/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_VARIABLES --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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:04:54,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:04:54,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:04:54,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:04:54,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:04:54,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:04:54,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:04:54,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:04:54,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:04:54,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:04:54,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:04:54,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:04:54,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:04:54,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:04:54,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:04:54,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:04:54,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:04:54,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:04:54,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:04:54,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:04:54,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:04:54,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:04:54,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:04:54,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:04:54,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:04:54,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:04:54,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:04:54,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:04:54,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:04:54,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:04:54,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:04:54,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:04:54,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:04:54,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:04:54,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:04:54,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:04:54,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:04:54,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:04:54,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:04:54,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:04:54,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:04:54,333 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 [2020-07-20 01:04:54,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:04:54,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:04:54,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:04:54,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:04:54,362 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:04:54,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:04:54,363 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:04:54,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:04:54,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:04:54,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:04:54,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:04:54,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:04:54,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:04:54,366 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:04:54,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:04:54,366 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:04:54,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:04:54,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:04:54,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:04:54,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:04:54,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:04:54,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:04:54,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:04:54,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:04:54,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:04:54,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:04:54,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:04:54,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:04:54,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:04:54,369 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_VARIABLES 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 [2020-07-20 01:04:54,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:04:54,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:04:54,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:04:54,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:04:54,710 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:04:54,710 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-07-20 01:04:54,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d574483d/b54661353c9247e48919e3db8914a455/FLAGbfa7856e7 [2020-07-20 01:04:55,314 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:04:55,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-07-20 01:04:55,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d574483d/b54661353c9247e48919e3db8914a455/FLAGbfa7856e7 [2020-07-20 01:04:55,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d574483d/b54661353c9247e48919e3db8914a455 [2020-07-20 01:04:55,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:04:55,625 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:04:55,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:04:55,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:04:55,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:04:55,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:55" (1/1) ... [2020-07-20 01:04:55,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363ae263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55, skipping insertion in model container [2020-07-20 01:04:55,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:55" (1/1) ... [2020-07-20 01:04:55,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:04:55,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:04:56,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:04:56,170 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:04:56,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:04:56,333 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:04:56,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:56 WrapperNode [2020-07-20 01:04:56,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:04:56,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:04:56,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:04:56,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:04:56,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:56" (1/1) ... [2020-07-20 01:04:56,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:56" (1/1) ... [2020-07-20 01:04:56,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:56" (1/1) ... [2020-07-20 01:04:56,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:56" (1/1) ... [2020-07-20 01:04:56,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:56" (1/1) ... [2020-07-20 01:04:56,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:56" (1/1) ... [2020-07-20 01:04:56,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:56" (1/1) ... [2020-07-20 01:04:56,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:04:56,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:04:56,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:04:56,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:04:56,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:56" (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 [2020-07-20 01:04:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:04:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:04:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:04:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:04:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:04:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:04:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:04:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:04:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:04:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:04:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:04:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:04:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:04:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 01:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 01:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:04:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:04:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:04:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:04:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:04:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:04:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:04:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:04:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:04:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:04:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:04:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:04:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:04:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 01:04:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 