/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:56:57,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:56:57,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:56:57,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:56:57,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:56:57,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:56:57,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:56:57,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:56:57,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:56:57,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:56:57,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:56:57,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:56:57,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:56:57,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:56:57,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:56:57,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:56:57,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:56:57,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:56:57,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:56:57,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:56:57,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:56:57,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:56:57,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:56:57,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:56:57,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:56:57,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:56:57,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:56:57,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:56:57,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:56:57,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:56:57,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:56:57,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:56:57,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:56:57,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:56:57,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:56:57,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:56:57,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:56:57,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:56:57,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:56:57,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:56:57,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:56:57,227 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 [2020-07-19 22:56:57,259 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:56:57,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:56:57,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:56:57,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:56:57,261 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:56:57,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:56:57,262 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:56:57,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:56:57,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:56:57,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:56:57,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:56:57,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:56:57,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:56:57,263 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:56:57,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:56:57,264 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:56:57,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:56:57,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:56:57,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:56:57,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:56:57,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:56:57,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:56:57,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:56:57,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:56:57,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:56:57,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:56:57,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:56:57,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:56:57,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:56:57,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:56:57,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:56:57,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:56:57,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:56:57,577 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:56:57,577 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:56:57,578 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-19 22:56:57,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60628199a/db105fa0eb6242be9aff1ec67a89ff0a/FLAGcf2b14fda [2020-07-19 22:56:58,227 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:56:58,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-19 22:56:58,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60628199a/db105fa0eb6242be9aff1ec67a89ff0a/FLAGcf2b14fda [2020-07-19 22:56:58,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60628199a/db105fa0eb6242be9aff1ec67a89ff0a [2020-07-19 22:56:58,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:56:58,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:56:58,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:56:58,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:56:58,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:56:58,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:56:58" (1/1) ... [2020-07-19 22:56:58,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58818f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:58, skipping insertion in model container [2020-07-19 22:56:58,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:56:58" (1/1) ... [2020-07-19 22:56:58,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:56:58,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:56:59,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:56:59,057 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:56:59,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:56:59,184 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:56:59,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:59 WrapperNode [2020-07-19 22:56:59,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:56:59,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:56:59,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:56:59,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:56:59,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:59" (1/1) ... [2020-07-19 22:56:59,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:59" (1/1) ... [2020-07-19 22:56:59,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:59" (1/1) ... [2020-07-19 22:56:59,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:59" (1/1) ... [2020-07-19 22:56:59,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:59" (1/1) ... [2020-07-19 22:56:59,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:59" (1/1) ... [2020-07-19 22:56:59,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:59" (1/1) ... [2020-07-19 22:56:59,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:56:59,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:56:59,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:56:59,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:56:59,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:59" (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 [2020-07-19 22:56:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:56:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:56:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:56:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:56:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:56:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:56:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:56:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:56:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 22:56:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:56:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:56:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:56:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:56:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:56:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:56:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:56:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:56:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:56:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:56:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:56:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:56:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:56:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:56:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:56:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:56:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:56:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:56:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:56:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:56:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:56:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:56:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:56:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:56:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:56:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:56:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:56:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:56:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:56:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:56:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:56:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:56:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:56:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:56:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:56:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:56:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:56:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:56:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:56:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:56:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:56:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:56:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:56:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:56:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:56:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:56:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:56:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:56:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:56:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:56:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:56:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:56:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:56:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:56:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 22:56:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:56:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:56:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:56:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:56:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:56:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:56:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:56:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:56:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:56:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:56:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:56:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:56:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:56:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:56:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:56:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:56:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:56:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:56:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:56:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:56:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:56:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:56:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:56:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:56:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:56:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:56:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:56:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:56:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:56:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:56:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:56:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:56:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:56:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:57:00,467 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:57:00,468 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:57:00,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:57:00 BoogieIcfgContainer [2020-07-19 22:57:00,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:57:00,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:57:00,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:57:00,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:57:00,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:56:58" (1/3) ... [2020-07-19 22:57:00,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194b4585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:57:00, skipping insertion in model container [2020-07-19 22:57:00,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:59" (2/3) ... [2020-07-19 22:57:00,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194b4585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:57:00, skipping insertion in model container [2020-07-19 22:57:00,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:57:00" (3/3) ... [2020-07-19 22:57:00,482 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-07-19 22:57:00,493 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:57:00,501 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:57:00,515 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:57:00,541 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:57:00,541 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:57:00,542 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:57:00,542 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:57:00,542 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:57:00,543 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:57:00,543 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:57:00,543 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:57:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-07-19 22:57:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:57:00,577 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:00,579 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:00,579 