/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_spec4_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:02:40,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:02:40,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:02:40,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:02:40,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:02:40,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:02:40,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:02:40,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:02:40,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:02:40,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:02:40,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:02:40,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:02:40,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:02:40,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:02:40,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:02:40,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:02:40,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:02:40,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:02:40,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:02:40,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:02:40,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:02:40,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:02:40,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:02:40,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:02:40,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:02:40,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:02:40,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:02:40,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:02:40,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:02:40,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:02:40,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:02:40,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:02:40,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:02:40,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:02:40,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:02:40,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:02:40,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:02:40,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:02:40,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:02:40,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:02:40,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:02:40,339 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 01:02:40,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:02:40,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:02:40,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:02:40,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:02:40,361 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:02:40,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:02:40,361 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:02:40,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:02:40,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:02:40,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:02:40,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:02:40,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:02:40,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:02:40,362 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:02:40,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:02:40,363 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:02:40,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:02:40,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:02:40,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:02:40,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:02:40,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:02:40,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:02:40,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:02:40,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:02:40,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:02:40,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:02:40,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:02:40,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:02:40,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:02:40,365 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 01:02:40,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:02:40,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:02:40,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:02:40,658 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:02:40,658 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:02:40,659 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2020-07-20 01:02:40,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95029a7b/ac9c134a0a4045528c6993b18e5c2e77/FLAGaa917b02c [2020-07-20 01:02:41,188 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:02:41,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2020-07-20 01:02:41,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95029a7b/ac9c134a0a4045528c6993b18e5c2e77/FLAGaa917b02c [2020-07-20 01:02:41,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95029a7b/ac9c134a0a4045528c6993b18e5c2e77 [2020-07-20 01:02:41,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:02:41,569 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:02:41,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:02:41,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:02:41,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:02:41,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:41" (1/1) ... [2020-07-20 01:02:41,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd60f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:41, skipping insertion in model container [2020-07-20 01:02:41,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:41" (1/1) ... [2020-07-20 01:02:41,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:02:41,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:02:42,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:02:42,137 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:02:42,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:02:42,252 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:02:42,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:42 WrapperNode [2020-07-20 01:02:42,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:02:42,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:02:42,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:02:42,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:02:42,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:42" (1/1) ... [2020-07-20 01:02:42,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:42" (1/1) ... [2020-07-20 01:02:42,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:42" (1/1) ... [2020-07-20 01:02:42,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:42" (1/1) ... [2020-07-20 01:02:42,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:42" (1/1) ... [2020-07-20 01:02:42,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:42" (1/1) ... [2020-07-20 01:02:42,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:42" (1/1) ... [2020-07-20 01:02:42,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:02:42,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:02:42,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:02:42,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:02:42,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:42" (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 01:02:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:02:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:02:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:02:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:02:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:02:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:02:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:02:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:02:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:02:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:02:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:02:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:02:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:02:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:02:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:02:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:02:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:02:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:02:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 01:02:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:02:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:02:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:02:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:02:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:02:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:02:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:02:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:02:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:02:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:02:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:02:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:02:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:02:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 01:02:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:02:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:02:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:02:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:02:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:02:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:02:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 01:02:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 