/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:52:09,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:52:09,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:52:09,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:52:09,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:52:09,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:52:09,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:52:09,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:52:09,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:52:09,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:52:09,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:52:09,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:52:09,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:52:09,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:52:09,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:52:09,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:52:09,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:52:09,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:52:09,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:52:09,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:52:09,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:52:09,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:52:09,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:52:09,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:52:09,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:52:09,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:52:09,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:52:09,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:52:09,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:52:09,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:52:09,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:52:09,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:52:09,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:52:09,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:52:09,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:52:09,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:52:09,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:52:09,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:52:09,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:52:09,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:52:09,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:52:09,369 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 [2020-07-07 10:52:09,394 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:52:09,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:52:09,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:52:09,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:52:09,399 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:52:09,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:52:09,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:52:09,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:52:09,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:52:09,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:52:09,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:52:09,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:52:09,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:52:09,401 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:52:09,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:52:09,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:52:09,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:52:09,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:52:09,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:52:09,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:52:09,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:52:09,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:52:09,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:52:09,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:52:09,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:52:09,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:52:09,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:52:09,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:52:09,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:52:09,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:52:09,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:52:09,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:52:09,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:52:09,692 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:52:09,693 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:52:09,694 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-07 10:52:09,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8116cb262/cc6c6c7bb8334bb7bd596a11068b5f2b/FLAG32e565ab7 [2020-07-07 10:52:10,371 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:52:10,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-07 10:52:10,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8116cb262/cc6c6c7bb8334bb7bd596a11068b5f2b/FLAG32e565ab7 [2020-07-07 10:52:10,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8116cb262/cc6c6c7bb8334bb7bd596a11068b5f2b [2020-07-07 10:52:10,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:52:10,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:52:10,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:52:10,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:52:10,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:52:10,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:52:10" (1/1) ... [2020-07-07 10:52:10,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d558754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:10, skipping insertion in model container [2020-07-07 10:52:10,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:52:10" (1/1) ... [2020-07-07 10:52:10,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:52:10,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:52:11,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:52:11,148 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:52:11,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:52:11,270 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:52:11,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:11 WrapperNode [2020-07-07 10:52:11,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:52:11,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:52:11,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:52:11,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:52:11,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:11" (1/1) ... [2020-07-07 10:52:11,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:11" (1/1) ... [2020-07-07 10:52:11,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:11" (1/1) ... [2020-07-07 10:52:11,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:11" (1/1) ... [2020-07-07 10:52:11,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:11" (1/1) ... [2020-07-07 10:52:11,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:11" (1/1) ... [2020-07-07 10:52:11,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:11" (1/1) ... [2020-07-07 10:52:11,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:52:11,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:52:11,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:52:11,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:52:11,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:11" (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 [2020-07-07 10:52:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:52:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:52:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:52:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:52:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:52:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:52:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:52:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:52:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:52:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:52:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:52:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:52:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:52:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:52:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:52:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:52:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:52:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:52:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:52:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:52:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:52:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:52:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:52:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:52:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:52:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:52:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:52:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:52:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:52:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:52:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:52:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:52:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:52:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:52:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:52:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:52:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:52:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:52:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:52:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:52:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:52:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:52:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:52:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:52:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:52:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:52:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