (or .cse8 .cse1 .cse2 .cse3 .cse4))) [2020-08-22 16:05:58,410 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-08-22 16:05:58,410 INFO L268 CegarLoopResult]: For program point L264(lines 264 281) no Hoare annotation was computed. [2020-08-22 16:05:58,410 INFO L268 CegarLoopResult]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2020-08-22 16:05:58,410 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (let ((.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 .cse8 .cse3) (or .cse0 .cse6 .cse7 .cse2 .cse3 .cse9) (or .cse6 .cse5 .cse7 .cse2 .cse3 .cse9) (or .cse6 .cse5 .cse2 .cse3 .cse4) (or .cse5 .cse7 .cse1 .cse2 .cse3 .cse9) (or .cse5 .cse7 .cse1 .cse8 .cse3) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse9))) [2020-08-22 16:05:58,411 INFO L268 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-08-22 16:05:58,411 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2020-08-22 16:05:58,411 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-08-22 16:05:58,411 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-08-22 16:05:58,411 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-08-22 16:05:58,411 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-08-22 16:05:58,411 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-08-22 16:05:58,412 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-08-22 16:05:58,412 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 248 255) no Hoare annotation was computed. [2020-08-22 16:05:58,412 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2020-08-22 16:05:58,412 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 559 568) no Hoare annotation was computed. [2020-08-22 16:05:58,412 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 559 568) no Hoare annotation was computed. [2020-08-22 16:05:58,412 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 559 568) no Hoare annotation was computed. [2020-08-22 16:05:58,412 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 763 865) no Hoare annotation was computed. [2020-08-22 16:05:58,412 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-08-22 16:05:58,413 INFO L268 CegarLoopResult]: For program point L828-1(line 828) no Hoare annotation was computed. [2020-08-22 16:05:58,413 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-08-22 16:05:58,413 INFO L268 CegarLoopResult]: For program point L851(lines 851 862) no Hoare annotation was computed. [2020-08-22 16:05:58,413 INFO L268 CegarLoopResult]: For program point L814(lines 814 818) no Hoare annotation was computed. [2020-08-22 16:05:58,413 INFO L268 CegarLoopResult]: For program point L812-2(lines 812 832) no Hoare annotation was computed. [2020-08-22 16:05:58,413 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 763 865) no Hoare annotation was computed. [2020-08-22 16:05:58,413 INFO L268 CegarLoopResult]: For program point L833(lines 811 834) no Hoare annotation was computed. [2020-08-22 16:05:58,413 INFO L268 CegarLoopResult]: For program point L792(lines 792 808) no Hoare annotation was computed. [2020-08-22 16:05:58,414 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-08-22 16:05:58,414 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 763 865) no Hoare annotation was computed. [2020-08-22 16:05:58,414 INFO L268 CegarLoopResult]: For program point L813(lines 812 832) no Hoare annotation was computed. [2020-08-22 16:05:58,414 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-22 16:05:58,414 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-08-22 16:05:58,414 INFO L268 CegarLoopResult]: For program point L809(lines 809 850) no Hoare annotation was computed. [2020-08-22 16:05:58,414 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:05:58,415 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)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.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~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-22 16:05:58,415 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:05:58,415 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 451 458) no Hoare annotation was computed. [2020-08-22 16:05:58,415 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2020-08-22 16:05:58,416 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-08-22 16:05:58,416 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-08-22 16:05:58,416 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-08-22 16:05:58,416 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-08-22 16:05:58,416 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-08-22 16:05:58,416 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2020-08-22 16:05:58,416 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2020-08-22 16:05:58,417 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2020-08-22 16:05:58,417 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-08-22 16:05:58,417 INFO L271 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: true [2020-08-22 16:05:58,417 INFO L268 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-08-22 16:05:58,417 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-08-22 16:05:58,417 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 1 ~systemActive~0))) (.cse9 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse7 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse2 .cse4 .cse5 .cse7) (or .cse1 .cse6 .cse3 .cse2 .cse8 .cse5) (or .cse1 .cse6 .cse2 .cse4 .cse9 .cse7) (or .cse1 .cse6 .cse2 .cse8 .cse9 .cse7) (or .cse0 .cse2 .cse4 .cse9 .cse7))) [2020-08-22 16:05:58,417 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-08-22 