01:02:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:02:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:02:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:02:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:02:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:02:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:02:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:02:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:02:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:02:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:02:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:02:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:02:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:02:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:02:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:02:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:02:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:02:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:02:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:02:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:02:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:02:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:02:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:02:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:02:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:02:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:02:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:02:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:02:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:02:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:02:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:02:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 01:02:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:02:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:02:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:02:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:02:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:02:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:02:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:02:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:02:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:02:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:02:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:02:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:02:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:02:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:02:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 01:02:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:02:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:02:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:02:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:02:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 01:02:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 01:02:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:02:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:02:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:02:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:02:43,565 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:02:43,565 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:02:43,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:43 BoogieIcfgContainer [2020-07-20 01:02:43,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:02:43,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:02:43,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:02:43,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:02:43,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:41" (1/3) ... [2020-07-20 01:02:43,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3865366d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:43, skipping insertion in model container [2020-07-20 01:02:43,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:42" (2/3) ... [2020-07-20 01:02:43,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3865366d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:43, skipping insertion in model container [2020-07-20 01:02:43,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:43" (3/3) ... [2020-07-20 01:02:43,583 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2020-07-20 01:02:43,593 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:02:43,602 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:02:43,617 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:02:43,647 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:02:43,647 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:02:43,647 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:02:43,647 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:02:43,648 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:02:43,648 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:02:43,648 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:02:43,648 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:02:43,671 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-07-20 01:02:43,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 01:02:43,680 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:43,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:02:43,682 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:43,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:43,687 INFO L82 PathProgramCache]: Analyzing trace with hash -298144076, now seen corresponding path program 1 times [2020-07-20 01:02:43,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:43,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288108241] [2020-07-20 01:02:43,697 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61279209 [2020-07-20 01:02:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,328 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:44,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288108241] [2020-07-20 01:02:44,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:44,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 01:02:44,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141791389] [2020-07-20 01:02:44,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:02:44,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:44,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:02:44,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:02:44,443 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 3 states. [2020-07-20 01:02:45,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:45,680 INFO L93 Difference]: Finished difference Result 338 states and 432 transitions. [2020-07-20 01:02:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:02:45,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-20 01:02:45,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:45,697 INFO L225 Difference]: With dead ends: 338 [2020-07-20 01:02:45,697 INFO L226 Difference]: Without dead ends: 182 [2020-07-20 01:02:45,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:02:45,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-20 01:02:45,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 147. [2020-07-20 01:02:45,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-20 01:02:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 170 transitions. [2020-07-20 01:02:45,798 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 170 transitions. Word has length 46 [2020-07-20 01:02:45,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:45,799 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 170 transitions. [2020-07-20 01:02:45,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:02:45,799 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 170 transitions. [2020-07-20 01:02:45,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 01:02:45,803 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:45,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:02:45,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:02:45,806 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:45,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:45,806 INFO L82 PathProgramCache]: Analyzing trace with hash -491113124, now seen corresponding path program 1 times [2020-07-20 01:02:45,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:45,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977465018] [2020-07-20 01:02:45,807 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61279209 [2020-07-20 01:02:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:46,187 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:46,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977465018] [2020-07-20 01:02:46,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:46,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:02:46,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684888810] [2020-07-20 01:02:46,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:02:46,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:46,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:02:46,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:02:46,235 INFO L87 Difference]: Start difference. First operand 147 states and 170 transitions. Second operand 4 states. [2020-07-20 01:02:46,671 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:47,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:47,594 INFO L93 Difference]: Finished difference Result 267 states and 319 transitions. [2020-07-20 01:02:47,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:02:47,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-20 01:02:47,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:47,599 INFO L225 Difference]: With dead ends: 267 [2020-07-20 01:02:47,599 INFO L226 Difference]: Without dead ends: 166 [2020-07-20 01:02:47,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:02:47,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-20 01:02:47,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 138. [2020-07-20 01:02:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-20 01:02:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 158 transitions. [2020-07-20 01:02:47,639 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 158 transitions. Word has length 47 [2020-07-20 01:02:47,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:47,640 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 158 transitions. [2020-07-20 01:02:47,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:02:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2020-07-20 01:02:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 01:02:47,642 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:47,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:02:47,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:02:47,643 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:47,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:47,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1388977157, now seen corresponding path program 1 times [2020-07-20 