01:04:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:04:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:04:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:04:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:04:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:04:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:04:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:04:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:04:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:04:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:04:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:04:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:04:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:04:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:04:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:04:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:04:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:04:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:04:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:04:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:04:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:04:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:04:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:04:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:04:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:04:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:04:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:04:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:04:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:04:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:04:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:04:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:04:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:04:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:04:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:04:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:04:57,581 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:04:57,582 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:04:57,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:57 BoogieIcfgContainer [2020-07-20 01:04:57,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:04:57,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:04:57,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:04:57,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:04:57,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:55" (1/3) ... [2020-07-20 01:04:57,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e486e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:57, skipping insertion in model container [2020-07-20 01:04:57,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:56" (2/3) ... [2020-07-20 01:04:57,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e486e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:57, skipping insertion in model container [2020-07-20 01:04:57,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:57" (3/3) ... [2020-07-20 01:04:57,597 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-07-20 01:04:57,608 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:04:57,616 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:04:57,631 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:04:57,658 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:04:57,659 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:04:57,659 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:04:57,659 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:04:57,659 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:04:57,660 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:04:57,660 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:04:57,660 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:04:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-07-20 01:04:57,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:04:57,697 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:04:57,698 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] [2020-07-20 01:04:57,699 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:04:57,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:04:57,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1231866733, now seen corresponding path program 1 times [2020-07-20 01:04:57,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:04:57,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821459990] [2020-07-20 01:04:57,717 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@633bf5d6 [2020-07-20 01:04:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:58,457 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:04:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:04:58,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821459990] [2020-07-20 01:04:58,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:04:58,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:04:58,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187396776] [2020-07-20 01:04:58,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:04:58,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:04:58,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:04:58,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:04:58,635 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 4 states. [2020-07-20 01:04:59,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:04:59,888 INFO L93 Difference]: Finished difference Result 324 states and 416 transitions. [2020-07-20 01:04:59,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:04:59,890 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 01:04:59,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:04:59,908 INFO L225 Difference]: With dead ends: 324 [2020-07-20 01:04:59,908 INFO L226 Difference]: Without dead ends: 179 [2020-07-20 01:04:59,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:04:59,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-07-20 01:05:00,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 146. [2020-07-20 01:05:00,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-20 01:05:00,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2020-07-20 01:05:00,060 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 59 [2020-07-20 01:05:00,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:00,061 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2020-07-20 01:05:00,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:05:00,062 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2020-07-20 01:05:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 01:05:00,076 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:00,076 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] [2020-07-20 01:05:00,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:05:00,077 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:00,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:00,077 INFO L82 PathProgramCache]: Analyzing trace with hash 735941424, now seen corresponding path program 1 times [2020-07-20 01:05:00,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:00,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259941874] [2020-07-20 01:05:00,078 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@633bf5d6 [2020-07-20 01:05:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,467 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:00,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259941874] [2020-07-20 01:05:00,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:00,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:05:00,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011153863] [2020-07-20 01:05:00,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:05:00,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:00,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:05:00,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:05:00,533 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 5 states. [2020-07-20 01:05:01,019 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:01,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:01,973 INFO L93 Difference]: Finished difference Result 259 states and 316 transitions. [2020-07-20 01:05:01,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:05:01,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-20 01:05:01,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:01,977 INFO L225 Difference]: With dead ends: 259 [2020-07-20 01:05:01,977 INFO L226 Difference]: Without dead ends: 169 [2020-07-20 01:05:01,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:05:01,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-20 01:05:02,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 137. [2020-07-20 01:05:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-07-20 01:05:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2020-07-20 01:05:02,018 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 60 [2020-07-20 01:05:02,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:02,018 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2020-07-20 01:05:02,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:05:02,019 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2020-07-20 01:05:02,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 01:05:02,020 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:02,020 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] [2020-07-20 01:05:02,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:05:02,021 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:02,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:02,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1019781836, now seen corresponding path program 1 times [2020-07-20 01:05:02,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:02,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171582119] [2020-07-20 01:05:02,022 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@633bf5d6 [2020-07-20 01:05:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:02,385 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:02,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171582119] [2020-07-20 01:05:02,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:02,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:02,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299711073] [2020-07-20 01:05:02,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:02,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:02,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:02,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:02,482 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 9 states. [2020-07-20 01:05:02,925 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:03,231 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:03,518 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:03,748 