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:00,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:00,585 INFO L82 PathProgramCache]: Analyzing trace with hash -981984858, now seen corresponding path program 1 times [2020-07-19 22:57:00,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:00,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745859129] [2020-07-19 22:57:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:57:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:01,297 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:01,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:01,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745859129] [2020-07-19 22:57:01,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:01,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:57:01,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84755809] [2020-07-19 22:57:01,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:57:01,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:01,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:57:01,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:57:01,409 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 4 states. [2020-07-19 22:57:02,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:02,616 INFO L93 Difference]: Finished difference Result 330 states and 424 transitions. [2020-07-19 22:57:02,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:57:02,618 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 22:57:02,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:02,634 INFO L225 Difference]: With dead ends: 330 [2020-07-19 22:57:02,634 INFO L226 Difference]: Without dead ends: 182 [2020-07-19 22:57:02,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:57:02,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-19 22:57:02,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 149. [2020-07-19 22:57:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-19 22:57:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2020-07-19 22:57:02,749 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 59 [2020-07-19 22:57:02,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:02,750 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2020-07-19 22:57:02,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:57:02,750 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2020-07-19 22:57:02,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 22:57:02,763 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:02,763 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:02,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:57:02,764 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:02,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:02,764 INFO L82 PathProgramCache]: Analyzing trace with hash 75711308, now seen corresponding path program 1 times [2020-07-19 22:57:02,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:02,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601637592] [2020-07-19 22:57:02,765 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:57:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:03,192 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:03,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601637592] [2020-07-19 22:57:03,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:03,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:57:03,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987170889] [2020-07-19 22:57:03,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:57:03,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:03,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:57:03,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:57:03,297 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 9 states. [2020-07-19 22:57:03,711 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:04,028 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:04,283 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:04,533 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:05,523 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:07,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:07,577 INFO L93 Difference]: Finished difference Result 506 states and 636 transitions. [2020-07-19 22:57:07,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 22:57:07,580 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 22:57:07,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:07,586 INFO L225 Difference]: With dead ends: 506 [2020-07-19 22:57:07,586 INFO L226 Difference]: Without dead ends: 385 [2020-07-19 22:57:07,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:57:07,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-07-19 22:57:07,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 327. [2020-07-19 22:57:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-07-19 22:57:07,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 402 transitions. [2020-07-19 22:57:07,720 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 402 transitions. Word has length 64 [2020-07-19 22:57:07,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:07,720 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 402 transitions. [2020-07-19 22:57:07,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:57:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 402 transitions. [2020-07-19 22:57:07,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 22:57:07,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:07,723 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:07,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:57:07,724 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:07,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:07,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1055869647, now seen corresponding path program 1 times [2020-07-19 22:57:07,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:07,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329614362] [2020-07-19 22:57:07,725 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:57:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,080 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:57:08,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329614362] [2020-07-19 22:57:08,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:08,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:57:08,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524424699] [2020-07-19 22:57:08,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:57:08,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:08,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:57:08,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:57:08,195 INFO L87 Difference]: Start difference. First operand 327 states and 402 transitions. Second operand 9 states. [2020-07-19 22:57:08,626 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:09,252 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:10,368 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:10,604 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:10,880 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:11,169 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:12,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:12,077 INFO L93 Difference]: Finished difference Result 877 states and 1180 transitions. [2020-07-19 22:57:12,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:57:12,078 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-19 22:57:12,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:12,088 INFO L225 Difference]: With dead ends: 877 [2020-07-19 22:57:12,089 INFO L226 Difference]: Without dead ends: 578 [2020-07-19 22:57:12,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:57:12,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-07-19 22:57:12,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 488. [2020-07-19 22:57:12,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2020-07-19 22:57:12,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 609 transitions. [2020-07-19 22:57:12,210 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 609 transitions. Word has length 70 [2020-07-19 22:57:12,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:12,210 INFO L479 AbstractCegarLoop]: Abstraction has 488 states and 609 transitions. [2020-07-19 22:57:12,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:57:12,211 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 609 transitions. [2020-07-19 22:57:12,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 22:57:12,213 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:12,213 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:12,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:57:12,213 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:12,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:12,214 INFO L82 PathProgramCache]: Analyzing trace with hash -2082867985, now seen corresponding path program 1 times [2020-07-19 22:57:12,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:12,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448360451] [2020-07-19 22:57:12,215 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:57:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,525 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:12,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448360451] [2020-07-19 22:57:12,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:12,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:57:12,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825775445] [2020-07-19 22:57:12,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:57:12,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:12,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:57:12,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:57:12,727 INFO L87 Difference]: Start difference. First operand 488 states and 609 transitions. Second operand 9 states. [2020-07-19 22:57:13,241 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:14,184 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:57:14,516 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:14,794 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:15,032 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:16,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:16,519 INFO L93 Difference]: Finished difference Result 1509 states and 2131 transitions. [2020-07-19 22:57:16,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:57:16,520 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-07-19 22:57:16,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:16,529 INFO L225 Difference]: With dead ends: 1509 [2020-07-19 22:57:16,529 INFO L226 Difference]: Without dead ends: 1049 [2020-07-19 22:57:16,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:57:16,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2020-07-19 22:57:16,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 885. [2020-07-19 22:57:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-07-19 22:57:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1121 transitions. [2020-07-19 22:57:16,684 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1121 transitions. Word has length 107 [2020-07-19 22:57:16,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:16,685 INFO L479 AbstractCegarLoop]: Abstraction has 885 states and 1121 transitions. [2020-07-19 22:57:16,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:57:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1121 transitions. [2020-07-19 22:57:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 22:57:16,688 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:16,688 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:16,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:57:16,689 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:16,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:16,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1842327856, now seen corresponding path program 1 times [2020-07-19 22:57:16,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:16,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522993617] [2020-07-19 22:57:16,690 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:57:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:16,946 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:17,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522993617] [2020-07-19 22:57:17,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:17,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:57:17,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202754723] [2020-07-19 22:57:17,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:57:17,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:17,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:57:17,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:57:17,124 INFO L87 Difference]: Start difference. First operand 885 states and 1121 transitions. Second operand 9 states. [2020-07-19 22:57:18,098 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:18,340 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:57:18,596 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:18,843 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:19,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:19,907 INFO L93 Difference]: Finished difference Result 1913 states and 2626 transitions. [2020-07-19 22:57:19,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:57:19,908 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-07-19 22:57:19,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:19,921 INFO L225 Difference]: With dead ends: 1913 [2020-07-19 22:57:19,921 INFO L226 Difference]: Without dead ends: 1056 [2020-07-19 22:57:19,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:57:19,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2020-07-19 22:57:20,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 905. [2020-07-19 22:57:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2020-07-19 22:57:20,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1141 transitions. [2020-07-19 22:57:20,103 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1141 transitions. Word has length 107 [2020-07-19 22:57:20,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:20,104 INFO L479 AbstractCegarLoop]: Abstraction has 905 states and 1141 transitions. [2020-07-19 22:57:20,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:57:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1141 transitions. [2020-07-19 22:57:20,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 22:57:20,108 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:20,108 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:20,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:57:20,109 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:20,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:20,109 INFO L82 PathProgramCache]: Analyzing trace with hash 85944846, now seen corresponding path program 1 times [2020-07-19 22:57:20,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:20,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660213812] [2020-07-19 22:57:20,110 