01:02:47,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:47,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348763483] [2020-07-20 01:02:47,644 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61279209 [2020-07-20 01:02:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,983 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:48,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348763483] [2020-07-20 01:02:48,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:48,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 01:02:48,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374165634] [2020-07-20 01:02:48,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:02:48,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:48,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:02:48,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:02:48,087 INFO L87 Difference]: Start difference. First operand 138 states and 158 transitions. Second operand 8 states. [2020-07-20 01:02:48,471 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:48,802 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:49,059 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:49,302 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:50,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:50,655 INFO L93 Difference]: Finished difference Result 280 states and 337 transitions. [2020-07-20 01:02:50,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 01:02:50,659 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-20 01:02:50,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:50,662 INFO L225 Difference]: With dead ends: 280 [2020-07-20 01:02:50,662 INFO L226 Difference]: Without dead ends: 166 [2020-07-20 01:02:50,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:02:50,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-20 01:02:50,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 138. [2020-07-20 01:02:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-20 01:02:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 157 transitions. [2020-07-20 01:02:50,722 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 157 transitions. Word has length 52 [2020-07-20 01:02:50,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:50,723 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 157 transitions. [2020-07-20 01:02:50,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:02:50,723 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2020-07-20 01:02:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 01:02:50,726 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:50,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:02:50,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:02:50,727 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:50,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:50,727 INFO L82 PathProgramCache]: Analyzing trace with hash 105794737, now seen corresponding path program 1 times [2020-07-20 01:02:50,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:50,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909640842] [2020-07-20 01:02:50,728 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61279209 [2020-07-20 01:02:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,075 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:51,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909640842] [2020-07-20 01:02:51,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:51,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 01:02:51,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927145729] [2020-07-20 01:02:51,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:02:51,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:51,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:02:51,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:02:51,205 INFO L87 Difference]: Start difference. First operand 138 states and 157 transitions. Second operand 6 states. [2020-07-20 01:02:51,581 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:52,826 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:53,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:53,471 INFO L93 Difference]: Finished difference Result 377 states and 459 transitions. [2020-07-20 01:02:53,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:02:53,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-20 01:02:53,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:53,476 INFO L225 Difference]: With dead ends: 377 [2020-07-20 01:02:53,476 INFO L226 Difference]: Without dead ends: 263 [2020-07-20 01:02:53,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:02:53,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-07-20 01:02:53,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 220. [2020-07-20 01:02:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-20 01:02:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 248 transitions. [2020-07-20 01:02:53,546 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 248 transitions. Word has length 65 [2020-07-20 01:02:53,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:53,547 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 248 transitions. [2020-07-20 01:02:53,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:02:53,547 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 248 transitions. [2020-07-20 01:02:53,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-20 01:02:53,549 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:53,550 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:02:53,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:02:53,550 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:53,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:53,551 INFO L82 PathProgramCache]: Analyzing trace with hash -830596407, now seen corresponding path program 1 times [2020-07-20 01:02:53,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:53,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699242357] [2020-07-20 01:02:53,551 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61279209 [2020-07-20 01:02:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,829 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:53,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699242357] [2020-07-20 01:02:53,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:53,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 01:02:53,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512088390] [2020-07-20 01:02:53,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 01:02:53,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:53,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 01:02:53,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:02:53,945 INFO L87 Difference]: Start difference. First operand 220 states and 248 transitions. Second operand 10 states. [2020-07-20 01:02:54,548 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:54,792 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:55,052 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:55,710 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:55,994 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:56,267 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:57,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:57,427 INFO L93 Difference]: Finished difference Result 460 states and 553 transitions. [2020-07-20 01:02:57,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:02:57,429 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2020-07-20 01:02:57,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:57,431 INFO L225 Difference]: With dead ends: 460 [2020-07-20 01:02:57,432 INFO L226 Difference]: Without dead ends: 264 [2020-07-20 01:02:57,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:02:57,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-20 01:02:57,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 224. [2020-07-20 01:02:57,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-20 01:02:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 252 transitions. [2020-07-20 01:02:57,483 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 252 transitions. Word has length 79 [2020-07-20 01:02:57,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:57,484 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 252 transitions. [2020-07-20 01:02:57,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 01:02:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 252 transitions. [2020-07-20 01:02:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-20 01:02:57,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:57,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:02:57,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:02:57,487 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:57,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:57,487 INFO L82 PathProgramCache]: Analyzing trace with hash 2078167495, now seen corresponding path program 1 times [2020-07-20 01:02:57,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:57,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715201705] [2020-07-20 01:02:57,488 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61279209 [2020-07-20 01:02:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,779 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:57,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715201705] [2020-07-20 01:02:57,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:57,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:02:57,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690884817] [2020-07-20 01:02:57,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:02:57,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:57,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:02:57,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:02:57,888 INFO L87 Difference]: Start difference. First operand 224 states and 252 transitions. Second operand 12 states. [2020-07-20 01:02:58,486 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:58,808 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:59,064 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:59,304 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:59,937 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:03:00,889 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:01,221 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:03:01,483 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:03:01,781 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:02,103 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:03:02,360 