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:04,760 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:06,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:06,554 INFO L93 Difference]: Finished difference Result 460 states and 568 transitions. [2020-07-20 01:05:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:05:06,559 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-20 01:05:06,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:06,570 INFO L225 Difference]: With dead ends: 460 [2020-07-20 01:05:06,570 INFO L226 Difference]: Without dead ends: 351 [2020-07-20 01:05:06,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:05:06,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-07-20 01:05:06,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 290. [2020-07-20 01:05:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-20 01:05:06,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 350 transitions. [2020-07-20 01:05:06,648 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 350 transitions. Word has length 65 [2020-07-20 01:05:06,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:06,648 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 350 transitions. [2020-07-20 01:05:06,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 350 transitions. [2020-07-20 01:05:06,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 01:05:06,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:06,651 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] [2020-07-20 01:05:06,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:05:06,651 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:06,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:06,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1071873071, now seen corresponding path program 1 times [2020-07-20 01:05:06,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:06,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535012323] [2020-07-20 01:05:06,652 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@633bf5d6 [2020-07-20 01:05:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:06,983 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:05:07,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535012323] [2020-07-20 01:05:07,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:07,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:07,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312490028] [2020-07-20 01:05:07,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:07,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:07,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:07,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:07,136 INFO L87 Difference]: Start difference. First operand 290 states and 350 transitions. Second operand 9 states. [2020-07-20 01:05:07,745 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:08,433 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:09,298 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:09,621 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:09,889 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:10,137 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:10,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:10,921 INFO L93 Difference]: Finished difference Result 747 states and 974 transitions. [2020-07-20 01:05:10,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:05:10,923 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-20 01:05:10,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:10,928 INFO L225 Difference]: With dead ends: 747 [2020-07-20 01:05:10,928 INFO L226 Difference]: Without dead ends: 485 [2020-07-20 01:05:10,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:05:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-07-20 01:05:11,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 417. [2020-07-20 01:05:11,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-07-20 01:05:11,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 501 transitions. [2020-07-20 01:05:11,023 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 501 transitions. Word has length 70 [2020-07-20 01:05:11,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:11,024 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 501 transitions. [2020-07-20 01:05:11,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:11,024 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 501 transitions. [2020-07-20 01:05:11,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 01:05:11,026 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:11,026 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] [2020-07-20 01:05:11,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:05:11,027 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:11,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:11,027 INFO L82 PathProgramCache]: Analyzing trace with hash -573764694, now seen corresponding path program 1 times [2020-07-20 01:05:11,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:11,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797664468] [2020-07-20 01:05:11,028 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@633bf5d6 [2020-07-20 01:05:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,308 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:11,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797664468] [2020-07-20 01:05:11,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:11,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:11,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508738562] [2020-07-20 01:05:11,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:11,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:11,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:11,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:11,497 INFO L87 Difference]: Start difference. First operand 417 states and 501 transitions. Second operand 9 states. [2020-07-20 01:05:11,921 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:13,061 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:13,308 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:13,562 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:13,852 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:15,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:15,140 INFO L93 Difference]: Finished difference Result 1260 states and 1685 transitions. [2020-07-20 01:05:15,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:05:15,142 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-20 01:05:15,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:15,150 INFO L225 Difference]: With dead ends: 1260 [2020-07-20 01:05:15,150 INFO L226 Difference]: Without dead ends: 871 [2020-07-20 01:05:15,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:05:15,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2020-07-20 01:05:15,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 743. [2020-07-20 01:05:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-07-20 01:05:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 897 transitions. [2020-07-20 01:05:15,291 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 897 transitions. Word has length 93 [2020-07-20 01:05:15,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:15,291 INFO L479 AbstractCegarLoop]: Abstraction has 743 states and 897 transitions. [2020-07-20 01:05:15,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 897 transitions. [2020-07-20 01:05:15,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 01:05:15,294 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:15,294 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] [2020-07-20 01:05:15,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:05:15,295 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:15,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:15,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1995721705, now seen corresponding path program 1 times [2020-07-20 01:05:15,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:15,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901134618] [2020-07-20 01:05:15,296 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@633bf5d6 [2020-07-20 01:05:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,595 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:15,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901134618] [2020-07-20 01:05:15,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:15,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:15,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250546434] [2020-07-20 01:05:15,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:15,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:15,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:15,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:15,738 INFO L87 Difference]: Start difference. First operand 743 states and 897 transitions. Second operand 9 states. [2020-07-20 01:05:16,931 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:17,173 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:17,427 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:17,679 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:18,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:18,485 INFO L93 Difference]: Finished difference Result 1585 states and 2019 transitions. [2020-07-20 01:05:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:05:18,486 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-20 01:05:18,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:18,493 INFO L225 Difference]: With dead ends: 1585 [2020-07-20 01:05:18,493 INFO L226 Difference]: Without dead ends: 870 [2020-07-20 01:05:18,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:05:18,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-07-20 01:05:18,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 763. [2020-07-20 01:05:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2020-07-20 01:05:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 917 transitions. [2020-07-20 01:05:18,657 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 917 transitions. Word has length 93 [2020-07-20 