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:57:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,398 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:20,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:20,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660213812] [2020-07-19 22:57:20,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:20,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:57:20,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770874751] [2020-07-19 22:57:20,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:57:20,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:20,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:57:20,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:57:20,567 INFO L87 Difference]: Start difference. First operand 905 states and 1141 transitions. Second operand 11 states. [2020-07-19 22:57:21,315 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:21,551 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:21,772 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:22,501 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:22,772 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:23,007 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:24,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:24,124 INFO L93 Difference]: Finished difference Result 1702 states and 2268 transitions. [2020-07-19 22:57:24,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:57:24,125 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2020-07-19 22:57:24,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:24,132 INFO L225 Difference]: With dead ends: 1702 [2020-07-19 22:57:24,132 INFO L226 Difference]: Without dead ends: 797 [2020-07-19 22:57:24,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:57:24,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2020-07-19 22:57:24,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 697. [2020-07-19 22:57:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-07-19 22:57:24,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 843 transitions. [2020-07-19 22:57:24,260 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 843 transitions. Word has length 107 [2020-07-19 22:57:24,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:24,263 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 843 transitions. [2020-07-19 22:57:24,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:57:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 843 transitions. [2020-07-19 22:57:24,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-19 22:57:24,267 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:24,267 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:24,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:57:24,268 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:24,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:24,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1945052595, now seen corresponding path program 1 times [2020-07-19 22:57:24,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:24,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118040512] [2020-07-19 22:57:24,275 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:57:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,671 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:24,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118040512] [2020-07-19 22:57:24,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:24,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:57:24,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964496477] [2020-07-19 22:57:24,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:57:24,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:24,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:57:24,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:57:24,857 INFO L87 Difference]: Start difference. First operand 697 states and 843 transitions. Second operand 12 states. [2020-07-19 22:57:25,411 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:26,047 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:26,685 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:27,037 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:27,285 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:57:27,565 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:27,830 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:29,752 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:30,049 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:31,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:31,001 INFO L93 Difference]: Finished difference Result 2212 states and 3039 transitions. [2020-07-19 22:57:31,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 22:57:31,002 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-07-19 22:57:31,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:31,014 INFO L225 Difference]: With dead ends: 2212 [2020-07-19 22:57:31,014 INFO L226 Difference]: Without dead ends: 1674 [2020-07-19 22:57:31,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 22:57:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2020-07-19 22:57:31,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1447. [2020-07-19 22:57:31,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1447 states. [2020-07-19 22:57:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 1761 transitions. [2020-07-19 22:57:31,305 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 1761 transitions. Word has length 111 [2020-07-19 22:57:31,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:31,306 INFO L479 AbstractCegarLoop]: Abstraction has 1447 states and 1761 transitions. [2020-07-19 22:57:31,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:57:31,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1761 transitions. [2020-07-19 22:57:31,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-07-19 22:57:31,312 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:31,312 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:31,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:57:31,313 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:31,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:31,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1487603991, now seen corresponding path program 1 times [2020-07-19 22:57:31,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:31,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797259713] [2020-07-19 22:57:31,315 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:57:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,630 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-07-19 22:57:32,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797259713] [2020-07-19 22:57:32,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746169667] [2020-07-19 22:57:32,029 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@49c8e95e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:57:32,537 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@49c8e95e issued 2 check-sat command(s) [2020-07-19 22:57:32,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:57:32,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-19 22:57:32,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:57:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-19 22:57:32,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:57:32,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2020-07-19 22:57:32,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508070397] [2020-07-19 22:57:32,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:57:32,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:32,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:57:32,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:57:32,651 INFO L87 Difference]: Start difference. First operand 1447 states and 1761 transitions. Second operand 3 states. [2020-07-19 22:57:32,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:32,863 INFO L93 Difference]: Finished difference Result 2233 states and 2610 transitions. [2020-07-19 22:57:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:57:32,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-07-19 22:57:32,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:32,872 INFO L225 Difference]: With dead ends: 2233 [2020-07-19 22:57:32,872 INFO L226 Difference]: Without dead ends: 1339 [2020-07-19 22:57:32,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:57:32,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-07-19 22:57:33,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1339. [2020-07-19 22:57:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2020-07-19 22:57:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1569 transitions. [2020-07-19 22:57:33,117 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1569 transitions. Word has length 220 [2020-07-19 22:57:33,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:33,118 INFO L479 AbstractCegarLoop]: Abstraction has 1339 states and 1569 transitions. [2020-07-19 22:57:33,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:57:33,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1569 transitions. [2020-07-19 22:57:33,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-19 22:57:33,121 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:33,122 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:33,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-07-19 22:57:33,336 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:33,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:33,336 INFO L82 PathProgramCache]: Analyzing trace with hash -451795391, now seen corresponding path program 1 times [2020-07-19 22:57:33,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:33,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057686874] [2020-07-19 22:57:33,337 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:57:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,658 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-19 22:57:33,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057686874] [2020-07-19 22:57:33,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097133397] [2020-07-19 22:57:33,921 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b073232 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 [2020-07-19 22:57:34,368 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b073232 issued 4 check-sat command(s) [2020-07-19 22:57:34,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:57:34,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 22:57:34,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:57:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:57:34,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:57:34,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 22:57:34,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411738253] [2020-07-19 22:57:34,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 22:57:34,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:34,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 22:57:34,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:57:34,527 INFO L87 Difference]: Start difference. First operand 1339 states and 1569 transitions. Second operand 20 states. [2020-07-19 22:57:35,356 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:57:35,683 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:57:35,947 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:57:36,196 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:57:36,819 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 22:57:37,059 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:37,400 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:57:37,878 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:57:39,253 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:39,985 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 22:57:40,355 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:40,739 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:41,370 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:41,798 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:42,446 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:57:43,027 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:57:43,559 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:57:44,265 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:57:45,054 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 22:57:45,416 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:57:45,735 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:46,030 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:57:46,323 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:57:46,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:46,684 INFO L93 Difference]: Finished difference Result 3007 states and 3676 transitions. [2020-07-19 22:57:46,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-07-19 22:57:46,685 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 170 [2020-07-19 22:57:46,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:46,695 INFO L225 Difference]: With dead ends: 3007 [2020-07-19 22:57:46,696 INFO L226 Difference]: Without dead ends: 1872 [2020-07-19 22:57:46,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=1016, Invalid=4386, Unknown=0, NotChecked=0, Total=5402 [2020-07-19 22:57:46,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2020-07-19 22:57:46,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1656. [2020-07-19 22:57:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-07-19 22:57:46,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 1936 transitions. [2020-07-19 22:57:46,957 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 1936 transitions. Word has length 170 [2020-07-19 22:57:46,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:46,960 INFO L479 AbstractCegarLoop]: Abstraction has 1656 states and 1936 transitions. [2020-07-19 22:57:46,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 22:57:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 1936 transitions. [2020-07-19 22:57:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-07-19 22:57:46,970 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:46,970 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:47,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:57:47,184 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:47,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:47,186 INFO L82 PathProgramCache]: Analyzing trace with hash 913052362, now seen corresponding path program 1 times [2020-07-19 22:57:47,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:47,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069466426] [2020-07-19 22:57:47,187 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:57:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,509 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 76 proven. 