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:03:03,768 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:04,143 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:04,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:04,817 INFO L93 Difference]: Finished difference Result 789 states and 997 transitions. [2020-07-20 01:03:04,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-20 01:03:04,818 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 79 [2020-07-20 01:03:04,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:04,824 INFO L225 Difference]: With dead ends: 789 [2020-07-20 01:03:04,824 INFO L226 Difference]: Without dead ends: 589 [2020-07-20 01:03:04,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-20 01:03:04,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2020-07-20 01:03:04,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 527. [2020-07-20 01:03:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-07-20 01:03:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 609 transitions. [2020-07-20 01:03:04,933 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 609 transitions. Word has length 79 [2020-07-20 01:03:04,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:04,934 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 609 transitions. [2020-07-20 01:03:04,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:03:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 609 transitions. [2020-07-20 01:03:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-20 01:03:04,939 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:04,939 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:03:04,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:03:04,940 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:04,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:04,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1201141545, now seen corresponding path program 1 times [2020-07-20 01:03:04,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:04,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369351572] [2020-07-20 01:03:04,941 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61279209 [2020-07-20 01:03:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,263 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:05,541 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-20 01:03:05,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369351572] [2020-07-20 01:03:05,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670023714] [2020-07-20 01:03:05,542 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@71f4245d 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 01:03:05,948 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@71f4245d issued 2 check-sat command(s) [2020-07-20 01:03:05,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:05,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 01:03:05,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:03:06,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:03:06,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 17 [2020-07-20 01:03:06,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118877029] [2020-07-20 01:03:06,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:03:06,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:06,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:03:06,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-20 01:03:06,130 INFO L87 Difference]: Start difference. First operand 527 states and 609 transitions. Second operand 8 states. [2020-07-20 01:03:07,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:07,636 INFO L93 Difference]: Finished difference Result 1328 states and 1690 transitions. [2020-07-20 01:03:07,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:03:07,637 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2020-07-20 01:03:07,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:07,645 INFO L225 Difference]: With dead ends: 1328 [2020-07-20 01:03:07,646 INFO L226 Difference]: Without dead ends: 950 [2020-07-20 01:03:07,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2020-07-20 01:03:07,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2020-07-20 01:03:07,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 869. [2020-07-20 01:03:07,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-07-20 01:03:07,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1047 transitions. [2020-07-20 01:03:07,880 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1047 transitions. Word has length 154 [2020-07-20 01:03:07,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:07,881 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 1047 transitions. [2020-07-20 01:03:07,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:03:07,882 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1047 transitions. [2020-07-20 01:03:07,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 01:03:07,891 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:07,892 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:03:08,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 01:03:08,106 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:08,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:08,107 INFO L82 PathProgramCache]: Analyzing trace with hash -2098643833, now seen corresponding path program 1 times [2020-07-20 01:03:08,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:08,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938845785] [2020-07-20 01:03:08,109 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61279209 [2020-07-20 01:03:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,395 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 01:03:08,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938845785] [2020-07-20 01:03:08,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50582249] [2020-07-20 01:03:08,567 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@73916b65 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:08,944 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@73916b65 issued 3 check-sat command(s) [2020-07-20 01:03:08,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:08,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:03:08,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 01:03:08,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:03:08,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-07-20 01:03:08,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300551668] [2020-07-20 01:03:08,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:03:08,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:08,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:03:08,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:03:08,984 INFO L87 Difference]: Start difference. First operand 869 states and 1047 transitions. Second operand 6 states. [2020-07-20 01:03:09,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:09,180 INFO L93 Difference]: Finished difference Result 1552 states and 1935 transitions. [2020-07-20 01:03:09,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:03:09,181 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2020-07-20 01:03:09,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:09,187 INFO L225 Difference]: With dead ends: 1552 [2020-07-20 01:03:09,188 INFO L226 Difference]: Without dead ends: 707 [2020-07-20 01:03:09,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:03:09,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-07-20 01:03:09,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 705. [2020-07-20 01:03:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2020-07-20 01:03:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 844 transitions. [2020-07-20 01:03:09,337 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 844 transitions. Word has length 145 [2020-07-20 01:03:09,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:09,338 INFO L479 AbstractCegarLoop]: Abstraction has 705 states and 844 transitions. [2020-07-20 01:03:09,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:03:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 844 transitions. [2020-07-20 01:03:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 01:03:09,340 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:09,340 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:03:09,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:09,555 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:09,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:09,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1319690960, now seen corresponding path program 1 times [2020-07-20 01:03:09,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:09,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548517151] [2020-07-20 01:03:09,557 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61279209 [2020-07-20 01:03:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,857 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 01:03:10,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548517151] [2020-07-20 01:03:10,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703332343] [2020-07-20 01:03:10,151 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68b8e34c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:10,625 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68b8e34c issued 4 check-sat command(s) [2020-07-20 01:03:10,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:10,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:03:10,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:03:10,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:03:10,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2020-07-20 01:03:10,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121342351] [2020-07-20 01:03:10,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-20 01:03:10,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:10,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-20 01:03:10,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-20 01:03:10,813 INFO L87 Difference]: Start difference. First operand 705 states and 844 transitions. Second operand 17 states. [2020-07-20 01:03:11,585 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:12,408 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:13,286 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:13,581 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:13,832 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:14,346 