01:05:18,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:18,660 INFO L479 AbstractCegarLoop]: Abstraction has 763 states and 917 transitions. [2020-07-20 01:05:18,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:18,660 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 917 transitions. [2020-07-20 01:05:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 01:05:18,666 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:18,666 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] [2020-07-20 01:05:18,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:05:18,667 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:18,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:18,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1597645717, now seen corresponding path program 1 times [2020-07-20 01:05:18,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:18,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179648216] [2020-07-20 01:05:18,668 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@633bf5d6 [2020-07-20 01:05:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:18,961 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:19,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179648216] [2020-07-20 01:05:19,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:19,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:05:19,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826958280] [2020-07-20 01:05:19,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:05:19,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:19,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:05:19,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:05:19,087 INFO L87 Difference]: Start difference. First operand 763 states and 917 transitions. Second operand 11 states. [2020-07-20 01:05:19,658 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:19,900 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:20,128 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:20,989 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:21,322 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:21,643 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:22,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:22,526 INFO L93 Difference]: Finished difference Result 1442 states and 1826 transitions. [2020-07-20 01:05:22,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:05:22,527 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 93 [2020-07-20 01:05:22,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:22,532 INFO L225 Difference]: With dead ends: 1442 [2020-07-20 01:05:22,532 INFO L226 Difference]: Without dead ends: 707 [2020-07-20 01:05:22,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:05:22,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-07-20 01:05:22,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 630. [2020-07-20 01:05:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-07-20 01:05:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 739 transitions. [2020-07-20 01:05:22,658 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 739 transitions. Word has length 93 [2020-07-20 01:05:22,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:22,659 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 739 transitions. [2020-07-20 01:05:22,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:05:22,659 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 739 transitions. [2020-07-20 01:05:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 01:05:22,661 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:22,661 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] [2020-07-20 01:05:22,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:05:22,662 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:22,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:22,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1394866514, now seen corresponding path program 1 times [2020-07-20 01:05:22,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:22,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23913566] [2020-07-20 01:05:22,663 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@633bf5d6 [2020-07-20 01:05:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,098 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:23,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23913566] [2020-07-20 01:05:23,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:23,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:05:23,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968396834] [2020-07-20 01:05:23,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:05:23,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:23,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:05:23,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:05:23,321 INFO L87 Difference]: Start difference. First operand 630 states and 739 transitions. Second operand 12 states. [2020-07-20 01:05:24,045 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:24,864 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:25,587 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:25,936 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:26,186 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:26,458 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:26,731 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:28,601 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:28,912 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:29,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:29,413 INFO L93 Difference]: Finished difference Result 1853 states and 2361 transitions. [2020-07-20 01:05:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:05:29,413 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-07-20 01:05:29,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:29,423 INFO L225 Difference]: With dead ends: 1853 [2020-07-20 01:05:29,424 INFO L226 Difference]: Without dead ends: 1437 [2020-07-20 01:05:29,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:05:29,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2020-07-20 01:05:29,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1299. [2020-07-20 01:05:29,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1299 states. [2020-07-20 01:05:29,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1525 transitions. [2020-07-20 01:05:29,644 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1525 transitions. Word has length 97 [2020-07-20 01:05:29,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:29,648 INFO L479 AbstractCegarLoop]: Abstraction has 1299 states and 1525 transitions. [2020-07-20 01:05:29,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:05:29,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1525 transitions. [2020-07-20 01:05:29,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 01:05:29,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:29,655 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:29,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 01:05:29,655 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:29,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:29,656 INFO L82 PathProgramCache]: Analyzing trace with hash 773750625, now seen corresponding path program 1 times [2020-07-20 01:05:29,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:29,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817297603] [2020-07-20 01:05:29,657 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@633bf5d6 [2020-07-20 01:05:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,957 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 01:05:30,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817297603] [2020-07-20 01:05:30,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871414427] [2020-07-20 01:05:30,241 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3a3170ab 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 [2020-07-20 01:05:30,853 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3a3170ab issued 4 check-sat command(s) [2020-07-20 01:05:30,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:30,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:05:30,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:31,053 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:05:31,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:31,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-20 01:05:31,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507408] [2020-07-20 01:05:31,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:05:31,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:31,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:05:31,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:05:31,057 INFO L87 Difference]: Start difference. First operand 1299 states and 1525 transitions. Second operand 20 states. [2020-07-20 01:05:31,669 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:32,055 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:05:32,334 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:05:32,591 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:05:33,386 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:33,698 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:34,065 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:34,359 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:35,618 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:36,615 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:05:37,116 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:05:37,470 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:38,066 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:38,491 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:39,095 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:05:39,929 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:40,520 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:05:41,212 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:42,026 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:05:42,559 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:05:42,853 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:43,135 