31 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2020-07-19 22:57:48,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069466426] [2020-07-19 22:57:48,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408276307] [2020-07-19 22:57:48,231 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@433ce199 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:57:48,914 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@433ce199 issued 3 check-sat command(s) [2020-07-19 22:57:48,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:57:48,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 22:57:48,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:57:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 226 proven. 4 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-19 22:57:49,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:57:49,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2020-07-19 22:57:49,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489912728] [2020-07-19 22:57:49,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-19 22:57:49,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:49,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-19 22:57:49,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-07-19 22:57:49,255 INFO L87 Difference]: Start difference. First operand 1656 states and 1936 transitions. Second operand 25 states. [2020-07-19 22:57:50,172 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 22:57:51,130 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:52,150 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 22:57:52,685 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 22:57:53,206 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 22:57:53,466 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:53,755 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:54,080 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:57:54,405 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:57:54,674 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:55,603 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:55,939 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:59,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:59,952 INFO L93 Difference]: Finished difference Result 4465 states and 6058 transitions. [2020-07-19 22:57:59,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-19 22:57:59,952 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 299 [2020-07-19 22:57:59,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:59,969 INFO L225 Difference]: With dead ends: 4465 [2020-07-19 22:57:59,969 INFO L226 Difference]: Without dead ends: 2856 [2020-07-19 22:57:59,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 418 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=746, Invalid=3544, Unknown=0, NotChecked=0, Total=4290 [2020-07-19 22:57:59,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2856 states. [2020-07-19 22:58:00,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2856 to 2052. [2020-07-19 22:58:00,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2052 states. [2020-07-19 22:58:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2410 transitions. [2020-07-19 22:58:00,378 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2410 transitions. Word has length 299 [2020-07-19 22:58:00,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:00,379 INFO L479 AbstractCegarLoop]: Abstraction has 2052 states and 2410 transitions. [2020-07-19 22:58:00,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-19 22:58:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2410 transitions. [2020-07-19 22:58:00,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-07-19 22:58:00,398 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:00,398 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 22:58:00,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:58:00,612 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:00,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:00,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1836144816, now seen corresponding path program 1 times [2020-07-19 22:58:00,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:00,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976658512] [2020-07-19 22:58:00,614 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:58:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:00,912 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 89 proven. 42 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2020-07-19 22:58:01,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976658512] [2020-07-19 22:58:01,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113626313] [2020-07-19 22:58:01,358 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d364051 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 [2020-07-19 22:58:01,904 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d364051 issued 3 check-sat command(s) [2020-07-19 22:58:01,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:58:01,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 22:58:01,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:58:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 264 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-07-19 22:58:02,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:58:02,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-19 22:58:02,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216463440] [2020-07-19 22:58:02,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 22:58:02,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:02,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 22:58:02,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:58:02,134 INFO L87 Difference]: Start difference. First operand 2052 states and 2410 transitions. Second operand 22 states. [2020-07-19 22:58:02,889 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 22:58:03,447 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:58:03,924 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:58:04,425 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:58:05,359 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:58:06,708 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:58:07,178 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:58:07,592 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:08,221 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:08,999 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:09,244 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:09,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:09,897 INFO L93 Difference]: Finished difference Result 4036 states and 4892 transitions. [2020-07-19 22:58:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 22:58:09,898 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 315 [2020-07-19 22:58:09,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:09,910 INFO L225 Difference]: With dead ends: 4036 [2020-07-19 22:58:09,910 INFO L226 Difference]: Without dead ends: 2207 [2020-07-19 22:58:09,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 22:58:09,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2020-07-19 22:58:10,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2054. [2020-07-19 22:58:10,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2054 states. [2020-07-19 22:58:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2406 transitions. [2020-07-19 22:58:10,345 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2406 transitions. Word has length 315 [2020-07-19 22:58:10,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:10,346 INFO L479 AbstractCegarLoop]: Abstraction has 2054 states and 2406 transitions. [2020-07-19 22:58:10,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 22:58:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2406 transitions. [2020-07-19 22:58:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-07-19 22:58:10,357 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:10,357 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 22:58:10,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:10,572 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:10,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:10,573 INFO L82 PathProgramCache]: Analyzing trace with hash 236529018, now seen corresponding path program 1 times [2020-07-19 22:58:10,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:10,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839495352] [2020-07-19 22:58:10,574 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:58:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,870 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,227 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 82 proven. 21 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-07-19 22:58:11,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839495352] [2020-07-19 22:58:11,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283957206] [2020-07-19 22:58:11,228 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b65be21 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:11,636 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b65be21 issued 4 check-sat command(s) [2020-07-19 22:58:11,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:58:11,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-19 22:58:11,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:58:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 193 proven. 16 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-07-19 22:58:11,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:58:11,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-19 22:58:11,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538496314] [2020-07-19 22:58:11,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 22:58:11,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:11,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 22:58:11,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:58:11,851 INFO L87 Difference]: Start difference. First operand 2054 states and 2406 transitions. Second operand 22 states. [2020-07-19 22:58:12,478 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:13,264 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:13,599 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:14,043 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:15,902 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:16,330 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:16,646 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:16,891 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:58:17,238 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:58:17,514 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:58:18,937 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:19,217 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:19,483 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:19,783 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:58:20,274 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 22:58:20,536 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:58:21,013 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 22:58:21,262 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:58:21,768 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 22:58:22,243 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 22:58:23,141 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:23,434 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:23,707 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:23,960 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:24,444 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 22:58:24,919 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 22:58:25,707 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:27,516 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:27,788 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:28,041 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:28,530 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:58:29,004 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:58:31,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:31,366 INFO L93 Difference]: Finished difference Result 8252 states and 10874 transitions. [2020-07-19 22:58:31,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2020-07-19 22:58:31,367 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 316 [2020-07-19 22:58:31,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:31,402 INFO L225 Difference]: With dead ends: 8252 [2020-07-19 22:58:31,403 INFO L226 Difference]: Without dead ends: 6064 [2020-07-19 22:58:31,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 444 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4126 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=2091, Invalid=9899, Unknown=0, NotChecked=0, Total=11990 [2020-07-19 22:58:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6064 states. [2020-07-19 22:58:32,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6064 to 4634. [2020-07-19 22:58:32,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4634 states. [2020-07-19 22:58:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4634 states to 4634 states and 5324 transitions. [2020-07-19 22:58:32,209 INFO L78 Accepts]: Start accepts. Automaton has 4634 states and 5324 transitions. Word has length 316 [2020-07-19 22:58:32,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:32,209 INFO L479 AbstractCegarLoop]: Abstraction has 4634 states and 5324 transitions. [2020-07-19 22:58:32,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 22:58:32,210 INFO L276 IsEmpty]: Start isEmpty. Operand 4634 states and 5324 transitions. [2020-07-19 22:58:32,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2020-07-19 22:58:32,224 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:32,224 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:32,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-19 22:58:32,438 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:32,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:32,439 INFO L82 PathProgramCache]: Analyzing trace with hash -573850118, now seen corresponding path program 1 times [2020-07-19 22:58:32,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:32,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131082119] [2020-07-19 22:58:32,440 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:58:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,765 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 163 proven. 