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-07-20 01:03:14,648 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:14,907 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:15,707 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:03:15,993 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:03:16,322 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:16,567 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:17,277 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:17,520 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:03:17,768 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:03:18,012 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:03:19,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:19,614 INFO L93 Difference]: Finished difference Result 1437 states and 1824 transitions. [2020-07-20 01:03:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-20 01:03:19,615 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 149 [2020-07-20 01:03:19,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:19,621 INFO L225 Difference]: With dead ends: 1437 [2020-07-20 01:03:19,622 INFO L226 Difference]: Without dead ends: 819 [2020-07-20 01:03:19,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=431, Invalid=1461, Unknown=0, NotChecked=0, Total=1892 [2020-07-20 01:03:19,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2020-07-20 01:03:19,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 702. [2020-07-20 01:03:19,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-07-20 01:03:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 835 transitions. [2020-07-20 01:03:19,779 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 835 transitions. Word has length 149 [2020-07-20 01:03:19,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:19,780 INFO L479 AbstractCegarLoop]: Abstraction has 702 states and 835 transitions. [2020-07-20 01:03:19,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-20 01:03:19,780 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 835 transitions. [2020-07-20 01:03:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-07-20 01:03:19,784 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:19,784 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:03:19,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:20,000 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:20,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:20,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1478344098, now seen corresponding path program 1 times [2020-07-20 01:03:20,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:20,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212332712] [2020-07-20 01:03:20,001 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61279209 [2020-07-20 01:03:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,302 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:20,518 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-20 01:03:20,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212332712] [2020-07-20 01:03:20,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497849962] [2020-07-20 01:03:20,518 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@792c3dc0 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:21,154 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@792c3dc0 issued 3 check-sat command(s) [2020-07-20 01:03:21,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:21,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:03:21,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:21,403 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:03:21,403 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:03:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 01:03:21,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:03:21,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2020-07-20 01:03:21,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544073940] [2020-07-20 01:03:21,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-20 01:03:21,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:21,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-20 01:03:21,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:03:21,567 INFO L87 Difference]: Start difference. First operand 702 states and 835 transitions. Second operand 18 states. [2020-07-20 01:03:22,446 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:23,466 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:24,614 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:25,511 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:03:25,782 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:03:26,034 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:03:26,533 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-20 01:03:27,008 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-07-20 01:03:28,083 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:28,369 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:28,621 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:29,098 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-20 01:03:29,335 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:29,912 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-20 01:03:30,165 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:03:30,994 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-07-20 01:03:31,734 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-20 01:03:32,247 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-20 01:03:33,129 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:03:33,703 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:03:34,212 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:03:35,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:35,583 INFO L93 Difference]: Finished difference Result 1835 states and 2341 transitions. [2020-07-20 01:03:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-07-20 01:03:35,584 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 203 [2020-07-20 01:03:35,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:35,592 INFO L225 Difference]: With dead ends: 1835 [2020-07-20 01:03:35,592 INFO L226 Difference]: Without dead ends: 1218 [2020-07-20 01:03:35,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=598, Invalid=2708, Unknown=0, NotChecked=0, Total=3306 [2020-07-20 01:03:35,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-07-20 01:03:35,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 962. [2020-07-20 01:03:35,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 962 states. [2020-07-20 01:03:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1132 transitions. [2020-07-20 01:03:35,796 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1132 transitions. Word has length 203 [2020-07-20 01:03:35,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:35,797 INFO L479 AbstractCegarLoop]: Abstraction has 962 states and 1132 transitions. [2020-07-20 01:03:35,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-20 01:03:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1132 transitions. [2020-07-20 01:03:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-07-20 01:03:35,800 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:35,801 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:03:36,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:36,017 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:36,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:36,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1257976449, now seen corresponding path program 1 times [2020-07-20 01:03:36,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:36,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636473663] [2020-07-20 01:03:36,020 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61279209 [2020-07-20 01:03:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,363 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-20 01:03:36,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636473663] [2020-07-20 01:03:36,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75009074] [2020-07-20 01:03:36,585 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@351b0817 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:37,092 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@351b0817 issued 3 check-sat command(s) [2020-07-20 01:03:37,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:37,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:03:37,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-20 01:03:37,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:03:37,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 13 [2020-07-20 01:03:37,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579056804] [2020-07-20 01:03:37,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:03:37,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:37,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:03:37,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:03:37,141 INFO L87 Difference]: Start difference. First operand 962 states and 1132 transitions. Second operand 6 states. [2020-07-20 01:03:37,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:37,251 INFO L93 Difference]: Finished difference Result 1252 states and 1469 transitions. [2020-07-20 01:03:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:03:37,251 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 207 [2020-07-20 01:03:37,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:37,254 INFO L225 Difference]: With dead ends: 1252 [2020-07-20 01:03:37,254 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:03:37,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:03:37,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:03:37,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:03:37,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:03:37,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:03:37,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-07-20 01:03:37,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:37,258 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:03:37,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:03:37,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:03:37,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:03:37,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-20 01:03:37,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:03:38,582 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 238 [2020-07-20 01:03:39,152 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 238 [2020-07-20 01:03:39,405 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 234 [2020-07-20 01:03:39,898 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 233 [2020-07-20 01:03:40,792 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 238 [2020-07-20 01:03:41,773 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 11 [2020-07-20 01:03:41,913 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-20 01:03:42,084 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-20 01:03:42,261 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-20 01:03:42,934 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 27 [2020-07-20 01:03:43,071 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-20 01:03:43,575 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 27 [2020-07-20 01:03:43,871 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 14 [2020-07-20 01:03:44,043 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-07-20 01:03:44,512 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 20 [2020-07-20 01:03:44,898 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2020-07-20 01:03:45,384 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 27 [2020-07-20 01:03:45,559 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-20 01:03:45,735 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-20 01:03:46,152 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 26 [2020-07-20 01:03:46,642 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-20 01:03:46,837 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-07-20 01:03:46,977 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:03:47,332 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 25 [2020-07-20 01:03:47,809 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 21 [2020-07-20 01:03:47,970 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-07-20 01:03:48,266 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 15 [2020-07-20 01:03:48,750 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 20 [2020-07-20 01:03:48,896 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:03:49,028 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-20 01:03:49,325 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 14 [2020-07-20 01:03:49,854 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 26 [2020-07-20 01:03:50,150 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-07-20 01:03:50,272 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 8 [2020-07-20 01:03:50,737 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 27 [2020-07-20 01:03:50,938 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-20 01:03:51,122 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-20 01:03:51,234 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-07-20 01:03:51,416 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-20 01:03:51,577 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-07-20 01:03:51,706 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-20 01:03:51,878 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-20 01:03:52,063 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:03:52,285 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-20 01:03:52,470 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 16 [2020-07-20 01:03:52,677 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 13 [2020-07-20 01:03:52,847 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-07-20 01:03:53,540 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2020-07-20 01:03:53,774 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 19 [2020-07-20 01:03:53,778 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 01:03:53,779 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 01:03:53,780 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 01:03:53,780 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 01:03:53,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 01:03:53,780 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 01:03:53,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 01:03:53,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 01:03:53,780 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 01:03:53,780 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 01:03:53,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 01:03:53,780 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 01:03:53,781 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 01:03:53,781 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 01:03:53,781 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 01:03:53,781 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 01:03:53,781 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 01:03:53,781 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 01:03:53,781 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2020-07-20 01:03:53,782 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2020-07-20 01:03:53,782 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2020-07-20 01:03:53,782 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2020-07-20 01:03:53,782 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2020-07-20 01:03:53,782 INFO L268 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2020-07-20 01:03:53,782 INFO L268 CegarLoopResult]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2020-07-20 01:03:53,782 INFO L271 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: true [2020-07-20 01:03:53,782 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2020-07-20 01:03:53,782 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-07-20 01:03:53,783 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2020-07-20 01:03:53,783 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-20 01:03:53,783 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-20 01:03:53,783 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-20 01:03:53,783 INFO L268 CegarLoopResult]: For program point L419-1(line 419) no Hoare annotation was computed. [2020-07-20 01:03:53,783 INFO L268 CegarLoopResult]: For program point L642-1(lines 642 649) no Hoare annotation was computed. [2020-07-20 01:03:53,783 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-07-20 01:03:53,783 INFO L264 CegarLoopResult]: At program point L639(line 639) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:03:53,784 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:03:53,784 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 632 654) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:03:53,784 INFO L264 CegarLoopResult]: At program point L638-1(line 638) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:03:53,784 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 632 654) no Hoare annotation was computed. [2020-07-20 01:03:53,784 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 632 654) no Hoare annotation was computed. [2020-07-20 01:03:53,784 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:03:53,784 INFO L264 CegarLoopResult]: At program point L644-1(line 644) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:03:53,785 INFO L268 CegarLoopResult]: For program point L642(lines 642 649) no Hoare annotation was computed. [2020-07-20 01:03:53,785 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 587 610) no Hoare annotation was computed. [2020-07-20 01:03:53,785 INFO L268 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-07-20 01:03:53,785 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 587 610) no Hoare annotation was computed. [2020-07-20 01:03:53,785 INFO L268 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-07-20 01:03:53,785 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 587 610) no Hoare annotation was computed. [2020-07-20 01:03:53,785 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-07-20 01:03:53,785 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-20 01:03:53,785 INFO L268 CegarLoopResult]: For program point L601(line 601) no Hoare annotation was computed. [2020-07-20 01:03:53,785 INFO L268 CegarLoopResult]: For program point L600(line 600) no Hoare annotation was computed. [2020-07-20 01:03:53,786 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-07-20 01:03:53,786 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-07-20 01:03:53,786 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-07-20 01:03:53,786 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-07-20 01:03:53,786 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 01:03:53,786 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-20 01:03:53,786 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-20 01:03:53,786 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 01:03:53,787 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 825 833) no Hoare annotation was computed. [2020-07-20 01:03:53,787 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 825 833) the Hoare annotation is: true [2020-07-20 01:03:53,787 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 825 833) no Hoare annotation was computed. [2020-07-20 01:03:53,787 INFO L271 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: true [2020-07-20 01:03:53,787 INFO L268 CegarLoopResult]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2020-07-20 01:03:53,787 INFO L268 CegarLoopResult]: For program point L896-1(line 896) no Hoare annotation was computed. [2020-07-20 01:03:53,787 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 889 907) the Hoare annotation is: true [2020-07-20 01:03:53,787 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 889 907) no Hoare annotation was computed. [2020-07-20 01:03:53,787 INFO L268 CegarLoopResult]: For program point L898(lines 898 902) no Hoare annotation was computed. [2020-07-20 01:03:53,788 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 889 907) no Hoare annotation was computed. [2020-07-20 01:03:53,788 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-20 01:03:53,788 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-07-20 01:03:53,788 INFO L268 CegarLoopResult]: For program point L853(lines 853 861) no Hoare annotation was computed. [2020-07-20 01:03:53,788 INFO L268 CegarLoopResult]: For program point L853-2(lines 853 861) no Hoare annotation was computed. [2020-07-20 01:03:53,788 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 834 869) no Hoare annotation was computed. [2020-07-20 01:03:53,788 INFO L268 CegarLoopResult]: For program point L841(lines 841 849) no Hoare annotation was computed. [2020-07-20 01:03:53,788 INFO L268 CegarLoopResult]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2020-07-20 01:03:53,788 