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:43,403 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:43,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:43,737 INFO L93 Difference]: Finished difference Result 2957 states and 3620 transitions. [2020-07-20 01:05:43,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-20 01:05:43,738 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 157 [2020-07-20 01:05:43,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:43,749 INFO L225 Difference]: With dead ends: 2957 [2020-07-20 01:05:43,749 INFO L226 Difference]: Without dead ends: 1866 [2020-07-20 01:05:43,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=893, Invalid=3529, Unknown=0, NotChecked=0, Total=4422 [2020-07-20 01:05:43,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2020-07-20 01:05:44,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1636. [2020-07-20 01:05:44,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2020-07-20 01:05:44,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 1912 transitions. [2020-07-20 01:05:44,095 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 1912 transitions. Word has length 157 [2020-07-20 01:05:44,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:44,096 INFO L479 AbstractCegarLoop]: Abstraction has 1636 states and 1912 transitions. [2020-07-20 01:05:44,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:05:44,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1912 transitions. [2020-07-20 01:05:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-07-20 01:05:44,105 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:44,106 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:44,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-20 01:05:44,321 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:44,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:44,321 INFO L82 PathProgramCache]: Analyzing trace with hash -2117575381, now seen corresponding path program 1 times [2020-07-20 01:05:44,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:44,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552967855] [2020-07-20 01:05:44,322 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@633bf5d6 [2020-07-20 01:05:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,677 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,151 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 81 proven. 31 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-07-20 01:05:45,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552967855] [2020-07-20 01:05:45,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524703543] [2020-07-20 01:05:45,162 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3304511e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:05:45,930 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3304511e issued 3 check-sat command(s) [2020-07-20 01:05:45,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:45,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:05:45,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 203 proven. 8 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-07-20 01:05:46,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:46,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2020-07-20 01:05:46,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896709915] [2020-07-20 01:05:46,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-20 01:05:46,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:46,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-20 01:05:46,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2020-07-20 01:05:46,406 INFO L87 Difference]: Start difference. First operand 1636 states and 1912 transitions. Second operand 26 states. [2020-07-20 01:05:47,725 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:49,259 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:49,807 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-20 01:05:50,066 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:50,549 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-20 01:05:51,065 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-07-20 01:05:51,323 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:51,622 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:53,241 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:05:53,978 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-20 01:05:54,326 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:54,727 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:57,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:57,411 INFO L93 Difference]: Finished difference Result 4030 states and 4899 transitions. [2020-07-20 01:05:57,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-20 01:05:57,411 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 273 [2020-07-20 01:05:57,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:57,413 INFO L225 Difference]: With dead ends: 4030 [2020-07-20 01:05:57,414 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:05:57,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 368 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=570, Invalid=2852, Unknown=0, NotChecked=0, Total=3422 [2020-07-20 01:05:57,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:05:57,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:05:57,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:05:57,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:05:57,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2020-07-20 01:05:57,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:57,427 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:05:57,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-20 01:05:57,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:05:57,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:05:57,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:05:57,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:05:58,344 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 256 [2020-07-20 01:05:58,453 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-20 01:06:00,744 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 314 [2020-07-20 01:06:04,865 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 258 [2020-07-20 01:06:06,375 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 274 [2020-07-20 01:06:07,077 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 241 [2020-07-20 01:06:07,679 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 239 [2020-07-20 01:06:10,577 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 29 [2020-07-20 01:06:11,169 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 22 [2020-07-20 01:06:11,342 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-20 01:06:11,520 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-07-20 01:06:11,943 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-07-20 01:06:12,124 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-20 01:06:12,266 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-20 01:06:13,123 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 30 [2020-07-20 01:06:13,569 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-07-20 01:06:13,741 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-20 01:06:14,391 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 23 [2020-07-20 01:06:15,457 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 183 DAG size of output: 23 [2020-07-20 01:06:15,662 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:17,247 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 264 DAG size of output: 34 [2020-07-20 01:06:17,418 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-20 01:06:18,281 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-07-20 01:06:18,460 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-20 01:06:19,624 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 235 DAG size of output: 26 [2020-07-20 01:06:19,803 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-20 01:06:20,144 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 13 [2020-07-20 01:06:20,727 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 31 [2020-07-20 01:06:21,478 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 26 [2020-07-20 01:06:21,882 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-07-20 01:06:23,321 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 256 DAG size of output: 24 [2020-07-20 01:06:24,392 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 174 DAG size of output: 24 [2020-07-20 01:06:25,257 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 49 [2020-07-20 01:06:26,107 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 29 [2020-07-20 01:06:26,654 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 22 [2020-07-20 01:06:27,081 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 21 [2020-07-20 01:06:27,460 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2020-07-20 01:06:27,817 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 29 [2020-07-20 01:06:28,002 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 01:06:28,193 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-20 01:06:28,656 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 21 [2020-07-20 01:06:28,838 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 01:06:29,014 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2020-07-20 01:06:29,236 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-20 01:06:29,607 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 27 [2020-07-20 01:06:29,814 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-20 01:06:29,989 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-20 01:06:30,182 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-20 01:06:30,364 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 01:06:30,732 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 30 [2020-07-20 01:06:32,746 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 191 DAG size of output: 27 [2020-07-20 01:06:32,919 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-20 01:06:33,383 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-07-20 01:06:34,005 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2020-07-20 