3 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2020-07-19 22:58:33,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131082119] [2020-07-19 22:58:33,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191632062] [2020-07-19 22:58:33,137 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@58976bbe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:33,606 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@58976bbe issued 3 check-sat command(s) [2020-07-19 22:58:33,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:58:33,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 1384 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-19 22:58:33,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:58:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 539 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-07-19 22:58:33,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:58:33,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 11 [2020-07-19 22:58:33,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563201770] [2020-07-19 22:58:33,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:58:33,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:33,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:58:33,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:58:33,705 INFO L87 Difference]: Start difference. First operand 4634 states and 5324 transitions. Second operand 3 states. [2020-07-19 22:58:34,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:34,181 INFO L93 Difference]: Finished difference Result 5554 states and 6418 transitions. [2020-07-19 22:58:34,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:58:34,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 431 [2020-07-19 22:58:34,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:34,192 INFO L225 Difference]: With dead ends: 5554 [2020-07-19 22:58:34,192 INFO L226 Difference]: Without dead ends: 1900 [2020-07-19 22:58:34,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:58:34,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2020-07-19 22:58:34,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1868. [2020-07-19 22:58:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1868 states. [2020-07-19 22:58:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2081 transitions. [2020-07-19 22:58:34,458 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2081 transitions. Word has length 431 [2020-07-19 22:58:34,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:34,458 INFO L479 AbstractCegarLoop]: Abstraction has 1868 states and 2081 transitions. [2020-07-19 22:58:34,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:58:34,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2081 transitions. [2020-07-19 22:58:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-07-19 22:58:34,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:34,466 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:34,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:34,681 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:34,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:34,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1572437737, now seen corresponding path program 1 times [2020-07-19 22:58:34,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:34,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981059104] [2020-07-19 22:58:34,682 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:58:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,020 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,532 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 132 proven. 4 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2020-07-19 22:58:35,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981059104] [2020-07-19 22:58:35,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136777006] [2020-07-19 22:58:35,532 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@631f361e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:36,003 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@631f361e issued 4 check-sat command(s) [2020-07-19 22:58:36,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:58:36,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 22:58:36,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:58:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 408 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-19 22:58:36,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:58:36,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-19 22:58:36,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740368055] [2020-07-19 22:58:36,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:58:36,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:36,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:58:36,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:58:36,269 INFO L87 Difference]: Start difference. First operand 1868 states and 2081 transitions. Second operand 8 states. [2020-07-19 22:58:36,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:36,789 INFO L93 Difference]: Finished difference Result 3454 states and 3864 transitions. [2020-07-19 22:58:36,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:58:36,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 388 [2020-07-19 22:58:36,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:36,798 INFO L225 Difference]: With dead ends: 3454 [2020-07-19 22:58:36,798 INFO L226 Difference]: Without dead ends: 1774 [2020-07-19 22:58:36,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 515 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:58:36,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2020-07-19 22:58:37,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1761. [2020-07-19 22:58:37,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1761 states. [2020-07-19 22:58:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 1956 transitions. [2020-07-19 22:58:37,091 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 1956 transitions. Word has length 388 [2020-07-19 22:58:37,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:37,092 INFO L479 AbstractCegarLoop]: Abstraction has 1761 states and 1956 transitions. [2020-07-19 22:58:37,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:58:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 1956 transitions. [2020-07-19 22:58:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-07-19 22:58:37,098 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:37,098 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:37,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-19 22:58:37,312 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:37,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:37,312 INFO L82 PathProgramCache]: Analyzing trace with hash 2080283791, now seen corresponding path program 1 times [2020-07-19 22:58:37,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:37,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125057884] [2020-07-19 22:58:37,313 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f827167 [2020-07-19 22:58:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,798 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,312 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 183 proven. 26 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2020-07-19 22:58:38,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125057884] [2020-07-19 22:58:38,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180410970] [2020-07-19 22:58:38,312 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5bd29220 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:38,795 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5bd29220 issued 4 check-sat command(s) [2020-07-19 22:58:38,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:58:38,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-19 22:58:38,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:58:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 323 proven. 12 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2020-07-19 22:58:39,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:58:39,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15] total 28 [2020-07-19 22:58:39,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741759394] [2020-07-19 22:58:39,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-07-19 22:58:39,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:39,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-07-19 22:58:39,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2020-07-19 22:58:39,122 INFO L87 Difference]: Start difference. First operand 1761 states and 1956 transitions. Second operand 28 states. [2020-07-19 22:58:40,030 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-07-19 22:58:40,836 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:42,506 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:58:43,072 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:58:43,566 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:58:43,847 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:44,405 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 22:58:44,924 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 22:58:47,147 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 22:58:47,845 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 22:58:48,353 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 22:58:48,851 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 22:58:49,493 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:51,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:51,960 INFO L93 Difference]: Finished difference Result 3096 states and 3597 transitions. [2020-07-19 22:58:51,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-07-19 22:58:51,961 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 392 [2020-07-19 22:58:51,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:51,963 INFO L225 Difference]: With dead ends: 3096 [2020-07-19 22:58:51,963 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:58:51,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 544 SyntacticMatches, 5 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1967 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=1214, Invalid=5106, Unknown=0, NotChecked=0, Total=6320 [2020-07-19 22:58:51,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:58:51,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:58:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:58:51,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:58:51,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2020-07-19 22:58:51,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:51,974 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:58:51,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-07-19 22:58:51,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:58:51,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:58:52,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-07-19 22:58:52,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:58:57,567 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 535 DAG size of output: 400 [2020-07-19 22:59:05,317 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 392 [2020-07-19 22:59:05,675 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 331 [2020-07-19 22:59:10,230 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 237 [2020-07-19 22:59:15,508 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 742 DAG size of output: 570 [2020-07-19 22:59:18,816 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-07-19 22:59:19,011 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 22:59:21,875 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 223 DAG size of output: 49 [2020-07-19 22:59:22,132 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 1 [2020-07-19 22:59:22,541 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 22:59:23,128 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-19 22:59:23,295 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-07-19 22:59:25,201 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 205 DAG size of output: 47 [2020-07-19 22:59:27,150 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 302 DAG size of output: 35 [2020-07-19 22:59:28,419 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 198 DAG size of output: 45 [2020-07-19 22:59:28,635 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-19 22:59:30,024 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 204 DAG size of output: 50 [2020-07-19 22:59:31,768 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 318 DAG size of output: 40 [2020-07-19 22:59:32,053 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 22:59:32,261 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:34,657 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 215 DAG size of output: 68 [2020-07-19 22:59:34,869 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-19 22:59:39,365 WARN L193 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 352 DAG size of output: 71 [2020-07-19 22:59:40,075 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 1 [2020-07-19 22:59:43,664 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 278 DAG size of output: 58 [2020-07-19 22:59:43,989 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-07-19 22:59:44,552 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-19 22:59:45,868 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 277 DAG size of output: 46 [2020-07-19 22:59:46,813 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 47 [2020-07-19 22:59:49,687 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 240 DAG size of output: 54 [2020-07-19 22:59:54,126 WARN L193 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 333 DAG size of output: 58 [2020-07-19 22:59:54,494 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-07-19 22:59:56,561 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 217 DAG size of output: 47 [2020-07-19 22:59:58,372 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 197 DAG size of output: 45 [2020-07-19 22:59:58,559 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-19 23:00:00,294 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 205 DAG size of output: 51 [2020-07-19 23:00:00,475 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-19 23:00:00,680 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-07-19 23:00:00,875 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 23:00:02,138 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 226 DAG size of output: 60 [2020-07-19 23:00:02,347 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-07-19 23:00:03,890 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 212 DAG size of output: 48 [2020-07-19 23:00:04,982 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 183 DAG size of output: 60 [2020-07-19 23:00:06,073 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 197 DAG size of output: 47 [2020-07-19 23:00:07,598 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 206 DAG size of output: 71 [2020-07-19 23:00:07,778 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-19 23:00:09,308 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 215 DAG size of output: 50 [2020-07-19 23:00:09,556 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 1 [2020-07-19 23:00:09,756 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 23:00:09,984 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-19 23:00:10,211 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 24 [2020-07-19 23:00:11,488 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 203 DAG size of output: 50 [2020-07-19 23:00:13,714 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 238 DAG size of output: 53 [2020-07-19 23:00:15,364 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 244 DAG size of output: 23 [2020-07-19 23:00:15,712 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-07-19 23:00:18,035 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 467 DAG size of output: 64 [2020-07-19 23:00:21,210 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 343 DAG size of output: 37 [2020-07-19 23:00:21,470 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 1 [2020-07-19 23:00:21,691 