:52:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:52:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:52:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:52:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:52:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:52:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:52:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:52:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:52:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:52:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:52:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:52:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:52:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:52:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:52:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:52:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:52:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:52:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:52:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:52:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:52:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:52:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:52:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:52:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:52:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:52:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:52:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:52:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:52:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:52:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:52:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:52:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:52:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:52:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:52:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:52:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:52:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:52:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:52:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:52:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:52:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:52:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:52:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:52:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:52:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:52:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:52:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:52:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:52:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:52:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:52:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:52:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:52:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:52:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:52:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:52:12,568 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:52:12,569 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:52:12,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:52:12 BoogieIcfgContainer [2020-07-07 10:52:12,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:52:12,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:52:12,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:52:12,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:52:12,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:52:10" (1/3) ... [2020-07-07 10:52:12,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25bc3442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:52:12, skipping insertion in model container [2020-07-07 10:52:12,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:11" (2/3) ... [2020-07-07 10:52:12,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25bc3442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:52:12, skipping insertion in model container [2020-07-07 10:52:12,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:52:12" (3/3) ... [2020-07-07 10:52:12,588 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-07-07 10:52:12,599 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:52:12,609 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:52:12,624 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:52:12,645 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:52:12,646 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:52:12,646 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:52:12,646 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:52:12,646 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:52:12,647 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:52:12,647 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:52:12,647 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:52:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2020-07-07 10:52:12,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:52:12,681 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:12,682 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:12,683 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:12,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:12,689 INFO L82 PathProgramCache]: Analyzing trace with hash -229262266, now seen corresponding path program 1 times [2020-07-07 10:52:12,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:12,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964032356] [2020-07-07 10:52:12,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:13,320 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:13,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:13,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964032356] [2020-07-07 10:52:13,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:13,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:52:13,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246128728] [2020-07-07 10:52:13,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:52:13,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:13,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:52:13,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:52:13,516 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 4 states. [2020-07-07 10:52:14,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:14,750 INFO L93 Difference]: Finished difference Result 345 states and 435 transitions. [2020-07-07 10:52:14,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:52:14,752 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:52:14,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:14,768 INFO L225 Difference]: With dead ends: 345 [2020-07-07 10:52:14,768 INFO L226 Difference]: Without dead ends: 189 [2020-07-07 10:52:14,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:52:14,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-07-07 10:52:14,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 157. [2020-07-07 10:52:14,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-07 10:52:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2020-07-07 10:52:14,868 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2020-07-07 10:52:14,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:14,868 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2020-07-07 10:52:14,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:52:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2020-07-07 10:52:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:52:14,872 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:14,873 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:14,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:52:14,873 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:14,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:14,874 INFO L82 PathProgramCache]: Analyzing trace with hash -751857026, now seen corresponding path program 1 times [2020-07-07 10:52:14,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:14,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133964894] [2020-07-07 10:52:14,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,254 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:15,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:15,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133964894] [2020-07-07 10:52:15,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:15,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:52:15,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170212881] [2020-07-07 10:52:15,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:52:15,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:15,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:52:15,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:52:15,348 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 5 states. [2020-07-07 10:52:15,844 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:16,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:16,830 INFO L93 Difference]: Finished difference Result 286 states and 343 transitions. [2020-07-07 10:52:16,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:52:16,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:52:16,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:16,835 INFO L225 Difference]: With dead ends: 286 [2020-07-07 10:52:16,835 INFO L226 Difference]: Without dead ends: 179 [2020-07-07 10:52:16,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:52:16,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-07-07 10:52:16,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 148. [2020-07-07 10:52:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-07 10:52:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 170 transitions. [2020-07-07 10:52:16,897 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 170 transitions. Word has length 60 [2020-07-07 10:52:16,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:16,897 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 170 transitions. [2020-07-07 