01:06:34,606 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 23 [2020-07-20 01:06:34,776 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-20 01:06:36,020 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 223 DAG size of output: 33 [2020-07-20 01:06:36,773 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 31 [2020-07-20 01:06:36,777 INFO L268 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-07-20 01:06:36,777 INFO L268 CegarLoopResult]: For program point L412-1(lines 412 416) no Hoare annotation was computed. [2020-07-20 01:06:36,778 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 01:06:36,778 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 427) no Hoare annotation was computed. [2020-07-20 01:06:36,778 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 381 436) no Hoare annotation was computed. [2020-07-20 01:06:36,778 INFO L268 CegarLoopResult]: For program point L428(lines 405 429) no Hoare annotation was computed. [2020-07-20 01:06:36,778 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 381 436) no Hoare annotation was computed. [2020-07-20 01:06:36,778 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 381 436) no Hoare annotation was computed. [2020-07-20 01:06:36,778 INFO L268 CegarLoopResult]: For program point L482-1(line 482) no Hoare annotation was computed. [2020-07-20 01:06:36,779 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 437 496) no Hoare annotation was computed. [2020-07-20 01:06:36,779 INFO L268 CegarLoopResult]: For program point L469(lines 469 473) no Hoare annotation was computed. [2020-07-20 01:06:36,779 INFO L268 CegarLoopResult]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2020-07-20 01:06:36,779 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 01:06:36,779 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 437 496) no Hoare annotation was computed. [2020-07-20 01:06:36,780 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 488) no Hoare annotation was computed. [2020-07-20 01:06:36,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 437 496) no Hoare annotation was computed. [2020-07-20 01:06:36,780 INFO L268 CegarLoopResult]: For program point L489(lines 462 490) no Hoare annotation was computed. [2020-07-20 01:06:36,780 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 01:06:36,780 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 873 879) the Hoare annotation is: true [2020-07-20 01:06:36,780 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-20 01:06:36,781 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 880 888) no Hoare annotation was computed. [2020-07-20 01:06:36,781 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 880 888) the Hoare annotation is: true [2020-07-20 01:06:36,781 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 880 888) no Hoare annotation was computed. [2020-07-20 01:06:36,781 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 698 705) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:06:36,781 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 698 705) no Hoare annotation was computed. [2020-07-20 01:06:36,781 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 698 705) no Hoare annotation was computed. [2020-07-20 01:06:36,782 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 706 715) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1 .cse3) (or .cse0 .cse2 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse3))) [2020-07-20 01:06:36,782 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 706 715) no Hoare annotation was computed. [2020-07-20 01:06:36,782 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-07-20 01:06:36,782 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 706 715) no Hoare annotation was computed. [2020-07-20 01:06:36,782 INFO L264 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-20 01:06:36,782 INFO L268 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2020-07-20 01:06:36,782 INFO L268 CegarLoopResult]: For program point L728(lines 728 738) no Hoare annotation was computed. [2020-07-20 01:06:36,783 INFO L264 CegarLoopResult]: At program point L726(line 726) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (and (<= __utac_acc__Specification5_spec__3_~tmp~7 ~waterLevel~0) (<= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~7))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse5 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3) (or .cse4 .cse2 .cse3) (or .cse0 .cse1 .cse5) (or .cse4 .cse5))) [2020-07-20 01:06:36,783 INFO L268 CegarLoopResult]: For program point L726-1(line 726) no Hoare annotation was computed. [2020-07-20 01:06:36,783 INFO L268 CegarLoopResult]: For program point L724(lines 724 741) no Hoare annotation was computed. [2020-07-20 01:06:36,783 INFO L268 CegarLoopResult]: For program point L724-1(lines 716 744) no Hoare annotation was computed. [2020-07-20 01:06:36,783 INFO L271 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: true [2020-07-20 01:06:36,783 INFO L268 CegarLoopResult]: For program point L722-1(line 722) no Hoare annotation was computed. [2020-07-20 01:06:36,783 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 716 744) the Hoare annotation is: true [2020-07-20 01:06:36,783 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 716 744) no Hoare annotation was computed. [2020-07-20 01:06:36,784 INFO L264 CegarLoopResult]: At program point L834-1(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:06:36,784 INFO L268 CegarLoopResult]: For program point L832(lines 832 839) no Hoare annotation was computed. [2020-07-20 01:06:36,784 INFO L268 CegarLoopResult]: For program point L832-1(lines 832 839) no Hoare annotation was computed. [2020-07-20 01:06:36,784 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-20 01:06:36,784 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 822 844) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:36,784 INFO L264 CegarLoopResult]: At program point L829(line 829) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:36,784 INFO L264 CegarLoopResult]: At program point L828(line 828) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:36,784 INFO L264 CegarLoopResult]: At program point L828-1(line 828) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:36,784 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 822 844) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 822 844) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 777 800) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 777 800) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 777 800) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-07-20 01:06:36,785 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-20 01:06:36,786 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-20 01:06:36,786 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-20 01:06:36,786 INFO L268 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-07-20 01:06:36,786 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-20 01:06:36,786 INFO L268 CegarLoopResult]: For program point L783(line 783) no Hoare annotation was computed. [2020-07-20 01:06:36,786 INFO L268 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-07-20 01:06:36,786 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 233 247) no Hoare annotation was computed. [2020-07-20 01:06:36,786 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-20 01:06:36,786 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-07-20 01:06:36,786 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 233 247) 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 (= 0 |old(~systemActive~0)|)) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse3 (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~pumpRunning~0)))))) [2020-07-20 01:06:36,787 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 233 247) no Hoare annotation was computed. [2020-07-20 01:06:36,787 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-20 01:06:36,787 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2020-07-20 01:06:36,787 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-20 01:06:36,787 INFO L268 CegarLoopResult]: For program point L185(lines 185 193) no Hoare annotation was computed. [2020-07-20 01:06:36,787 INFO L268 CegarLoopResult]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2020-07-20 01:06:36,787 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-20 01:06:36,787 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-07-20 01:06:36,787 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2020-07-20 01:06:36,788 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2020-07-20 01:06:36,788 INFO L268 CegarLoopResult]: For program point L197(lines 197 205) no Hoare annotation was computed. [2020-07-20 01:06:36,788 INFO L268 CegarLoopResult]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2020-07-20 01:06:36,788 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2020-07-20 01:06:36,788 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 866 872) no Hoare annotation was computed. [2020-07-20 01:06:36,788 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 866 872) the Hoare annotation is: true [2020-07-20 01:06:36,788 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 335 380) no Hoare annotation was computed. [2020-07-20 01:06:36,788 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 335 380) no Hoare annotation was computed. [2020-07-20 01:06:36,789 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 335 380) no Hoare annotation was computed. [2020-07-20 01:06:36,789 INFO L268 CegarLoopResult]: For program point L668(lines 668 675) no Hoare annotation was computed. [2020-07-20 01:06:36,789 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 648 693) no Hoare annotation was computed. [2020-07-20 01:06:36,789 INFO L268 CegarLoopResult]: For program point L662(lines 662 682) no Hoare annotation was computed. [2020-07-20 01:06:36,789 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 682) no Hoare annotation was computed. [2020-07-20 01:06:36,789 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 648 693) no Hoare annotation was computed. [2020-07-20 01:06:36,789 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 648 693) no Hoare