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-19 23:00:21,897 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 23:00:21,902 INFO L268 CegarLoopResult]: For program point L544(lines 521 545) no Hoare annotation was computed. [2020-07-19 23:00:21,903 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 497 552) no Hoare annotation was computed. [2020-07-19 23:00:21,903 INFO L268 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-07-19 23:00:21,903 INFO L268 CegarLoopResult]: For program point L528-1(lines 528 532) no Hoare annotation was computed. [2020-07-19 23:00:21,903 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-19 23:00:21,903 INFO L268 CegarLoopResult]: For program point L522-2(lines 522 543) no Hoare annotation was computed. [2020-07-19 23:00:21,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 497 552) no Hoare annotation was computed. [2020-07-19 23:00:21,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 497 552) no Hoare annotation was computed. [2020-07-19 23:00:21,904 INFO L268 CegarLoopResult]: For program point L579-2(lines 579 604) no Hoare annotation was computed. [2020-07-19 23:00:21,904 INFO L268 CegarLoopResult]: For program point L605(lines 578 606) no Hoare annotation was computed. [2020-07-19 23:00:21,904 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-07-19 23:00:21,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 553 612) no Hoare annotation was computed. [2020-07-19 23:00:21,905 INFO L268 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-07-19 23:00:21,905 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 553 612) no Hoare annotation was computed. [2020-07-19 23:00:21,905 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 553 612) no Hoare annotation was computed. [2020-07-19 23:00:21,905 INFO L268 CegarLoopResult]: For program point L585(lines 585 589) no Hoare annotation was computed. [2020-07-19 23:00:21,905 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2020-07-19 23:00:21,905 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 23:00:21,905 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2020-07-19 23:00:21,905 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2020-07-19 23:00:21,906 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2020-07-19 23:00:21,906 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2020-07-19 23:00:21,906 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 836 844) no Hoare annotation was computed. [2020-07-19 23:00:21,906 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 848 855) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 23:00:21,906 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 848 855) no Hoare annotation was computed. [2020-07-19 23:00:21,906 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 848 855) no Hoare annotation was computed. [2020-07-19 23:00:21,907 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 856 865) the Hoare annotation is: (let ((.cse11 (not (= 0 ~systemActive~0))) (.cse13 (not (<= 1 ~waterLevel~0))) (.cse2 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse12 (not (<= ~waterLevel~0 1))) (.cse14 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (< 1 ~waterLevel~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse10 (not (= 0 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse8 .cse3 .cse4 .cse6) (or .cse9 .cse0 .cse3 .cse10 .cse5 .cse6) (or .cse7 .cse1 .cse8 .cse3 .cse10 .cse6) (or .cse11 .cse3 .cse12 .cse10) (or .cse9 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse13 .cse1 .cse2 .cse3 .cse12 .cse4 .cse6) (or (not (= 2 ~waterLevel~0)) .cse11 .cse3 .cse10) (or .cse9 .cse7 .cse8 .cse3 .cse10 .cse6) (or .cse14 .cse1 .cse3 .cse10 .cse6) (or .cse13 .cse9 .cse2 .cse3 .cse12 .cse4 .cse6) (or .cse9 .cse14 .cse3 .cse10 .cse6) (or .cse9 .cse7 .cse8 .cse3 .cse4 .cse6) (or .cse0 .cse1 .cse3 .cse10 .cse5 .cse6))) [2020-07-19 23:00:21,907 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-19 23:00:21,907 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 856 865) no Hoare annotation was computed. [2020-07-19 23:00:21,907 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 856 865) no Hoare annotation was computed. [2020-07-19 23:00:21,907 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~waterLevel~0))) (.cse3 (not (<= ~waterLevel~0 0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse9 (not (< 1 ~waterLevel~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (not (= 0 ~systemActive~0)) .cse2) (or .cse6 .cse0 .cse2 .cse3 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse1 (not (<= ~waterLevel~0 1)) .cse2 .cse4) (or .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (or .cse6 .cse5 .cse9 .cse2 .cse4) (or .cse5 .cse1 .cse9 .cse8 .cse4) (or .cse5 .cse1 .cse9 .cse2 .cse4) (or .cse10 .cse1 .cse7 .cse8 .cse4) (or .cse6 .cse10 .cse2 .cse4))) [2020-07-19 23:00:21,907 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 866 894) the Hoare annotation is: true [2020-07-19 23:00:21,907 INFO L268 CegarLoopResult]: For program point L879(lines 879 885) no Hoare annotation was computed. [2020-07-19 23:00:21,908 INFO L268 CegarLoopResult]: For program point L878(lines 878 888) no Hoare annotation was computed. [2020-07-19 23:00:21,908 INFO L264 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (let ((.cse11 (not (< 1 ~waterLevel~0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse12 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse8 (not (<= ~waterLevel~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse7 .cse8 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse8 .cse4) (or .cse9 .cse10 .cse11 .cse3 .cse4) (or .cse10 .cse2 .cse11 .cse7 .cse4) (or .cse10 .cse2 .cse11 .cse3 .cse4) (or .cse0 .cse10 .cse12 .cse3) (or .cse12 (not (= 2 ~waterLevel~0)) .cse3) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse6 (not (<= ~waterLevel~0 1)) .cse7 .cse4) (or .cse0 .cse9 .cse1 .cse3 .cse4) (or .cse0 .cse9 .cse5 .cse3 .cse8 .cse4))) [2020-07-19 23:00:21,908 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 866 894) no Hoare annotation was computed. [2020-07-19 23:00:21,908 INFO L268 CegarLoopResult]: For program point L876-1(line 876) no Hoare annotation was computed. [2020-07-19 23:00:21,908 INFO L268 CegarLoopResult]: For program point L874(lines 874 891) no Hoare annotation was computed. [2020-07-19 23:00:21,908 INFO L268 CegarLoopResult]: For program point L874-1(lines 866 894) no Hoare annotation was computed. [2020-07-19 23:00:21,908 INFO L271 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: true [2020-07-19 23:00:21,909 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-07-19 23:00:21,909 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 421 443) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:00:21,909 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 421 443) no Hoare annotation was computed. [2020-07-19 23:00:21,909 INFO L264 CegarLoopResult]: At program point L433(line 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~5) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:21,909 INFO L264 CegarLoopResult]: At program point L433-1(line 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~5) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:21,909 INFO L268 CegarLoopResult]: For program point L431(lines 431 438) no Hoare annotation was computed. [2020-07-19 23:00:21,909 INFO L268 CegarLoopResult]: For program point L431-1(lines 431 438) no Hoare annotation was computed. [2020-07-19 23:00:21,910 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-19 23:00:21,910 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 421 443) no Hoare annotation was computed. [2020-07-19 23:00:21,910 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:00:21,910 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:00:21,910 INFO L264 CegarLoopResult]: At program point L427-1(line 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:00:21,910 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-07-19 23:00:21,910 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-07-19 23:00:21,910 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 375 398) no Hoare annotation was computed. [2020-07-19 23:00:21,911 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-19 23:00:21,911 INFO L268 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-07-19 23:00:21,911 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-07-19 23:00:21,911 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 375 398) no Hoare annotation was computed. [2020-07-19 23:00:21,911 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-07-19 23:00:21,911 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 375 398) no Hoare annotation was computed. [2020-07-19 23:00:21,911 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-07-19 23:00:21,911 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-19 23:00:21,911 INFO L268 CegarLoopResult]: For program point L391(line 391) no Hoare annotation was computed. [2020-07-19 23:00:21,911 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-19 23:00:21,912 INFO L268 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-07-19 23:00:21,912 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-07-19 23:00:21,912 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-07-19 23:00:21,912 INFO L268 CegarLoopResult]: For program point L386(line 386) no Hoare annotation was computed. [2020-07-19 23:00:21,912 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse7 .cse8 .cse9 .cse10 .cse2 (not (<= ~waterLevel~0 1)) .cse3) (or .cse5 .cse9 .cse8 .cse10 .cse2 .cse6 .cse3) (or .cse7 .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3))) [2020-07-19 23:00:21,912 INFO L268 CegarLoopResult]: For program point L118-1(lines 99 123) no Hoare annotation was computed. [2020-07-19 23:00:21,912 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse7 (not (<= 0 ~waterLevel~0))) (.cse8 (not (<= ~waterLevel~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~0) (= 0 ~pumpRunning~0))) (.cse12 (not (< 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse1 .cse2 .cse8 .cse5) (or .cse7 .cse9 .cse10 .cse3 .cse8 .cse5) (or .cse7 .cse1 .cse2 .cse3 .cse8 .cse5) (or .cse11 .cse1 .cse3 .cse12 .cse2 .cse5) (or .cse6 .cse11 .cse1 .cse2 .cse12 .cse5) (or (not (= 1 ~waterLevel~0)) .cse9 .cse10 .cse3 .cse5))) [2020-07-19 23:00:21,913 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 99 123) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse9 (not (<= 1 ~waterLevel~0))) (.cse13 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (< 1 ~waterLevel~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= 1 ~waterLevel~0)) .cse2 .cse6 .cse3 .cse5) (or .cse7 .cse2 .cse6 .cse8 .cse3 .cse5) (or .cse9 .cse10 .cse11 .cse12 .cse6 .cse13 .cse5) (or .cse1 .cse11 .cse10 .cse12 .cse6 .cse4 .cse5) (or .cse9 .cse0 .cse2 .cse3 .cse13 .cse5) (or .cse0 .cse7 .cse2 .cse8 .cse3 .cse5) (or .cse1 .cse2 .cse6 .cse3 .cse4 .cse5))) [2020-07-19 23:00:21,913 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (< 1 ~waterLevel~0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 (not (<= ~waterLevel~0 1)) .cse4) (or .cse7 .cse2 .cse6 .cse8 .cse9 .cse4) (or .cse1 .cse10 .cse11 .cse6 .cse3 .cse4) (or .cse0 .cse7 .cse2 .cse8 .cse9 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse5 .cse10 .cse11 .cse6 .cse4))) [2020-07-19 23:00:21,913 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 99 123) no Hoare annotation was computed. [2020-07-19 23:00:21,913 INFO L268 CegarLoopResult]: For program point L107(lines 107 115) no Hoare annotation was computed. [2020-07-19 23:00:21,913 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= ~waterLevel~0 2))) (.cse10 (not (< 1 ~waterLevel~0))) (.cse7 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse8 (not (<= ~waterLevel~0 0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse1 .cse3 .cse8 .cse5) (or .cse9 .cse1 .cse2 .cse10 .cse3 .cse5) (or .cse7 .cse11 .cse12 .cse2 .cse8 .cse5) (or .cse0 .cse6 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse9 .cse1 .cse10 .cse3 .cse5) (or .cse7 .cse1 .cse2 .cse3 .cse8 .cse5) (or (not (= 1 ~waterLevel~0)) .cse11 .cse12 .cse2 .cse5))) [2020-07-19 23:00:21,914 INFO L268 CegarLoopResult]: For program point L105-1(line 105) no Hoare annotation was computed. [2020-07-19 23:00:21,914 INFO L268 CegarLoopResult]: For program point L103(lines 103 120) no Hoare annotation was computed. [2020-07-19 23:00:21,914 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 258 272) no Hoare annotation was computed. [2020-07-19 23:00:21,914 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3))) [2020-07-19 23:00:21,914 INFO L268 CegarLoopResult]: For program point L262(lines 262 268) no Hoare annotation was computed. [2020-07-19 23:00:21,914 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 258 272) the Hoare annotation is: (let ((.cse4 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse3) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~pumpRunning~0)))))) [2020-07-19 23:00:21,914 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 258 272) no Hoare annotation was computed. [2020-07-19 23:00:21,914 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 194 202) no Hoare annotation was computed. [2020-07-19 23:00:21,915 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 194 202) the Hoare annotation is: true [2020-07-19 23:00:21,915 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 194 202) no Hoare annotation was computed. [2020-07-19 23:00:21,915 INFO L268 CegarLoopResult]: For program point L222(lines 222 230) no Hoare annotation was computed. [2020-07-19 23:00:21,915 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 230) no Hoare annotation was computed. [2020-07-19 23:00:21,915 INFO L268 CegarLoopResult]: For program point L210(lines 210 218) no Hoare annotation was computed. [2020-07-19 23:00:21,915 INFO L268 CegarLoopResult]: For program point L210-2(lines 210 218) no Hoare annotation was computed. [2020-07-19 23:00:21,915 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 203 238) no Hoare annotation was computed. [2020-07-19 23:00:21,915 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-19 23:00:21,915 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-07-19 23:00:21,916 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 203 238) no Hoare annotation was computed. [2020-07-19 23:00:21,916 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 203 238) no Hoare annotation was computed. [2020-07-19 23:00:21,916 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2020-07-19 23:00:21,916 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2020-07-19 23:00:21,916 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 451 496) no Hoare annotation was computed. [2020-07-19 23:00:21,916 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 451 496) no Hoare annotation was computed. [2020-07-19 23:00:21,916 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 451 496) no Hoare annotation was computed. [2020-07-19 23:00:21,916 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 764 809) no Hoare annotation was computed. [2020-07-19 23:00:21,917 INFO L268 CegarLoopResult]: For program point L784(lines 784 791) no Hoare annotation was computed. [2020-07-19 23:00:21,917 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 764 809) no Hoare annotation was