10:52:16,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:52:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions. [2020-07-07 10:52:16,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:52:16,900 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:16,900 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:16,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:52:16,901 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:16,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:16,901 INFO L82 PathProgramCache]: Analyzing trace with hash -8533593, now seen corresponding path program 1 times [2020-07-07 10:52:16,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:16,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635017195] [2020-07-07 10:52:16,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,199 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:17,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635017195] [2020-07-07 10:52:17,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:17,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:52:17,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815006539] [2020-07-07 10:52:17,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:52:17,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:17,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:52:17,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:52:17,288 INFO L87 Difference]: Start difference. First operand 148 states and 170 transitions. Second operand 9 states. [2020-07-07 10:52:17,674 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:17,984 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:18,227 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:18,457 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:19,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:19,741 INFO L93 Difference]: Finished difference Result 299 states and 362 transitions. [2020-07-07 10:52:19,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:52:19,744 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-07 10:52:19,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:19,748 INFO L225 Difference]: With dead ends: 299 [2020-07-07 10:52:19,748 INFO L226 Difference]: Without dead ends: 179 [2020-07-07 10:52:19,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:52:19,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-07-07 10:52:19,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 148. [2020-07-07 10:52:19,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-07 10:52:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 169 transitions. [2020-07-07 10:52:19,790 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 169 transitions. Word has length 65 [2020-07-07 10:52:19,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:19,790 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 169 transitions. [2020-07-07 10:52:19,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:52:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 169 transitions. [2020-07-07 10:52:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-07 10:52:19,793 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:19,794 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:19,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:52:19,794 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:19,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:19,795 INFO L82 PathProgramCache]: Analyzing trace with hash -2138732759, now seen corresponding path program 1 times [2020-07-07 10:52:19,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:19,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301073674] [2020-07-07 10:52:19,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,101 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:20,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301073674] [2020-07-07 10:52:20,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:20,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:52:20,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66600180] [2020-07-07 10:52:20,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:52:20,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:20,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:52:20,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:52:20,219 INFO L87 Difference]: Start difference. First operand 148 states and 169 transitions. Second operand 7 states. [2020-07-07 10:52:20,641 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:22,079 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:22,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:22,634 INFO L93 Difference]: Finished difference Result 403 states and 496 transitions. [2020-07-07 10:52:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:52:22,635 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-07 10:52:22,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:22,639 INFO L225 Difference]: With dead ends: 403 [2020-07-07 10:52:22,640 INFO L226 Difference]: Without dead ends: 283 [2020-07-07 10:52:22,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:52:22,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-07-07 10:52:22,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 237. [2020-07-07 10:52:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-07-07 10:52:22,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 270 transitions. [2020-07-07 10:52:22,696 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 270 transitions. Word has length 78 [2020-07-07 10:52:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:22,697 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 270 transitions. [2020-07-07 10:52:22,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:52:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 270 transitions. [2020-07-07 10:52:22,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:52:22,700 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:22,700 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:22,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:52:22,701 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:22,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:22,701 INFO L82 PathProgramCache]: Analyzing trace with hash 2116914143, now seen corresponding path program 1 times [2020-07-07 10:52:22,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:22,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489874176] [2020-07-07 10:52:22,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,001 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:23,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:52:23,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489874176] [2020-07-07 10:52:23,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:23,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:52:23,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120131631] [2020-07-07 10:52:23,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:52:23,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:23,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:52:23,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:52:23,117 INFO L87 Difference]: Start difference. First operand 237 states and 270 transitions. Second operand 9 states. [2020-07-07 10:52:23,545 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:24,188 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:24,985 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:25,256 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:25,702 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:25,927 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:26,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:26,488 INFO L93 Difference]: Finished difference Result 491 states and 592 transitions. [2020-07-07 10:52:26,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:52:26,489 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-07 10:52:26,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:26,493 INFO L225 Difference]: With dead ends: 491 [2020-07-07 10:52:26,494 INFO L226 Difference]: Without dead ends: 282 [2020-07-07 10:52:26,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:52:26,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-07 10:52:26,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 236. [2020-07-07 10:52:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-07 10:52:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 267 transitions. [2020-07-07 10:52:26,555 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 267 transitions. Word has length 92 [2020-07-07 10:52:26,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:26,555 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 267 transitions. [2020-07-07 10:52:26,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:52:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 267 transitions. [2020-07-07 10:52:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-07 10:52:26,558 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:26,558 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:26,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:52:26,558 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:26,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:26,559 INFO L82 PathProgramCache]: Analyzing trace with hash 660673946, now seen corresponding path program 1 times [2020-07-07 10:52:26,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:26,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429065408] [2020-07-07 10:52:26,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,873 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:27,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:27,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429065408] [2020-07-07 10:52:27,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:27,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:52:27,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114798123] [2020-07-07 10:52:27,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:52:27,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:27,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:52:27,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:52:27,016 