annotation was computed. [2020-07-20 01:06:36,789 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 808 818) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:36,790 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:36,790 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 808 818) no Hoare annotation was computed. [2020-07-20 01:06:36,790 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 808 818) no Hoare annotation was computed. [2020-07-20 01:06:36,790 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 158 168) the Hoare annotation is: true [2020-07-20 01:06:36,790 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2020-07-20 01:06:36,790 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2020-07-20 01:06:36,790 INFO L271 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: true [2020-07-20 01:06:36,790 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-20 01:06:36,791 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse1 .cse0 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-20 01:06:36,791 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-20 01:06:36,791 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-20 01:06:36,791 INFO L268 CegarLoopResult]: For program point L973(lines 973 979) no Hoare annotation was computed. [2020-07-20 01:06:36,791 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 969 982) no Hoare annotation was computed. [2020-07-20 01:06:36,791 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 969 982) the Hoare annotation is: true [2020-07-20 01:06:36,791 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 969 982) no Hoare annotation was computed. [2020-07-20 01:06:36,792 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 01:06:36,792 INFO L268 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2020-07-20 01:06:36,792 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 01:06:36,792 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-07-20 01:06:36,792 INFO L268 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2020-07-20 01:06:36,792 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2020-07-20 01:06:36,792 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-20 01:06:36,792 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-20 01:06:36,793 INFO L268 CegarLoopResult]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2020-07-20 01:06:36,793 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 01:06:36,793 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-20 01:06:36,793 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2020-07-20 01:06:36,793 INFO L264 CegarLoopResult]: At program point L320(lines 269 321) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:36,793 INFO L264 CegarLoopResult]: At program point testENTRY(lines 260 327) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:36,793 INFO L268 CegarLoopResult]: For program point testFINAL(lines 260 327) no Hoare annotation was computed. [2020-07-20 01:06:36,794 INFO L264 CegarLoopResult]: At program point L310(line 310) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse3) (and .cse0 .cse2 (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:06:36,794 INFO L268 CegarLoopResult]: For program point L308(lines 308 314) no Hoare annotation was computed. [2020-07-20 01:06:36,794 INFO L264 CegarLoopResult]: At program point L308-1(lines 300 315) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:06:36,794 INFO L268 CegarLoopResult]: For program point L271(lines 270 319) no Hoare annotation was computed. [2020-07-20 01:06:36,794 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:06:36,794 INFO L268 CegarLoopResult]: For program point L300(lines 300 315) no Hoare annotation was computed. [2020-07-20 01:06:36,795 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:06:36,795 INFO L268 CegarLoopResult]: For program point L290(lines 290 296) no Hoare annotation was computed. [2020-07-20 01:06:36,795 INFO L268 CegarLoopResult]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2020-07-20 01:06:36,795 INFO L264 CegarLoopResult]: At program point L317(lines 270 319) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:06:36,795 INFO L264 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:06:36,795 INFO L268 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-07-20 01:06:36,795 INFO L268 CegarLoopResult]: For program point L280-1(lines 280 286) no Hoare annotation was computed. [2020-07-20 01:06:36,795 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-07-20 01:06:36,795 INFO L268 CegarLoopResult]: For program point testEXIT(lines 260 327) no Hoare annotation was computed. [2020-07-20 01:06:36,796 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 602 647) no Hoare annotation was computed. [2020-07-20 01:06:36,796 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 602 647) no Hoare annotation was computed. [2020-07-20 01:06:36,796 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 602 647) no Hoare annotation was computed. [2020-07-20 01:06:36,796 INFO L268 CegarLoopResult]: For program point L622(lines 622 629) no Hoare annotation was computed. [2020-07-20 01:06:36,796 INFO L268 CegarLoopResult]: For program point L616(lines 616 636) no Hoare annotation was computed. [2020-07-20 01:06:36,796 INFO L268 CegarLoopResult]: For program point L616-1(lines 616 636) no Hoare annotation was computed. [2020-07-20 01:06:36,796 INFO L268 CegarLoopResult]: For program point L945(lines 945 953) no Hoare annotation was computed. [2020-07-20 01:06:36,796 INFO L268 CegarLoopResult]: For program point L945-2(lines 945 953) no Hoare annotation was computed. [2020-07-20 01:06:36,796 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 937 959) no Hoare annotation was computed. [2020-07-20 01:06:36,797 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 937 959) no Hoare annotation was computed. [2020-07-20 01:06:36,797 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 937 959) no Hoare annotation was computed. [2020-07-20 01:06:36,797 INFO L268 CegarLoopResult]: For program point L545(lines 545 586) no Hoare annotation was computed. [2020-07-20 01:06:36,797 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 499 601) no Hoare annotation was computed. [2020-07-20 01:06:36,797 INFO L268 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-07-20 01:06:36,797 INFO L268 CegarLoopResult]: For program point L564-1(line 564) no Hoare annotation was computed. [2020-07-20 01:06:36,797 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-20 01:06:36,797 INFO L268 CegarLoopResult]: For program point L587(lines 587 598) no Hoare annotation was computed. [2020-07-20 01:06:36,797 INFO L268 CegarLoopResult]: For program point L550(lines 550 554) no Hoare annotation was computed. [2020-07-20 01:06:36,797 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 499 601) no Hoare annotation was computed. [2020-07-20 01:06:36,798 INFO L268 CegarLoopResult]: For program point L548-2(lines 548 568) no Hoare annotation was computed. [2020-07-20 01:06:36,798 INFO L268 CegarLoopResult]: For program point L569(lines 547 570) no Hoare annotation was computed. [2020-07-20 01:06:36,798 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 499 601) no Hoare annotation was computed. [2020-07-20 01:06:36,798 INFO L268 CegarLoopResult]: For program point L528(lines 528 544) no Hoare annotation was computed. [2020-07-20 01:06:36,798 INFO L268 CegarLoopResult]: For program point L588(lines 588 595) no Hoare annotation was computed. [2020-07-20 01:06:36,798 INFO L268 CegarLoopResult]: For program point L549(lines 548 568) no Hoare annotation was computed. [2020-07-20 01:06:36,798 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 01:06:36,798 INFO L268 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-07-20 01:06:36,798 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 856 865) no Hoare annotation was computed. [2020-07-20 01:06:36,799 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 856 865) no Hoare annotation was computed. [2020-07-20 01:06:36,799 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 856 865) no Hoare annotation was computed. [2020-07-20 01:06:36,799 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:06:36,799 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 01:06:36,799 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:06:36,799 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2020-07-20 01:06:36,800 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2020-07-20 01:06:36,800 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-20 01:06:36,800 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2020-07-20 01:06:36,800 INFO L268 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2020-07-20 01:06:36,800 INFO L271 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: true [2020-07-20 01:06:36,800 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2020-07-20 01:06:36,800 INFO L268 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-07-20 01:06:36,800 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2020-07-20 01:06:36,800 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2020-07-20 01:06:36,801 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 960 968) the Hoare annotation is: true [2020-07-20 01:06:36,801 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 960 968) no Hoare annotation was computed. [2020-07-20 01:06:36,801 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 960 968) no Hoare annotation was computed. [2020-07-20 01:06:36,801 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 916 927) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3) (or .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse1 .