computed. [2020-07-19 23:00:21,917 INFO L268 CegarLoopResult]: For program point L778(lines 778 798) no Hoare annotation was computed. [2020-07-19 23:00:21,917 INFO L268 CegarLoopResult]: For program point L778-1(lines 778 798) no Hoare annotation was computed. [2020-07-19 23:00:21,917 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 764 809) no Hoare annotation was computed. [2020-07-19 23:00:21,917 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 407 417) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:00:21,917 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:21,918 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 407 417) no Hoare annotation was computed. [2020-07-19 23:00:21,918 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 407 417) no Hoare annotation was computed. [2020-07-19 23:00:21,918 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 183 193) the Hoare annotation is: true [2020-07-19 23:00:21,918 INFO L271 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: true [2020-07-19 23:00:21,918 INFO L268 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed. [2020-07-19 23:00:21,918 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 183 193) no Hoare annotation was computed. [2020-07-19 23:00:21,918 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 183 193) no Hoare annotation was computed. [2020-07-19 23:00:21,918 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 175 182) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-19 23:00:21,919 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 175 182) no Hoare annotation was computed. [2020-07-19 23:00:21,919 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 175 182) no Hoare annotation was computed. [2020-07-19 23:00:21,919 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 975 988) no Hoare annotation was computed. [2020-07-19 23:00:21,919 INFO L268 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2020-07-19 23:00:21,919 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 975 988) the Hoare annotation is: true [2020-07-19 23:00:21,919 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 975 988) no Hoare annotation was computed. [2020-07-19 23:00:21,919 INFO L268 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2020-07-19 23:00:21,919 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 125 149) no Hoare annotation was computed. [2020-07-19 23:00:21,920 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 125 149) the Hoare annotation is: (let ((.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (< 1 ~waterLevel~0))) (.cse9 (not (<= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse13 (not (<= ~waterLevel~0 1))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= 1 ~waterLevel~0)) .cse2 .cse6 .cse3 .cse5) (or .cse7 .cse2 .cse6 .cse8 .cse3 .cse5) (or .cse9 .cse10 .cse11 .cse12 .cse6 .cse13 .cse5) (or .cse1 .cse11 .cse10 .cse12 .cse6 .cse4 .cse5) (or .cse9 .cse0 .cse2 .cse3 .cse13 .cse5) (or .cse0 .cse7 .cse2 .cse8 .cse3 .cse5) (or .cse0 .cse1 .cse10 .cse11 .cse12 .cse4 .cse5) (or .cse9 .cse0 .cse10 .cse11 .cse12 .cse13 .cse5) (or .cse1 .cse2 .cse6 .cse3 .cse4 .cse5))) [2020-07-19 23:00:21,920 INFO L264 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse9 (not (<= ~waterLevel~0 2))) (.cse10 (not (< 1 ~waterLevel~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse8 (not (<= ~waterLevel~0 0))) (.cse13 (not (= 1 ~waterLevel~0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse1 .cse3 .cse8 .cse5) (or .cse9 .cse1 .cse2 .cse10 .cse3 .cse5) (or .cse6 .cse7 .cse11 .cse12 .cse8 .cse5) (or .cse7 .cse11 .cse12 .cse2 .cse8 .cse5) (or .cse0 .cse6 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse9 .cse1 .cse10 .cse3 .cse5) (or .cse6 .cse13 .cse11 .cse12 .cse5) (or .cse7 .cse1 .cse2 .cse3 .cse8 .cse5) (or .cse13 .cse11 .cse12 .cse2 .cse5))) [2020-07-19 23:00:21,920 INFO L268 CegarLoopResult]: For program point L144-1(lines 125 149) no Hoare annotation was computed. [2020-07-19 23:00:21,920 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse11 (not (<= 1 ~waterLevel~0))) (.cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~1))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse1 .cse2 .cse3) (or .cse5 .cse8 .cse9 .cse10 .cse2 .cse6 .cse3) (or .cse11 .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse9 .cse10 .cse6 .cse3) (or .cse11 .cse8 .cse9 .cse10 .cse2 (not (<= ~waterLevel~0 1)) .cse3) (or .cse4 .cse7 .cse9 .cse10 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3))) [2020-07-19 23:00:21,921 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (let ((.cse8 (not (<= 1 ~waterLevel~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~1))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse1 .cse2 .cse3) (or .cse8 .cse4 .cse9 .cse10 (not (<= ~waterLevel~0 1)) .cse11 .cse3) (or .cse8 .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse9 .cse10 .cse2 .cse6 .cse3) (or .cse4 .cse5 .cse9 .cse10 .cse11 .cse6 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3) (or .cse7 .cse9 .cse10 .cse2 .cse3))) [2020-07-19 23:00:21,921 INFO L268 CegarLoopResult]: For program point L133(lines 133 141) no Hoare annotation was computed. [2020-07-19 23:00:21,921 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse11 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse7 .cse8 .cse9 .cse10 .cse2 .cse11 .cse3) (or .cse5 .cse9 .cse8 .cse10 .cse2 .cse6 .cse3) (or .cse7 .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse8 .cse9 .cse10 .cse6 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3) (or .cse7 .cse4 .cse8 .cse9 .cse10 .cse11 .cse3))) [2020-07-19 23:00:21,921 INFO L268 CegarLoopResult]: For program point L131-1(line 131) no Hoare annotation was computed. [2020-07-19 23:00:21,921 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 91 97) no Hoare annotation was computed. [2020-07-19 23:00:21,921 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 91 97) the Hoare annotation is: true [2020-07-19 23:00:21,921 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-07-19 23:00:21,921 INFO L264 CegarLoopResult]: At program point testENTRY(lines 277 342) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:21,922 INFO L268 CegarLoopResult]: For program point testFINAL(lines 277 342) no Hoare annotation was computed. [2020-07-19 23:00:21,922 INFO L264 CegarLoopResult]: At program point L335(lines 286 336) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:21,922 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 1)) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 .cse2 .cse4) (not (<= 1 |old(~waterLevel~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 (<= ~waterLevel~0 2) .cse4))) [2020-07-19 23:00:21,922 INFO L268 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-07-19 23:00:21,922 INFO L264 CegarLoopResult]: At program point L323-1(lines 317 330) the Hoare annotation is: (let ((.cse9 (= 2 ~waterLevel~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse6 (= 0 ~pumpRunning~0)) (.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 0 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (and .cse0 .cse4 .cse5 .cse6 .cse7 .cse2) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse8 .cse9 .cse2 .cse3) (and .cse10 .cse0 .cse8 .cse5 .cse7 .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse4 .cse6 .cse9 .cse2) (and .cse0 .cse8 .cse6 (= 1 ~waterLevel~0) .cse2) (and .cse0 .cse8 .cse5 .cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (< 1 ~waterLevel~0) .cse8 .cse1 .cse6 .cse2) (and .cse10 .cse0 .cse4 .cse5 .cse7 .cse2 .cse3))) [2020-07-19 23:00:21,922 INFO L268 CegarLoopResult]: For program point L288(lines 287 334) no Hoare annotation was computed. [2020-07-19 23:00:21,922 INFO L268 CegarLoopResult]: For program point L317(lines 317 330) no Hoare annotation was computed. [2020-07-19 23:00:21,923 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse8 (= 2 ~waterLevel~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse9 (= 0 ~systemActive~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 0 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~waterLevel~0 2) .cse1 .cse2 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (and .cse0 .cse3 .cse4 .cse5 .cse6 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse7 (<= 1 ~waterLevel~0) .cse5 .cse6 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse7 .cse5 .cse8 .cse1) (and .cse0 .cse3 .cse5 .cse8 .cse1) (and .cse0 .cse9 .cse5 .cse8) (and .cse0 .cse7 .cse4 .cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse9 .cse5 .cse6) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse4 .cse6 .cse1 .cse2))) [2020-07-19 23:00:21,923 INFO L268 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2020-07-19 23:00:21,923 INFO L268 CegarLoopResult]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2020-07-19 23:00:21,923 INFO L264 CegarLoopResult]: At program point L332(lines 287 334) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 0 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse2) (and .cse0 .cse5 .cse6 .cse2 .cse7 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse3 .cse4 .cse8) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse6 .cse2 .cse7 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse5 .cse6 .cse7 .cse4 .cse8) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-19 23:00:21,923 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse8 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse10 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 0 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= 1 ~systemActive~0)) (.cse9 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse7 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse8 .cse7 .cse5 .cse9) (and .cse0 .cse10 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse3 .cse7 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse10 .cse3 .cse7 .cse5) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse6 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse4 .cse5 .cse9))) [2020-07-19 23:00:21,924 INFO L268 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-07-19 23:00:21,924 INFO L268 CegarLoopResult]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2020-07-19 23:00:21,924 INFO L268 CegarLoopResult]: For program point testEXIT(lines 277 342) no Hoare annotation was computed. [2020-07-19 23:00:21,924 INFO L268 CegarLoopResult]: For program point L732(lines 732 752) no Hoare annotation was computed. [2020-07-19 23:00:21,924 INFO L268 CegarLoopResult]: For program point L732-1(lines 732 752) no Hoare annotation was computed. [2020-07-19 23:00:21,924 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 718 763) no Hoare annotation was computed. [2020-07-19 23:00:21,924 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 718 763) no Hoare annotation was computed. [2020-07-19 23:00:21,924 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 718 763) no Hoare annotation was computed. [2020-07-19 23:00:21,924 INFO L268 CegarLoopResult]: For program point L738(lines 738 745) no Hoare annotation was computed. [2020-07-19 23:00:21,925 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 150 157) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (< 1 ~waterLevel~0)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 23:00:21,925 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-19 23:00:21,925 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-19 23:00:21,925 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 943 965) no Hoare annotation was computed. [2020-07-19 23:00:21,925 INFO L268 CegarLoopResult]: For program point L951(lines 951 959) no Hoare annotation was computed. [2020-07-19 23:00:21,925 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 943 965) no Hoare annotation was computed. [2020-07-19 23:00:21,925 INFO L268 CegarLoopResult]: For program point L951-2(lines 951 959) no Hoare annotation was computed. [2020-07-19 23:00:21,925 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 943 965) no Hoare annotation was computed. [2020-07-19 23:00:21,926 INFO L268 CegarLoopResult]: For program point L704(lines 704 711) no Hoare annotation was computed. [2020-07-19 23:00:21,926 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 615 717) no Hoare annotation was computed. [2020-07-19 23:00:21,926 INFO L268 CegarLoopResult]: For program point L665(lines 664 684) no Hoare annotation was computed. [2020-07-19 23:00:21,926 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-07-19 23:00:21,926 INFO L268 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-07-19 23:00:21,926 INFO L268 CegarLoopResult]: For program point L661(lines 661 702) no Hoare annotation was computed. [2020-07-19 23:00:21,926 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-19 23:00:21,927 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-07-19 23:00:21,927 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 615 717) no Hoare annotation was computed. [2020-07-19 23:00:21,927 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-19 23:00:21,927 INFO L268 CegarLoopResult]: For program point L703(lines 703 714) no Hoare annotation was computed. [2020-07-19 23:00:21,927 INFO L268 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2020-07-19 23:00:21,927 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 684) no Hoare annotation was computed. [2020-07-19 23:00:21,927 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 615 717) no Hoare annotation was computed. [2020-07-19 23:00:21,927 INFO L268 CegarLoopResult]: For program point L685(lines 663 686) no Hoare annotation was computed. [2020-07-19 23:00:21,928 INFO L268 CegarLoopResult]: For program point L644(lines 644 660) no Hoare annotation was computed. [2020-07-19 23:00:21,928 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 812 821) no Hoare annotation was computed. [2020-07-19 23:00:21,928 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 812 821) no Hoare annotation was computed. [2020-07-19 23:00:21,928 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 812 821) no Hoare annotation was computed. [2020-07-19 23:00:21,928 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:00:21,928 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-19 23:00:21,928 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:00:21,929 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 158 174) no Hoare annotation was computed. [2020-07-19 23:00:21,929 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 (= 0 ~pumpRunning~0) .