INFO L87 Difference]: Start difference. First operand 236 states and 267 transitions. Second operand 9 states. [2020-07-07 10:52:28,089 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:28,323 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:28,557 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:28,808 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:29,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:29,683 INFO L93 Difference]: Finished difference Result 491 states and 595 transitions. [2020-07-07 10:52:29,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:52:29,683 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-07-07 10:52:29,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:29,689 INFO L225 Difference]: With dead ends: 491 [2020-07-07 10:52:29,689 INFO L226 Difference]: Without dead ends: 283 [2020-07-07 10:52:29,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:52:29,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-07-07 10:52:29,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 241. [2020-07-07 10:52:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-07-07 10:52:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 272 transitions. [2020-07-07 10:52:29,727 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 272 transitions. Word has length 108 [2020-07-07 10:52:29,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:29,727 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 272 transitions. [2020-07-07 10:52:29,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:52:29,727 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 272 transitions. [2020-07-07 10:52:29,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-07 10:52:29,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:29,729 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:29,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:52:29,729 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:29,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:29,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1706020648, now seen corresponding path program 1 times [2020-07-07 10:52:29,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:29,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008818721] [2020-07-07 10:52:29,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,984 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:30,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008818721] [2020-07-07 10:52:30,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:30,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:52:30,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854013309] [2020-07-07 10:52:30,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:52:30,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:30,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:52:30,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:52:30,144 INFO L87 Difference]: Start difference. First operand 241 states and 272 transitions. Second operand 11 states. [2020-07-07 10:52:30,770 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:31,003 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:31,222 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:31,911 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:32,151 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:32,402 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:33,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:33,248 INFO L93 Difference]: Finished difference Result 501 states and 606 transitions. [2020-07-07 10:52:33,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:52:33,248 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-07-07 10:52:33,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:33,250 INFO L225 Difference]: With dead ends: 501 [2020-07-07 10:52:33,250 INFO L226 Difference]: Without dead ends: 288 [2020-07-07 10:52:33,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:52:33,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-07-07 10:52:33,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 245. [2020-07-07 10:52:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-07-07 10:52:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 276 transitions. [2020-07-07 10:52:33,294 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 276 transitions. Word has length 108 [2020-07-07 10:52:33,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:33,294 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 276 transitions. [2020-07-07 10:52:33,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:52:33,294 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 276 transitions. [2020-07-07 10:52:33,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-07 10:52:33,296 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:33,296 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:33,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:52:33,301 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:33,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:33,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1946560777, now seen corresponding path program 1 times [2020-07-07 10:52:33,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:33,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30751140] [2020-07-07 10:52:33,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,573 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:33,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30751140] [2020-07-07 10:52:33,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:33,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:52:33,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182466107] [2020-07-07 10:52:33,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:52:33,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:33,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:52:33,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:52:33,711 INFO L87 Difference]: Start difference. First operand 245 states and 276 transitions. Second operand 7 states. [2020-07-07 10:52:34,218 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:35,032 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:37,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:37,041 INFO L93 Difference]: Finished difference Result 683 states and 844 transitions. [2020-07-07 10:52:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:52:37,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2020-07-07 10:52:37,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:37,046 INFO L225 Difference]: With dead ends: 683 [2020-07-07 10:52:37,046 INFO L226 Difference]: Without dead ends: 466 [2020-07-07 10:52:37,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:52:37,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-07-07 10:52:37,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 424. [2020-07-07 10:52:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-07-07 10:52:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 492 transitions. [2020-07-07 10:52:37,118 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 492 transitions. Word has length 108 [2020-07-07 10:52:37,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:37,118 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 492 transitions. [2020-07-07 10:52:37,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:52:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 492 transitions. [2020-07-07 10:52:37,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-07 10:52:37,121 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:37,121 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:37,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:52:37,121 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:37,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:37,122 INFO L82 PathProgramCache]: Analyzing trace with hash 79738257, now seen corresponding path program 1 times [2020-07-07 10:52:37,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:37,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242154151] [2020-07-07 10:52:37,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,479 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:37,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242154151] [2020-07-07 10:52:37,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:37,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:52:37,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949159206] [2020-07-07 10:52:37,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:52:37,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:37,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:52:37,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:52:37,688 INFO L87 Difference]: Start difference. First operand 424 states and 492 transitions. Second operand 12 states. [2020-07-07 10:52:38,334 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:38,979 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:40,022 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:40,336 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:40,610 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:40,894 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:41,177 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:42,601 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:42,877 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:43,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:43,757 INFO L93 Difference]: Finished difference Result 1180 states and 1453 transitions. [2020-07-07 10:52:43,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:52:43,759 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-07-07 10:52:43,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:43,763 INFO L225 Difference]: With dead ends: 1180 [2020-07-07 10:52:43,764 INFO L226 Difference]: Without dead ends: 858 [2020-07-07 10:52:43,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:52:43,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-07-07 10:52:43,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 736. [2020-07-07 