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 834 869) no Hoare annotation was computed. [2020-07-20 01:03:53,788 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 834 869) no Hoare annotation was computed. [2020-07-20 01:03:53,789 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2020-07-20 01:03:53,789 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2020-07-20 01:03:53,789 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 01:03:53,789 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 01:03:53,789 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 01:03:53,789 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 01:03:53,789 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 01:03:53,789 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 01:03:53,789 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 01:03:53,790 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 01:03:53,790 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 01:03:53,790 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 619 628) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:03:53,790 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 619 628) no Hoare annotation was computed. [2020-07-20 01:03:53,790 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 619 628) no Hoare annotation was computed. [2020-07-20 01:03:53,790 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 814 824) the Hoare annotation is: true [2020-07-20 01:03:53,790 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 814 824) no Hoare annotation was computed. [2020-07-20 01:03:53,790 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 814 824) no Hoare annotation was computed. [2020-07-20 01:03:53,790 INFO L271 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: true [2020-07-20 01:03:53,791 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-20 01:03:53,791 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 806 813) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,791 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 806 813) no Hoare annotation was computed. [2020-07-20 01:03:53,791 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 806 813) no Hoare annotation was computed. [2020-07-20 01:03:53,791 INFO L268 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-07-20 01:03:53,791 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2020-07-20 01:03:53,791 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2020-07-20 01:03:53,791 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2020-07-20 01:03:53,791 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,792 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~6)) .cse1))) [2020-07-20 01:03:53,792 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-07-20 01:03:53,792 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2020-07-20 01:03:53,792 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-20 01:03:53,792 INFO L268 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-07-20 01:03:53,792 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2020-07-20 01:03:53,792 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,792 INFO L264 CegarLoopResult]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1) (or (= 0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2020-07-20 01:03:53,793 INFO L268 CegarLoopResult]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2020-07-20 01:03:53,793 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2020-07-20 01:03:53,793 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2020-07-20 01:03:53,793 INFO L268 CegarLoopResult]: For program point L929(lines 929 933) no Hoare annotation was computed. [2020-07-20 01:03:53,793 INFO L264 CegarLoopResult]: At program point testENTRY(lines 917 982) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:03:53,793 INFO L268 CegarLoopResult]: For program point testFINAL(lines 917 982) no Hoare annotation was computed. [2020-07-20 01:03:53,793 INFO L264 CegarLoopResult]: At program point L975(lines 926 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:03:53,793 INFO L268 CegarLoopResult]: For program point L965(lines 965 969) no Hoare annotation was computed. [2020-07-20 01:03:53,793 INFO L264 CegarLoopResult]: At program point L965-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (< |old(~waterLevel~0)| 2)) (and .cse0 (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:03:53,794 INFO L268 CegarLoopResult]: For program point L928(lines 927 974) no Hoare annotation was computed. [2020-07-20 01:03:53,794 INFO L264 CegarLoopResult]: At program point L959(line 959) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (< |old(~waterLevel~0)| 2)) (and .cse0 (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:03:53,794 INFO L268 CegarLoopResult]: For program point L957(lines 957 970) no Hoare annotation was computed. [2020-07-20 01:03:53,794 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (< |old(~waterLevel~0)| 2)) (and .cse0 (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:03:53,794 INFO L268 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2020-07-20 01:03:53,794 INFO L268 CegarLoopResult]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2020-07-20 01:03:53,795 INFO L264 CegarLoopResult]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-20 01:03:53,795 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:03:53,795 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-20 01:03:53,795 INFO L268 CegarLoopResult]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2020-07-20 01:03:53,796 INFO L268 CegarLoopResult]: For program point testEXIT(lines 917 982) no Hoare annotation was computed. [2020-07-20 01:03:53,796 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 01:03:53,796 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 01:03:53,796 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 01:03:53,796 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 01:03:53,796 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 01:03:53,796 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 01:03:53,796 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,796 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 780 787) no Hoare annotation was computed. [2020-07-20 01:03:53,797 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 780 787) no Hoare annotation was computed. [2020-07-20 01:03:53,797 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 544 552) no Hoare annotation was computed. [2020-07-20 01:03:53,797 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 544 552) the Hoare annotation is: true [2020-07-20 01:03:53,797 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 544 552) no Hoare annotation was computed. [2020-07-20 01:03:53,797 INFO L268 CegarLoopResult]: For program point L506(lines 506 514) no Hoare annotation was computed. [2020-07-20 01:03:53,797 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 498 520) no Hoare annotation was computed. [2020-07-20 01:03:53,797 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2020-07-20 01:03:53,797 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 498 520) no Hoare annotation was computed. [2020-07-20 01:03:53,798 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 498 520) no Hoare annotation was computed. [2020-07-20 01:03:53,798 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 01:03:53,798 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 01:03:53,798 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 01:03:53,799 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 01:03:53,799 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 01:03:53,800 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 01:03:53,800 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 01:03:53,800 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 01:03:53,800 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 01:03:53,800 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 01:03:53,800 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 01:03:53,800 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 01:03:53,800 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 01:03:53,801 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 01:03:53,801 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 01:03:53,801 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 01:03:53,802 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 657 666) no Hoare annotation was computed. [2020-07-20 01:03:53,802 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 657 666) no Hoare annotation was computed. [2020-07-20 01:03:53,802 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 657 666) no Hoare annotation was computed. [2020-07-20 01:03:53,802 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:03:53,803 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#t~string42.base)| |#t~string42.base|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(#t~string38.offset)| |#t~string38.offset|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string44.offset)| |#t~string44.