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-19 23:00:21,929 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 158 174) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-19 23:00:21,929 INFO L268 CegarLoopResult]: For program point L169-1(lines 158 174) no Hoare annotation was computed. [2020-07-19 23:00:21,929 INFO L268 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-07-19 23:00:21,929 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-19 23:00:21,930 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-19 23:00:21,930 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 239 257) no Hoare annotation was computed. [2020-07-19 23:00:21,930 INFO L268 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-07-19 23:00:21,930 INFO L271 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: true [2020-07-19 23:00:21,930 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-07-19 23:00:21,930 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 239 257) the Hoare annotation is: true [2020-07-19 23:00:21,930 INFO L268 CegarLoopResult]: For program point L246-1(line 246) no Hoare annotation was computed. [2020-07-19 23:00:21,930 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 239 257) no Hoare annotation was computed. [2020-07-19 23:00:21,931 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 966 974) the Hoare annotation is: true [2020-07-19 23:00:21,931 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-19 23:00:21,931 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-19 23:00:21,931 INFO L268 CegarLoopResult]: For program point L926-1(lines 922 933) no Hoare annotation was computed. [2020-07-19 23:00:21,931 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 922 933) the Hoare annotation is: (let ((.cse6 (not (= 1 ~waterLevel~0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse10 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse13 (not (<= 0 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse8 (not (<= ~waterLevel~0 0))) (.cse12 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse9 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse11 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse4 .cse3 .cse5) (or .cse0 .cse7 .cse4 .cse8) (or .cse0 .cse7 (not (= 2 ~waterLevel~0)) .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse9 .cse10 (not (<= ~waterLevel~0 1)) .cse11 .cse5) (or .cse12 .cse13 .cse9 .cse4 .cse8 .cse5) (or .cse12 .cse1 .cse9 .cse2 .cse4 .cse5) (or .cse6 .cse0 .cse9 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse4) (or .cse13 .cse0 .cse9 .cse10 .cse11 .cse8 .cse5) (or .cse13 .cse0 .cse4 .cse3 .cse8 .cse5) (or .cse12 .cse1 .cse9 .cse2 .cse11 .cse5))) [2020-07-19 23:00:21,931 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 922 933) no Hoare annotation was computed. [2020-07-19 23:00:21,931 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:00:21,932 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 23:00:21,932 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:00:21,932 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 934 942) the Hoare annotation is: true [2020-07-19 23:00:21,932 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-19 23:00:21,932 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-19 23:00:21,932 INFO L264 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (let ((.cse11 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (and .cse11 .cse12 .cse18)) (.cse2 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (<= 0 ~waterLevel~0)) (.cse14 (not (<= 1 |old(~waterLevel~0)|))) (.cse15 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 0))) (.cse8 (not (<= 0 |old(~waterLevel~0)|))) (.cse9 (and (= 0 ~pumpRunning~0) .cse18)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse16 (not (< 1 |old(~waterLevel~0)|))) (.cse17 (and .cse11 .cse12 (= 1 ~waterLevel~0))) (.cse7 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse4 .cse5 .cse7 .cse8) (or .cse9 .cse0 (not (= 1 |old(~waterLevel~0)|))) (or .cse2 .cse10 .cse3 .cse5 (and .cse11 .cse12 .cse13 (<= ~waterLevel~0 0)) .cse14 .cse7) (or .cse15 .cse3 .cse1 .cse16 .cse17 .cse7) (or .cse9 .cse15 .cse0 .cse1 .cse16 .cse7) (or .cse2 .cse15 .cse3 .cse4 .cse6 .cse7 .cse8) (or .cse2 .cse10 .cse15 (and .cse11 .cse12 .cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse3 .cse14 .cse7) (or .cse9 .cse15 .cse0 .cse4 .cse7 .cse8) (or .cse9 .cse0 .cse5 .cse1 .cse16 .cse7) (or .cse3 .cse5 .cse1 .cse16 .cse17 .cse7)))) [2020-07-19 23:00:21,933 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 64 90) the Hoare annotation is: (let ((.cse17 (= 0 ~pumpRunning~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse14 (and .cse11 .cse12 .cse18)) (.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse7 (not (<= 0 |old(~waterLevel~0)|))) (.cse1 (and .cse17 .cse12 .cse18)) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse15 (not (<= |old(~waterLevel~0)| 2))) (.cse16 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse3 .cse5 .cse8 .cse6 .cse7) (or .cse9 .cse0 .cse10 .cse8 (and .cse11 (<= 1 ~waterLevel~0) .cse12 (<= ~waterLevel~0 1)) .cse13 .cse6) (or .cse10 .cse14 .cse8 .cse15 .cse16 .cse6) (or .cse4 .cse1 .cse3 .cse15 .cse16 .cse6) (or .cse4 .cse10 .cse14 .cse15 .cse16 .cse6) (or .cse1 (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse9 .cse0 .cse4 .cse10 .cse14 .cse13 .cse6) (or .cse9 .cse4 .cse10 .cse14 .cse5 .cse6 .cse7) (or .cse9 .cse10 .cse14 .cse5 .cse8 .cse6 .cse7) (or .cse1 .cse3 .cse8 .cse15 .cse16 .cse6) (or .cse3 (and .cse17 .cse12 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))))) [2020-07-19 23:00:21,933 INFO L264 CegarLoopResult]: At program point L78(lines 78 84) the Hoare annotation is: (let ((.cse15 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse15 .cse1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse17 (= 1 ~waterLevel~0)) (.cse14 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse16 (<= 1 ~switchedOnBeforeTS~0)) (.cse12 (not (<= 0 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (<= 0 ~waterLevel~0)) (.cse19 (<= ~waterLevel~0 0)) (.cse13 (not (= 1 |old(~waterLevel~0)|))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and .cse1 (<= 1 ~pumpRunning~0)) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse3 (and .cse10 .cse11 .cse1) .cse6 .cse12) (or .cse0 .cse2 .cse9 .cse3 .cse6 .cse12) (or .cse0 (not (= 0 ~systemActive~0)) .cse2 .cse4) (or .cse0 .cse2 .cse13) (or .cse14 .cse8 .cse4 .cse5 (and .cse15 .cse16 .cse17) .cse6) (or .cse0 .cse14 .cse2 .cse4 .cse5 .cse6) (or .cse7 (and .cse18 .cse19 .cse15 .cse16) .cse14 .cse8 .cse13 .cse6) (or .cse0 .cse14 .cse2 .cse9 .cse6 .cse12) (or .cse8 .cse3 .cse4 .cse5 (and .cse10 .cse11 .cse17) .cse6) (or .cse7 .cse14 .cse8 .cse9 (and .cse15 .cse16 .cse1) .cse6 .cse12) (or .cse7 .cse8 .cse3 (and .cse10 .cse11 .cse18 .cse19) .cse13 .cse6)))) [2020-07-19 23:00:21,933 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 64 90) no Hoare annotation was computed. [2020-07-19 23:00:21,934 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 0))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (not (<= 0 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse7) (or .cse0 .cse2 .cse8 .cse9 .cse4 .cse5 .cse10) (or .cse2 .cse9 .cse7 .cse11 .cse4 .cse5) (or .cse6 .cse3) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse9 .cse4 (not (<= 1 |old(~waterLevel~0)|)) .cse5) (or .cse6 .cse9 .cse7 .cse11 .cse5) (or .cse1 .cse6 .cse7 .cse11 .cse5) (or .cse0 .cse1 .cse2 .cse8 .cse4 .cse5 .cse10) (or .cse1 .cse6 .cse8 .cse5 .cse10) (or .cse6 .cse8 .cse9 .cse5 .cse10) (or .cse1 .cse2 .cse7 .cse11 .cse4 .cse5))) [2020-07-19 23:00:21,934 INFO L268 CegarLoopResult]: For program point L71(lines 67 89) no Hoare annotation was computed. [2020-07-19 23:00:21,934 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 64 90) no Hoare annotation was computed. [2020-07-19 23:00:21,934 INFO L268 CegarLoopResult]: For program point L69(lines 67 89) no Hoare annotation was computed. [2020-07-19 23:00:21,934 INFO L264 CegarLoopResult]: At program point L355-2(lines 355 369) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:21,934 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 345 374) no Hoare annotation was computed. [2020-07-19 23:00:21,934 INFO L264 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:21,935 INFO L268 CegarLoopResult]: For program point L351-1(line 351) no Hoare annotation was computed. [2020-07-19 23:00:21,935 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 345 374) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:21,935 INFO L271 CegarLoopResult]: At program point L370(lines 345 374) the Hoare annotation is: true [2020-07-19 23:00:21,935 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-07-19 23:00:21,935 INFO L268 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-07-19 23:00:21,935 INFO L264 CegarLoopResult]: At program point L359-1(lines 359 363) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:21,935 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-19 23:00:21,935 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 898 909) the Hoare annotation is: (let ((.cse10 (not (<= |old(~waterLevel~0)| 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (<= 0 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse2 .cse3 .cse5 .cse9 .cse6) (or .cse10 .cse0 .cse2 .cse3 .cse5 .cse6 .cse11) (or .cse8 .cse10 .cse2 .cse3 .cse5 .cse6 .cse11) (or .cse8 (= 2 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse6) (or .cse7 (and (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1)) .cse0 .cse2 .cse5 .cse9 .cse6))) [2020-07-19 23:00:21,936 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 898 909) no Hoare annotation was computed. [2020-07-19 23:00:21,936 INFO L268 CegarLoopResult]: For program point L902-1(lines 898 909) no Hoare annotation was computed. [2020-07-19 23:00:21,936 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 399 405) no Hoare annotation was computed. [2020-07-19 23:00:21,936 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 399 405) the Hoare annotation is: true [2020-07-19 23:00:21,936 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:00:21,936 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 23:00:21,936 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:00:21,936 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:00:21,936 INFO L268 CegarLoopResult]: For program point L914-1(lines 910 921) no Hoare annotation was computed. [2020-07-19 23:00:21,937 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 910 921) no Hoare annotation was computed. [2020-07-19 23:00:21,937 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 910 921) the Hoare annotation is: (let ((.cse10 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse12 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 0 |old(~waterLevel~0)|)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse4 .cse8) (or .cse9 .cse0 .cse10 .cse6 .cse3 .cse11 .cse4) (or .cse12 .cse1 .cse2 .cse6 .cse7 .cse4) (or .cse5 .cse0 .cse10 .cse6 .cse3 .cse4 .cse8) (or .cse9 .cse12 .cse6 .cse7 .cse11 .cse4) (or (not (= 0 ~systemActive~0)) .cse1 .cse6 .cse7) (or .cse0 .cse1 .cse6 .cse2 .cse7 .cse4) (or .cse0 .cse6 .cse7 (not (= 1 |old(~waterLevel~0)|)) .cse4) (or .cse12 .cse5 .cse6 .cse7 .cse4 .cse8))) [2020-07-19 23:00:21,937 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-19 23:00:21,937 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-19 23:00:21,937 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-19 23:00:21,937 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-19 23:00:21,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:00:21 BoogieIcfgContainer [2020-07-19 23:00:21,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:00:21,961 INFO L168 Benchmark]: Toolchain (without parser) took 203449.39 ms. Allocated memory was 146.3 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 102.8 MB in the beginning and 1.0 GB in the end (delta: -899.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-07-19 23:00:21,962 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 23:00:21,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.43 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 171.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-19 23:00:21,962 INFO L168 Benchmark]: Boogie Preprocessor took 92.67 ms. Allocated memory is still 203.9 MB. Free memory was 171.1 MB in the beginning and 167.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-19 23:00:21,963 INFO L168 Benchmark]: RCFGBuilder took 1195.01 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 167.1 MB in the beginning and 192.1 MB in the end (delta: -25.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-07-19 23:00:21,963 INFO L168 Benchmark]: TraceAbstraction took 201484.95 ms. Allocated memory was 235.4 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 190.7 MB in the beginning and 1.0 GB in the end (delta: -812.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-07-19 23:00:21,965 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.43 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 171.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.67 ms. Allocated memory is still 203.9 MB. Free memory was 171.1 MB in the beginning and 167.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1195.01 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 167.1 MB in the beginning and 192.1 MB in the end (delta: -25.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 201484.95 ms. Allocated memory was 235.4 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 190.7 MB in the beginning and 1.0 GB in the end (delta: -812.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 355]: Loop Invariant Derived loop invariant: ((0 == pumpRunning && 1 == waterLevel) || !(0 == \old(pumpRunning))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((((((((((!(\old(waterLevel) <= 1) || ((((splverifierCounter < 4 && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((splverifierCounter < 4 && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || (((((splverifierCounter < 4 && 0 == methaneLevelCritical) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((splverifierCounter < 4 && 0 == methaneLevelCritical) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(systemActive))) || (((((splverifierCounter < 4 && 1 <= methaneLevelCritical) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || ((((((pumpRunning <= switchedOnBeforeTS && splverifierCounter < 4) && 0 == methaneLevelCritical) && 0 <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || ((((splverifierCounter < 4 && \old(methaneLevelCritical) == methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: ((((0 == pumpRunning && 1 == waterLevel) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 111.6s, OverallIterations: 15, TraceHistogramMax: 11, AutomataDifference: 90.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 89.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2940 SDtfs, 8908 SDslu, 6911 SDs, 0 SdLazy, 26228 SolverSat, 7140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4238 GetRequests, 3708 SyntacticMatches, 8 SemanticMatches, 522 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9843 ImplicationChecksByTransitivity, 48.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4634occurred 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: 3.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 3471 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 8447 PreInvPairs, 9138 NumberOfFragments, 6664 HoareAnnotationTreeSize, 8447 FomulaSimplifications, 337326124 FormulaSimplificationTreeSizeReduction, 26.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 765750 FormulaSimplificationTreeSizeReductionInter, 62.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 5687 NumberOfCodeBlocks, 5318 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 5664 ConstructedInterpolants, 0 QuantifiedInterpolants, 3428496 SizeOfPredicates, 25 NumberOfNonLiveVariables, 9788 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 23 InterpolantComputations, 10 PerfectInterpolantSequences, 6147/6361 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...