10:52:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 736 states. [2020-07-07 10:52:43,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 846 transitions. [2020-07-07 10:52:43,944 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 846 transitions. Word has length 112 [2020-07-07 10:52:43,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:43,945 INFO L479 AbstractCegarLoop]: Abstraction has 736 states and 846 transitions. [2020-07-07 10:52:43,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:52:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 846 transitions. [2020-07-07 10:52:43,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-07 10:52:43,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:43,949 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:43,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:52:43,950 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:43,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:43,950 INFO L82 PathProgramCache]: Analyzing trace with hash -992810877, now seen corresponding path program 1 times [2020-07-07 10:52:43,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:43,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078186821] [2020-07-07 10:52:43,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,289 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-07 10:52:44,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078186821] [2020-07-07 10:52:44,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118580034] [2020-07-07 10:52:44,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:52:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,906 INFO L264 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:52:44,930 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:52:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:52:45,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:52:45,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:52:45,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888689047] [2020-07-07 10:52:45,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:52:45,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:45,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:52:45,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:52:45,134 INFO L87 Difference]: Start difference. First operand 736 states and 846 transitions. Second operand 20 states. [2020-07-07 10:52:45,691 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:46,076 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:52:46,368 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:52:46,643 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:52:47,468 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 10:52:47,772 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:52:48,227 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-07 10:52:49,055 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 10:52:49,748 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:50,310 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:52:50,795 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:51,058 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:51,388 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:52,003 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:52,449 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:52:52,846 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:53,574 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:52:53,861 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:54,459 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:54,944 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:55,239 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:55,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:55,564 INFO L93 Difference]: Finished difference Result 1637 states and 1941 transitions. [2020-07-07 10:52:55,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-07 10:52:55,565 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 174 [2020-07-07 10:52:55,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:55,571 INFO L225 Difference]: With dead ends: 1637 [2020-07-07 10:52:55,572 INFO L226 Difference]: Without dead ends: 999 [2020-07-07 10:52:55,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=782, Invalid=3250, Unknown=0, NotChecked=0, Total=4032 [2020-07-07 10:52:55,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-07-07 10:52:55,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 886. [2020-07-07 10:52:55,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-07-07 10:52:55,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1025 transitions. [2020-07-07 10:52:55,751 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1025 transitions. Word has length 174 [2020-07-07 10:52:55,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:55,752 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1025 transitions. [2020-07-07 10:52:55,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:52:55,753 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1025 transitions. [2020-07-07 10:52:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-07-07 10:52:55,761 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:55,761 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:52:55,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:52:55,975 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:55,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:55,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1611643875, now seen corresponding path program 1 times [2020-07-07 10:52:55,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:55,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625606056] [2020-07-07 10:52:55,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,415 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:57,039 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 84 proven. 29 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2020-07-07 10:52:57,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625606056] [2020-07-07 10:52:57,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207203111] [2020-07-07 10:52:57,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:52:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:57,279 INFO L264 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:52:57,291 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:52:57,543 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 220 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-07-07 10:52:57,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:52:57,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-07 10:52:57,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651562776] [2020-07-07 10:52:57,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 10:52:57,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:57,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 10:52:57,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:52:57,547 INFO L87 Difference]: Start difference. First operand 886 states and 1025 transitions. Second operand 24 states. [2020-07-07 10:52:58,114 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:58,939 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:59,735 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:00,440 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:00,971 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:53:01,440 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:53:01,684 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:01,989 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:02,254 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:06,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:06,019 INFO L93 Difference]: Finished difference Result 2119 states and 2766 transitions. [2020-07-07 10:53:06,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 10:53:06,020 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 311 [2020-07-07 10:53:06,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:06,029 INFO L225 Difference]: With dead ends: 2119 [2020-07-07 10:53:06,029 INFO L226 Difference]: Without dead ends: 1284 [2020-07-07 10:53:06,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 422 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-07 10:53:06,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2020-07-07 10:53:06,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 894. [2020-07-07 10:53:06,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-07-07 10:53:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1020 transitions. [2020-07-07 10:53:06,293 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1020 transitions. Word has length 311 [2020-07-07 10:53:06,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:06,294 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1020 transitions. [2020-07-07 10:53:06,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 10:53:06,294 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1020 transitions. [2020-07-07 10:53:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-07-07 10:53:06,305 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:06,305 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:06,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:06,519 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:06,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:06,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1877558929, now seen corresponding path program 1 times [2020-07-07 10:53:06,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:06,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2410144] [2020-07-07 10:53:06,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,820 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 94 proven. 