16:05:58,417 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:05:58,417 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 16:05:58,417 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:05:58,418 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-08-22 16:05:58,418 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-08-22 16:05:58,418 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-08-22 16:05:58,418 INFO L264 CegarLoopResult]: At program point L381(line 381) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse10 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse1 .cse13 .cse14)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (and .cse1 .cse13 .cse14 (<= ~waterLevel~0 0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse12 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse13 .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse3 .cse9 .cse4) (or .cse6 .cse0 .cse10 .cse9) (or .cse1 .cse2 .cse7 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse11 .cse2 .cse3 .cse12) (or .cse6 .cse7 .cse10 .cse9) (or .cse6 .cse0 .cse8 .cse3 .cse9 .cse4) (or .cse6 .cse11 .cse2 .cse7 .cse3 .cse12)))) [2020-08-22 16:05:58,419 INFO L264 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse20 (= 1 ~systemActive~0)) (.cse19 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~methAndRunningLastTime~0 0))) (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse11 (and (<= 1 ~pumpRunning~0) .cse6 .cse13)) (.cse2 (and .cse6 .cse12 .cse15)) (.cse10 (not (<= |old(~waterLevel~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse14 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not .cse19)) (.cse8 (not .cse20)) (.cse17 (<= ~waterLevel~0 0)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse16 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse11 .cse0 .cse1 .cse8 .cse4 .cse9 (and .cse6 .cse12 .cse13)) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse11 .cse0 .cse5 .cse2 .cse8 .cse4 .cse9) (or .cse6 .cse7 .cse1 .cse8 .cse9 .cse10) (or .cse1 .cse12 .cse14 .cse8 .cse4 .cse9) (or .cse0 (and .cse6 .cse15 .cse16 .cse17) .cse5 (and .cse18 .cse15 .cse16) .cse7 .cse8) (or .cse5 .cse12 .cse14 .cse8 .cse4 .cse9) (or (and .cse6 .cse19 .cse20 .cse12 .cse15 .cse17) .cse0 (and .cse18 .cse19 .cse20 .cse12 .cse15) .cse7 .cse1 .cse8 (and .cse6 .cse19 .cse20 .cse15 .cse16 .cse17) (and .cse18 .cse19 .cse20 .cse15 .cse16))))) [2020-08-22 16:05:58,419 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (let ((.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse2) (or .cse0 .cse1 .cse8 .cse3) (or .cse0 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse6 .cse8 .cse3) (or .cse0 .cse1 .cse5 .cse7 .cse2))) [2020-08-22 16:05:58,419 INFO L268 CegarLoopResult]: For program point L372(lines 371 390) no Hoare annotation was computed. [2020-08-22 16:05:58,419 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse6 .cse4 .cse7) (or .cse0 .cse8 .cse2 .cse3 .cse4) (or .cse0 .cse8 .cse2 .cse6 .cse4 .cse7) (or .cse0 .cse8 .cse5 .cse2 .cse6))) [2020-08-22 16:05:58,419 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2020-08-22 16:05:58,419 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2020-08-22 16:05:58,419 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2020-08-22 16:05:58,419 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-08-22 16:05:58,419 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2020-08-22 16:05:58,420 INFO L271 CegarLoopResult]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2020-08-22 16:05:58,420 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 16:05:58,420 INFO L271 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2020-08-22 16:05:58,420 INFO L271 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true [2020-08-22 16:05:58,420 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-08-22 16:05:58,420 INFO L271 CegarLoopResult]: At program point L168(lines 143 172) the Hoare annotation is: true [2020-08-22 16:05:58,420 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-08-22 16:05:58,420 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-08-22 16:05:58,420 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-08-22 16:05:58,421 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-08-22 16:05:58,421 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2020-08-22 16:05:58,421 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2020-08-22 16:05:58,421 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:05:58,421 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-08-22 16:05:58,421 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:05:58,421 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:05:58,422 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse3 .cse4 .cse5) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 1))))) [2020-08-22 16:05:58,422 INFO L264 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~3 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse3 .cse4 .cse5) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (<= ~waterLevel~0 1))))) [2020-08-22 16:05:58,422 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2020-08-22 16:05:58,422 INFO L264 CegarLoopResult]: At program point L410(line 410) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse4) (or .cse7 .