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |old(#t~string46.base)| |#t~string46.base|) (= |old(#t~string18.offset)| |#t~string18.offset|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |old(#t~string60.base)| |#t~string60.base|) (= |old(#t~string29.offset)| |#t~string29.offset|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |old(#t~string20.offset)| |#t~string20.offset|) (= |#t~string64.base| |old(#t~string64.base)|) (= |old(#t~string20.base)| |#t~string20.base|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |old(#t~string23.base)| |#t~string23.base|) (= |old(#t~string32.base)| |#t~string32.base|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |old(#t~string31.base)| |#t~string31.base|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string28.base)| |#t~string28.base|) (= |old(#t~string38.base)| |#t~string38.base|) (= |old(#t~string29.base)| |#t~string29.base|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string46.offset)| |#t~string46.offset|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |#t~string19.base| |old(#t~string19.base)|) (= |old(#t~string66.base)| |#t~string66.base|) (= |old(#t~string40.base)| |#t~string40.base|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |old(#t~string64.offset)| |#t~string64.offset|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(#t~string44.base)| |#t~string44.base|) (= |old(#t~string31.offset)| |#t~string31.offset|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |old(#t~string54.offset)| |#t~string54.offset|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2020-07-20 01:03:53,803 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:03:53,803 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,803 INFO L268 CegarLoopResult]: For program point L800-1(lines 789 805) no Hoare annotation was computed. [2020-07-20 01:03:53,803 INFO L268 CegarLoopResult]: For program point L796(lines 796 802) no Hoare annotation was computed. [2020-07-20 01:03:53,803 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 789 805) no Hoare annotation was computed. [2020-07-20 01:03:53,804 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,804 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-07-20 01:03:53,804 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 789 805) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,804 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 521 529) the Hoare annotation is: true [2020-07-20 01:03:53,804 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2020-07-20 01:03:53,804 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2020-07-20 01:03:53,804 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 870 888) no Hoare annotation was computed. [2020-07-20 01:03:53,804 INFO L268 CegarLoopResult]: For program point L879(lines 879 883) no Hoare annotation was computed. [2020-07-20 01:03:53,804 INFO L271 CegarLoopResult]: At program point L877(line 877) the Hoare annotation is: true [2020-07-20 01:03:53,805 INFO L268 CegarLoopResult]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2020-07-20 01:03:53,805 INFO L268 CegarLoopResult]: For program point L877-1(line 877) no Hoare annotation was computed. [2020-07-20 01:03:53,806 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 870 888) the Hoare annotation is: true [2020-07-20 01:03:53,807 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 870 888) no Hoare annotation was computed. [2020-07-20 01:03:53,807 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:03:53,807 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:03:53,807 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:03:53,807 INFO L268 CegarLoopResult]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2020-07-20 01:03:53,807 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2020-07-20 01:03:53,807 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2020-07-20 01:03:53,807 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2020-07-20 01:03:53,807 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2020-07-20 01:03:53,808 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2020-07-20 01:03:53,808 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-20 01:03:53,808 INFO L268 CegarLoopResult]: For program point L701(lines 700 719) no Hoare annotation was computed. [2020-07-20 01:03:53,808 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) .cse0) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-07-20 01:03:53,808 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2020-07-20 01:03:53,808 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2020-07-20 01:03:53,808 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-20 01:03:53,809 INFO L264 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse1) (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse3 (not (<= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-20 01:03:53,809 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 01:03:53,809 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 556 585) no Hoare annotation was computed. [2020-07-20 01:03:53,811 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 556 585) the Hoare annotation is: true [2020-07-20 01:03:53,811 INFO L268 CegarLoopResult]: For program point L570(lines 570 574) no Hoare annotation was computed. [2020-07-20 01:03:53,811 INFO L271 CegarLoopResult]: At program point L570-1(lines 570 574) the Hoare annotation is: true [2020-07-20 01:03:53,811 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-07-20 01:03:53,811 INFO L271 CegarLoopResult]: At program point L566-2(lines 566 580) the Hoare annotation is: true [2020-07-20 01:03:53,811 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-07-20 01:03:53,811 INFO L268 CegarLoopResult]: For program point L562-1(line 562) no Hoare annotation was computed. [2020-07-20 01:03:53,811 INFO L271 CegarLoopResult]: At program point L581(lines 556 585) the Hoare annotation is: true [2020-07-20 01:03:53,812 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,812 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2020-07-20 01:03:53,812 INFO L268 CegarLoopResult]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2020-07-20 01:03:53,812 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 611 617) no Hoare annotation was computed. [2020-07-20 01:03:53,812 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 611 617) the Hoare annotation is: true [2020-07-20 01:03:53,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:03:53,812 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 01:03:53,812 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:03:53,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:03:53,813 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 908 915) no Hoare annotation was computed. [2020-07-20 01:03:53,813 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 908 915) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~systemActive~0)|)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (= 1 ~systemActive~0)) (or (not (<= 1 ~waterLevel~0)) (= |old(~systemActive~0)| ~systemActive~0) .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-20 01:03:53,813 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 908 915) no Hoare annotation was computed. [2020-07-20 01:03:53,813 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-20 01:03:53,813 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,813 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,813 INFO L268 CegarLoopResult]: For program point L735-1(line 735) no Hoare annotation was computed. [2020-07-20 01:03:53,813 INFO L268 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-07-20 01:03:53,813 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2020-07-20 01:03:53,814 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,814 INFO L268 CegarLoopResult]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2020-07-20 01:03:53,814 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,814 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:53,814 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2020-07-20 01:03:53,814 INFO L268 CegarLoopResult]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2020-07-20 01:03:53,814 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-20 01:03:53,814 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2020-07-20 01:03:53,815 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-07-20 01:03:53,815 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2020-07-20 01:03:53,815 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2020-07-20 01:03:53,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:03:53 BoogieIcfgContainer [2020-07-20 01:03:53,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:03:53,855 INFO L168 Benchmark]: Toolchain (without parser) took 72285.00 ms. Allocated memory was 146.3 MB in the beginning and 848.3 MB in the end (delta: 702.0 MB). Free memory was 101.6 MB in the beginning and 267.7 MB in the end (delta: -166.1 MB). Peak memory consumption was 727.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:03:53,858 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:03:53,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.62 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 171.9 MB in the end (delta: -70.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:03:53,859 INFO L168 Benchmark]: Boogie Preprocessor took 89.77 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 167.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:03:53,859 INFO L168 Benchmark]: RCFGBuilder took 1230.04 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.9 MB in the beginning and 190.8 MB in the end (delta: -22.9 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-07-20 01:03:53,860 INFO L168 Benchmark]: TraceAbstraction took 70276.64 ms. Allocated memory was 235.4 MB in the beginning and 848.3 MB in the end (delta: 612.9 MB). Free memory was 190.8 MB in the beginning and 267.7 MB in the end (delta: -76.9 MB). Peak memory consumption was 728.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:03:53,861 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.62 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 171.9 MB in the end (delta: -70.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.77 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 167.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1230.04 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.9 MB in the beginning and 190.8 MB in the end (delta: -22.9 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 70276.64 ms. Allocated memory was 235.4 MB in the beginning and 848.3 MB in the end (delta: 612.9 MB). Free memory was 190.8 MB in the beginning and 267.7 MB in the end (delta: -76.9 MB). Peak memory consumption was 728.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 926]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive) && \old(waterLevel) <= waterLevel) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 42.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1758 SDtfs, 2988 SDslu, 3394 SDs, 0 SdLazy, 11463 SolverSat, 2018 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1475 GetRequests, 1274 SyntacticMatches, 1 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1502 ImplicationChecksByTransitivity, 21.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=962occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 692 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1880 PreInvPairs, 1934 NumberOfFragments, 1212 HoareAnnotationTreeSize, 1880 FomulaSimplifications, 5194003 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 66 FomulaSimplificationsInter, 60727 FormulaSimplificationTreeSizeReductionInter, 12.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 2084 NumberOfCodeBlocks, 1873 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2068 ConstructedInterpolants, 0 QuantifiedInterpolants, 721365 SizeOfPredicates, 16 NumberOfNonLiveVariables, 4310 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 570/620 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...