42 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-07-07 10:53:07,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2410144] [2020-07-07 10:53:07,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110625128] [2020-07-07 10:53:07,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:07,753 INFO L264 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-07 10:53:07,776 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 255 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-07 10:53:08,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:08,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-07 10:53:08,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517074524] [2020-07-07 10:53:08,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:53:08,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:08,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:53:08,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:53:08,104 INFO L87 Difference]: Start difference. First operand 894 states and 1020 transitions. Second operand 22 states. [2020-07-07 10:53:09,160 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:53:09,745 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:53:10,263 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:53:10,763 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:53:11,807 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:53:12,946 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:53:13,416 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:53:13,916 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:14,667 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:15,532 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:15,790 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:16,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:16,618 INFO L93 Difference]: Finished difference Result 1736 states and 2042 transitions. [2020-07-07 10:53:16,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-07 10:53:16,619 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 323 [2020-07-07 10:53:16,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:16,626 INFO L225 Difference]: With dead ends: 1736 [2020-07-07 10:53:16,626 INFO L226 Difference]: Without dead ends: 963 [2020-07-07 10:53:16,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-07 10:53:16,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-07-07 10:53:16,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 894. [2020-07-07 10:53:16,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-07-07 10:53:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1017 transitions. [2020-07-07 10:53:16,843 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1017 transitions. Word has length 323 [2020-07-07 10:53:16,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:16,844 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1017 transitions. [2020-07-07 10:53:16,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:53:16,845 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1017 transitions. [2020-07-07 10:53:16,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-07-07 10:53:16,849 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:16,850 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:17,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:53:17,066 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:17,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:17,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1286733802, now seen corresponding path program 1 times [2020-07-07 10:53:17,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:17,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748591190] [2020-07-07 10:53:17,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,443 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-07-07 10:53:17,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748591190] [2020-07-07 10:53:17,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419973727] [2020-07-07 10:53:17,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,055 INFO L264 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:53:18,063 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:18,254 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 181 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-07-07 10:53:18,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:18,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-07 10:53:18,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036875025] [2020-07-07 10:53:18,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 10:53:18,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:18,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 10:53:18,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:53:18,257 INFO L87 Difference]: Start difference. First operand 894 states and 1017 transitions. Second operand 17 states. [2020-07-07 10:53:18,780 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:19,507 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:21,331 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:21,595 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:21,863 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:22,119 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:22,810 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:23,116 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:23,377 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:23,636 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:23,886 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:25,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:25,744 INFO L93 Difference]: Finished difference Result 2216 states and 2740 transitions. [2020-07-07 10:53:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-07 10:53:25,745 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 324 [2020-07-07 10:53:25,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:25,754 INFO L225 Difference]: With dead ends: 2216 [2020-07-07 10:53:25,754 INFO L226 Difference]: Without dead ends: 1443 [2020-07-07 10:53:25,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 440 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=709, Invalid=2047, Unknown=0, NotChecked=0, Total=2756 [2020-07-07 10:53:25,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2020-07-07 10:53:26,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1158. [2020-07-07 10:53:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2020-07-07 10:53:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1319 transitions. [2020-07-07 10:53:26,049 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1319 transitions. Word has length 324 [2020-07-07 10:53:26,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:26,050 INFO L479 AbstractCegarLoop]: Abstraction has 1158 states and 1319 transitions. [2020-07-07 10:53:26,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 10:53:26,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1319 transitions. [2020-07-07 10:53:26,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-07-07 10:53:26,057 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:26,057 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-07 10:53:26,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:26,273 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:26,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:26,273 INFO L82 PathProgramCache]: Analyzing trace with hash 861758707, now seen corresponding path program 1 times [2020-07-07 10:53:26,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:26,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508380890] [2020-07-07 10:53:26,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,637 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 176 proven. 24 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2020-07-07 10:53:27,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508380890] [2020-07-07 10:53:27,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343618865] [2020-07-07 10:53:27,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:53:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:27,467 INFO L264 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-07 10:53:27,476 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:27,843 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 231 proven. 51 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2020-07-07 10:53:27,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:27,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12] total 27 [2020-07-07 10:53:27,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140927702] [2020-07-07 10:53:27,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-07 10:53:27,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:27,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-07 10:53:27,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:53:27,846 INFO L87 Difference]: Start difference. First operand 1158 states and 1319 transitions. Second operand 27 states. [2020-07-07 10:53:28,633 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:53:29,526 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:31,116 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:31,440 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:31,714 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:33,012 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-07 10:53:34,133 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-07-07 10:53:34,688 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 193 [2020-07-07 10:53:35,190 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-07-07 10:53:35,665 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-07-07 10:53:36,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:36,759 INFO L93 Difference]: Finished difference Result 1299 states and 1508 transitions. [2020-07-07 10:53:36,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-07 10:53:36,760 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 393 [2020-07-07 10:53:36,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:36,761 INFO L225 Difference]: With dead ends: 1299 [2020-07-07 10:53:36,762 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:53:36,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 527 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=623, Invalid=2683, Unknown=0, NotChecked=0, Total=3306 [2020-07-07 10:53:36,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:53:36,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:53:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:53:36,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:53:36,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 