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-20 01:06:36,801 INFO L268 CegarLoopResult]: For program point L920-1(lines 916 927) no Hoare annotation was computed. [2020-07-20 01:06:36,801 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 916 927) no Hoare annotation was computed. [2020-07-20 01:06:36,801 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:06:36,801 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:06:36,802 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:06:36,802 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 928 936) the Hoare annotation is: true [2020-07-20 01:06:36,802 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 928 936) no Hoare annotation was computed. [2020-07-20 01:06:36,802 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 928 936) no Hoare annotation was computed. [2020-07-20 01:06:36,802 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) .cse2))) [2020-07-20 01:06:36,802 INFO L268 CegarLoopResult]: For program point L63(lines 59 81) no Hoare annotation was computed. [2020-07-20 01:06:36,802 INFO L268 CegarLoopResult]: For program point L61(lines 59 81) no Hoare annotation was computed. [2020-07-20 01:06:36,803 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or (and (= 0 ~pumpRunning~0) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) .cse5) (or (and .cse1 (= 2 ~waterLevel~0) .cse2) .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse4))) [2020-07-20 01:06:36,803 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2020-07-20 01:06:36,803 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not .cse2))) (let ((.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (and .cse5 .cse6 .cse8 (<= ~waterLevel~0 2) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse1 .cse2 .cse4 (and .cse5 .cse6 .cse7) .cse3) (or .cse1 (not (= 2 |old(~waterLevel~0)|)) .cse2 (and .cse5 .cse6 (= 1 ~waterLevel~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse4 (and .cse8 (= 0 ~pumpRunning~0) .cse7)))))) [2020-07-20 01:06:36,803 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2020-07-20 01:06:36,803 INFO L264 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not .cse7)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 2)) (.cse0 (= 0 ~pumpRunning~0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse8 (and .cse14 .cse0 .cse12 .cse15)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (and .cse10 .cse11 .cse2 .cse14 .cse15 .cse3)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (and .cse0 .cse1) (and .cse2 (= 2 ~waterLevel~0) .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) .cse4) (or .cse5 .cse6 .cse7 .cse8 (not (= 1 |old(~waterLevel~0)|)) .cse9) (or .cse5 .cse6 .cse7 .cse8 .cse4 (and .cse10 .cse11 .cse1) .cse9 (and .cse0 .cse12 .cse1)) (let ((.cse13 (= 1 ~waterLevel~0))) (or .cse6 (not (= 2 |old(~waterLevel~0)|)) .cse7 (and .cse10 .cse11 .cse13) (and .cse0 .cse12 .cse13))))))) [2020-07-20 01:06:36,803 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-20 01:06:36,804 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 747 776) no Hoare annotation was computed. [2020-07-20 01:06:36,804 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 747 776) the Hoare annotation is: true [2020-07-20 01:06:36,804 INFO L268 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2020-07-20 01:06:36,804 INFO L271 CegarLoopResult]: At program point L761-1(lines 761 765) the Hoare annotation is: true [2020-07-20 01:06:36,804 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-07-20 01:06:36,804 INFO L271 CegarLoopResult]: At program point L757-2(lines 757 771) the Hoare annotation is: true [2020-07-20 01:06:36,804 INFO L271 CegarLoopResult]: At program point L753(line 753) the Hoare annotation is: true [2020-07-20 01:06:36,804 INFO L268 CegarLoopResult]: For program point L753-1(line 753) no Hoare annotation was computed. [2020-07-20 01:06:36,805 INFO L271 CegarLoopResult]: At program point L772(lines 747 776) the Hoare annotation is: true [2020-07-20 01:06:36,805 INFO L268 CegarLoopResult]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2020-07-20 01:06:36,805 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 892 903) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0))) [2020-07-20 01:06:36,805 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 892 903) no Hoare annotation was computed. [2020-07-20 01:06:36,805 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 801 807) no Hoare annotation was computed. [2020-07-20 01:06:36,805 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 801 807) the Hoare annotation is: true [2020-07-20 01:06:36,805 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:06:36,805 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:06:36,805 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:06:36,806 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:06:36,806 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 248 255) no Hoare annotation was computed. [2020-07-20 01:06:36,806 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 248 255) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-20 01:06:36,806 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 248 255) no Hoare annotation was computed. [2020-07-20 01:06:36,806 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-20 01:06:36,806 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-20 01:06:36,806 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-07-20 01:06:36,807 INFO L268 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2020-07-20 01:06:36,807 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2020-07-20 01:06:36,807 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 01:06:36,807 INFO L268 CegarLoopResult]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2020-07-20 01:06:36,807 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 01:06:36,807 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:06:36,807 INFO L268 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-07-20 01:06:36,807 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 904 915) no Hoare annotation was computed. [2020-07-20 01:06:36,808 INFO L268 CegarLoopResult]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2020-07-20 01:06:36,808 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 904 915) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= 2 |old(~waterLevel~0)|)) .cse0 (= 2 ~waterLevel~0) .cse1) (or .cse0 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse1) (or .cse2 .cse3 (not (= 0 ~pumpRunning~0))))) [2020-07-20 01:06:36,808 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 846 853) no Hoare annotation was computed. [2020-07-20 01:06:36,808 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2020-07-20 01:06:36,808 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 846 853) the Hoare annotation is: true [2020-07-20 01:06:36,808 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 846 853) no Hoare annotation was computed. [2020-07-20 01:06:36,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:06:36 BoogieIcfgContainer [2020-07-20 01:06:36,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:06:36,829 INFO L168 Benchmark]: Toolchain (without parser) took 101205.67 ms. Allocated memory was 137.9 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 102.0 MB in the beginning and 356.7 MB in the end (delta: -254.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-20 01:06:36,829 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:06:36,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.05 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 171.7 MB in the end (delta: -70.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-20 01:06:36,830 INFO L168 Benchmark]: Boogie Preprocessor took 97.02 ms. Allocated memory is still 202.4 MB. Free memory was 171.7 MB in the beginning and 167.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:06:36,830 INFO L168 Benchmark]: RCFGBuilder took 1155.32 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 167.4 MB in the beginning and 196.5 MB in the end (delta: -29.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:06:36,831 INFO L168 Benchmark]: TraceAbstraction took 99238.78 ms. Allocated memory was 234.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 195.0 MB in the beginning and 356.7 MB in the end (delta: -161.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-20 01:06:36,833 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 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.05 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 171.7 MB in the end (delta: -70.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.02 ms. Allocated memory is still 202.4 MB. Free memory was 171.7 MB in the beginning and 167.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1155.32 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 167.4 MB in the beginning and 196.5 MB in the end (delta: -29.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 99238.78 ms. Allocated memory was 234.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 195.0 MB in the beginning and 356.7 MB in the end (delta: -161.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 850]: 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: 269]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (((((((0 == splverifierCounter && !(0 == systemActive)) && 2 == waterLevel) && 1 <= pumpRunning) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && !(0 == systemActive)) && waterLevel <= 2) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 59.9s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 50.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 39.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1609 SDtfs, 3681 SDslu, 3446 SDs, 0 SdLazy, 14893 SolverSat, 2813 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1058 GetRequests, 818 SyntacticMatches, 1 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2469 ImplicationChecksByTransitivity, 24.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1636occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 874 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 3183 PreInvPairs, 3584 NumberOfFragments, 2064 HoareAnnotationTreeSize, 3183 FomulaSimplifications, 48601413 FormulaSimplificationTreeSizeReduction, 12.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 420695 FormulaSimplificationTreeSizeReductionInter, 26.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1490 NumberOfCodeBlocks, 1424 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1478 ConstructedInterpolants, 0 QuantifiedInterpolants, 595170 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2036 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 584/646 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...