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse4))) [2020-08-22 16:05:58,422 INFO L268 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2020-08-22 16:05:58,422 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4 (not (<= ~waterLevel~0 1))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse3 .cse4 .cse5))) [2020-08-22 16:05:58,422 INFO L268 CegarLoopResult]: For program point L406-1(line 406) no Hoare annotation was computed. [2020-08-22 16:05:58,422 INFO L268 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2020-08-22 16:05:58,423 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (not (<= ~waterLevel~0 1))))) [2020-08-22 16:05:58,423 INFO L268 CegarLoopResult]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2020-08-22 16:05:58,423 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-08-22 16:05:58,423 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-08-22 16:05:58,423 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse6 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse8 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse2 .cse3 .cse4 .cse7 .cse8) (or .cse0 .cse6 .cse1 .cse3 .cse5) (or .cse0 .cse2 .cse3 .cse4 .cse7 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse8))) [2020-08-22 16:05:58,423 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 286 293) no Hoare annotation was computed. [2020-08-22 16:05:58,423 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2020-08-22 16:05:58,423 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2020-08-22 16:05:58,423 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2020-08-22 16:05:58,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:05:58 BoogieIcfgContainer [2020-08-22 16:05:58,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:05:58,445 INFO L168 Benchmark]: Toolchain (without parser) took 117941.57 ms. Allocated memory was 140.5 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 102.8 MB in the beginning and 57.4 MB in the end (delta: 45.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-08-22 16:05:58,445 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:05:58,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.69 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 102.6 MB in the beginning and 168.5 MB in the end (delta: -65.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:05:58,446 INFO L168 Benchmark]: Boogie Preprocessor took 103.15 ms. Allocated memory is still 202.4 MB. Free memory was 168.5 MB in the beginning and 163.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:05:58,447 INFO L168 Benchmark]: RCFGBuilder took 1185.21 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 163.9 MB in the beginning and 192.5 MB in the end (delta: -28.6 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:05:58,447 INFO L168 Benchmark]: TraceAbstraction took 115981.50 ms. Allocated memory was 235.9 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 192.5 MB in the beginning and 57.4 MB in the end (delta: 135.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-08-22 16:05:58,450 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.69 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 102.6 MB in the beginning and 168.5 MB in the end (delta: -65.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.15 ms. Allocated memory is still 202.4 MB. Free memory was 168.5 MB in the beginning and 163.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1185.21 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 163.9 MB in the beginning and 192.5 MB in the end (delta: -28.6 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 115981.50 ms. Allocated memory was 235.9 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 192.5 MB in the beginning and 57.4 MB in the end (delta: 135.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((((0 == systemActive && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 2) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && 1 <= methaneLevelCritical) && waterLevel <= 2) && splverifierCounter == 0)) || (((((1 == systemActive && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 2) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(\old(methAndRunningLastTime) == 0)) || (((((0 == systemActive && pumpRunning == \old(pumpRunning)) && \old(methaneLevelCritical) == methaneLevelCritical) && waterLevel <= 2) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && waterLevel <= 2) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && splverifierCounter == 0) && methAndRunningLastTime == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53.7s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 41.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 62.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1945 SDtfs, 4407 SDslu, 3424 SDs, 0 SdLazy, 10889 SolverSat, 3556 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1383 GetRequests, 1089 SyntacticMatches, 9 SemanticMatches, 285 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4014 ImplicationChecksByTransitivity, 16.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2430occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 4859 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 4841 PreInvPairs, 4993 NumberOfFragments, 4246 HoareAnnotationTreeSize, 4841 FomulaSimplifications, 2573185097 FormulaSimplificationTreeSizeReduction, 18.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 182480189 FormulaSimplificationTreeSizeReductionInter, 43.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 1879 NumberOfCodeBlocks, 1879 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1862 ConstructedInterpolants, 0 QuantifiedInterpolants, 617093 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3709 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 373/406 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...