393 [2020-07-07 10:53:36,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:36,768 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:53:36,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-07 10:53:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:53:36,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:53:36,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-07 10:53:36,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:53:37,117 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-07-07 10:53:37,612 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 239 [2020-07-07 10:53:38,819 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 312 [2020-07-07 10:53:40,059 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-07-07 10:53:41,774 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 319 [2020-07-07 10:53:43,758 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 326 [2020-07-07 10:53:44,923 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 326 [2020-07-07 10:53:45,220 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 265 [2020-07-07 10:53:46,562 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 176 DAG size of output: 32 [2020-07-07 10:53:46,737 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-07 10:53:47,143 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-07 10:53:47,769 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2020-07-07 10:53:47,911 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-07 10:53:48,817 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 40 [2020-07-07 10:53:48,964 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-07-07 10:53:49,153 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:53:49,491 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2020-07-07 10:53:49,700 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:53:49,842 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-07 10:53:50,879 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 207 DAG size of output: 35 [2020-07-07 10:53:51,089 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:52,336 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 220 DAG size of output: 47 [2020-07-07 10:53:52,483 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-07 10:53:52,988 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 52 [2020-07-07 10:53:53,228 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2020-07-07 10:53:53,440 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-07 10:53:54,470 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 206 DAG size of output: 35 [2020-07-07 10:53:54,670 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-07 10:53:55,720 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 235 DAG size of output: 37 [2020-07-07 10:53:55,938 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-07 10:53:57,374 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 182 DAG size of output: 36 [2020-07-07 10:53:58,388 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-07 10:53:59,535 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 207 DAG size of output: 34 [2020-07-07 10:53:59,753 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-07 10:54:00,959 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 176 DAG size of output: 32 [2020-07-07 10:54:01,908 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-07 10:54:02,595 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 21 [2020-07-07 10:54:02,791 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:54:03,444 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 34 [2020-07-07 10:54:03,669 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:54:04,770 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 170 DAG size of output: 33 [2020-07-07 10:54:04,967 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:54:05,494 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 30 [2020-07-07 10:54:05,673 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-07 10:54:06,796 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 242 DAG size of output: 37 [2020-07-07 10:54:06,933 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-07 10:54:07,121 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-07 10:54:07,299 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-07 10:54:08,286 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 33 [2020-07-07 10:54:08,470 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-07 10:54:08,671 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:54:09,339 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2020-07-07 10:54:09,533 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-07 10:54:10,728 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 242 DAG size of output: 37 [2020-07-07 10:54:11,259 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 56 [2020-07-07 10:54:12,019 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 38 [2020-07-07 10:54:12,453 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-07-07 10:54:12,658 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-07 10:54:12,844 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:54:13,141 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 31 [2020-07-07 10:54:13,146 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-07-07 10:54:13,146 INFO L268 CegarLoopResult]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2020-07-07 10:54:13,147 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-07-07 10:54:13,147 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 300) no Hoare annotation was computed. [2020-07-07 10:54:13,147 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 254 309) no Hoare annotation was computed. [2020-07-07 10:54:13,147 INFO L268 CegarLoopResult]: For program point L301(lines 278 302) no Hoare annotation was computed. [2020-07-07 10:54:13,147 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 254 309) no Hoare annotation was computed. [2020-07-07 10:54:13,147 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 254 309) no Hoare annotation was computed. [2020-07-07 10:54:13,147 INFO L268 CegarLoopResult]: For program point L342(lines 342 346) no Hoare annotation was computed. [2020-07-07 10:54:13,147 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 310 369) no Hoare annotation was computed. [2020-07-07 10:54:13,148 INFO L268 CegarLoopResult]: For program point L342-1(lines 342 346) no Hoare annotation was computed. [2020-07-07 10:54:13,148 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-07-07 10:54:13,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 310 369) no Hoare annotation was computed. [2020-07-07 10:54:13,148 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 361) no Hoare annotation was computed. [2020-07-07 10:54:13,148 INFO L268 CegarLoopResult]: For program point L362(lines 335 363) no Hoare annotation was computed. [2020-07-07 10:54:13,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 310 369) no Hoare annotation was computed. [2020-07-07 10:54:13,148 INFO L268 CegarLoopResult]: For program point L355(line 355) no Hoare annotation was computed. [2020-07-07 10:54:13,148 INFO L268 CegarLoopResult]: For program point L355-1(line 355) no Hoare annotation was computed. [2020-07-07 10:54:13,149 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2020-07-07 10:54:13,149 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2020-07-07 10:54:13,149 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2020-07-07 10:54:13,149 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2020-07-07 10:54:13,149 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2020-07-07 10:54:13,150 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 154 161) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:13,150 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 154 161) no Hoare annotation was computed. [2020-07-07 10:54:13,150 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 154 161) no Hoare annotation was computed. [2020-07-07 10:54:13,150 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 162 171) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 0 ~waterLevel~0)) .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse4 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse4 .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3))) [2020-07-07 10:54:13,150 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 162 171) no Hoare annotation was computed. [2020-07-07 10:54:13,150 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-07-07 10:54:13,150 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 162 171) no Hoare annotation was computed. [2020-07-07 10:54:13,151 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse5 .cse4 (not (<= ~waterLevel~0 0)) .cse3) (or .cse6 .cse5 .cse4 .cse3) (or .cse6 .cse2 .cse3))) [2020-07-07 10:54:13,151 INFO L268 CegarLoopResult]: For program point L185(lines 185 191) no Hoare annotation was computed. [2020-07-07 10:54:13,151 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-07-07 10:54:13,151 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (<= 0 ~waterLevel~0)) .cse5 .cse6 (not (<= ~waterLevel~0 0)) .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse7 .cse2 .cse3) (or .cse4 .cse7 .cse5 .cse6 .cse3))) [2020-07-07 10:54:13,152 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-07 10:54:13,152 INFO L268 CegarLoopResult]: For program point L180(lines 180 197) no Hoare annotation was computed. [2020-07-07 10:54:13,152 INFO L268 CegarLoopResult]: For program point L180-1(lines 172 200) no Hoare annotation was computed. [2020-07-07 10:54:13,152 INFO L271 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: true [2020-07-07 10:54:13,152 INFO L268 CegarLoopResult]: For program point L178-1(line 178) no Hoare annotation was computed. [2020-07-07 10:54:13,152 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 172 200) the Hoare annotation is: true [2020-07-07 10:54:13,152 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 172 200) no Hoare annotation was computed. [2020-07-07 10:54:13,152 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,153 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2020-07-07 10:54:13,153 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,153 INFO L264 CegarLoopResult]: At program point L659-1(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,153 INFO L268 CegarLoopResult]: For program point L657(lines 657 664) no Hoare annotation was computed. [2020-07-07 10:54:13,153 INFO L268 CegarLoopResult]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2020-07-07 10:54:13,153 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-07-07 10:54:13,154 INFO L264 CegarLoopResult]: At program point L654(line 654) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,154 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,154 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2020-07-07 10:54:13,154 INFO L264 CegarLoopResult]: At program point L653-1(line 653) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,154 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-07-07 10:54:13,154 INFO L268 CegarLoopResult]: For program point L608(line 608) no Hoare annotation was computed. [2020-07-07 10:54:13,154 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 601 624) no Hoare annotation was computed. [2020-07-07 10:54:13,155 INFO L268 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-07-07 10:54:13,155 INFO L268 CegarLoopResult]: For program point L606(line 606) no Hoare annotation was computed. [2020-07-07 10:54:13,155 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 601 624) no Hoare annotation was computed. [2020-07-07 10:54:13,155 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 601 624) no Hoare annotation was computed. [2020-07-07 10:54:13,155 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-07-07 10:54:13,155 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-07-07 10:54:13,155 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-07 10:54:13,155 INFO L268 CegarLoopResult]: For program point L616(line 616) no Hoare annotation was computed. [2020-07-07 10:54:13,156 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-07 10:54:13,156 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-07-07 10:54:13,156 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-07 10:54:13,156 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-07 10:54:13,156 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-07 10:54:13,156 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-07-07 10:54:13,156 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2020-07-07 10:54:13,156 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2020-07-07 10:54:13,156 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2020-07-07 10:54:13,157 INFO L268 CegarLoopResult]: For program point L957(lines 957 961) no Hoare annotation was computed. [2020-07-07 10:54:13,157 INFO L271 CegarLoopResult]: At program point L955(line 955) the Hoare annotation is: true [2020-07-07 10:54:13,157 INFO L268 CegarLoopResult]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2020-07-07 10:54:13,157 INFO L268 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-07-07 10:54:13,157 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 948 966) the Hoare annotation is: true [2020-07-07 10:54:13,157 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 948 966) no Hoare annotation was computed. [2020-07-07 10:54:13,157 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 948 966) no Hoare annotation was computed. [2020-07-07 10:54:13,157 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-07 10:54:13,158 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-07 10:54:13,158 INFO L268 CegarLoopResult]: For program point L912(lines 912 920) no Hoare annotation was computed. [2020-07-07 10:54:13,158 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 893 928) no Hoare annotation was computed. [2020-07-07 10:54:13,158 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2020-07-07 10:54:13,158 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 893 928) no Hoare annotation was computed. [2020-07-07 10:54:13,158 INFO L268 CegarLoopResult]: For program point L900(lines 900 908) no Hoare annotation was computed. [2020-07-07 10:54:13,158 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 893 928) no Hoare annotation was computed. [2020-07-07 10:54:13,158 INFO L268 CegarLoopResult]: For program point L900-2(lines 900 908) no Hoare annotation was computed. [2020-07-07 10:54:13,158 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2020-07-07 10:54:13,159 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2020-07-07 10:54:13,159 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 208 253) no Hoare annotation was computed. [2020-07-07 10:54:13,159 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 208 253) no Hoare annotation was computed. [2020-07-07 10:54:13,159 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 208 253) no Hoare annotation was computed. [2020-07-07 10:54:13,159 INFO L268 CegarLoopResult]: For program point L541(lines 541 548) no Hoare annotation was computed. [2020-07-07 10:54:13,159 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 521 566) no Hoare annotation was computed. [2020-07-07 10:54:13,159 INFO L268 CegarLoopResult]: For program point L535(lines 535 555) no Hoare annotation was computed. [2020-07-07 10:54:13,159 INFO L268 CegarLoopResult]: For program point L535-1(lines 535 555) no Hoare annotation was computed. [2020-07-07 10:54:13,159 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 521 566) no Hoare annotation was computed. [2020-07-07 10:54:13,160 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 521 566) no Hoare annotation was computed. [2020-07-07 10:54:13,160 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 633 643) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,160 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,160 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 633 643) no Hoare annotation was computed. [2020-07-07 10:54:13,160 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 633 643) no Hoare annotation was computed. [2020-07-07 10:54:13,160 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2020-07-07 10:54:13,160 INFO L271 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: true [2020-07-07 10:54:13,160 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-07-07 10:54:13,161 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2020-07-07 10:54:13,161 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2020-07-07 10:54:13,161 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:13,161 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2020-07-07 10:54:13,161 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2020-07-07 10:54:13,161 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-07 10:54:13,161 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-07 10:54:13,161 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-07 10:54:13,161 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-07 10:54:13,162 INFO L264 CegarLoopResult]: At program point L833(line 833) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:54:13,162 INFO L268 CegarLoopResult]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2020-07-07 10:54:13,162 INFO L264 CegarLoopResult]: At program point L828(line 828) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~7))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse5 .cse2 .cse3 .cse4 .cse1) (or .cse5 .cse0 .cse1))) [2020-07-07 10:54:13,162 INFO L264 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1))) [2020-07-07 10:54:13,162 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 814 838) no Hoare annotation was computed. [2020-07-07 10:54:13,162 INFO L268 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2020-07-07 10:54:13,163 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse4 .cse3 .cse5 (not (<= ~waterLevel~0 0)) .cse1))) [2020-07-07 10:54:13,163 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 814 838) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~waterLevel~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse2) (or (not (<= 0 ~waterLevel~0)) .cse5 .cse4 .cse6 (not (<= ~waterLevel~0 0)) .cse2))) [2020-07-07 10:54:13,163 INFO L268 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-07-07 10:54:13,163 INFO L268 CegarLoopResult]: For program point L818(lines 818 835) no Hoare annotation was computed. [2020-07-07 10:54:13,163 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2020-07-07 10:54:13,163 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2020-07-07 10:54:13,163 INFO L264 CegarLoopResult]: At program point testENTRY(lines 681 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,164 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-07-07 10:54:13,164 INFO L264 CegarLoopResult]: At program point L729-2(lines 721 734) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) .cse3 .cse2 .cse4) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse3 .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse4))) [2020-07-07 10:54:13,164 INFO L268 CegarLoopResult]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2020-07-07 10:54:13,164 INFO L268 CegarLoopResult]: For program point L692(lines 691 738) no Hoare annotation was computed. [2020-07-07 10:54:13,164 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) .cse3 .cse2 .cse4) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse3 .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse4))) [2020-07-07 10:54:13,164 INFO L268 CegarLoopResult]: For program point L721(lines 721 734) no Hoare annotation was computed. [2020-07-07 10:54:13,165 INFO L264 CegarLoopResult]: At program point L713(line 713) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) .cse3 .cse2 .cse4) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse3 .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse4))) [2020-07-07 10:54:13,165 INFO L268 CegarLoopResult]: For program point L711(lines 711 717) no Hoare annotation was computed. [2020-07-07 10:54:13,165 INFO L268 CegarLoopResult]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2020-07-07 10:54:13,165 INFO L264 CegarLoopResult]: At program point L736(lines 691 738) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse4 .cse3) (and .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse4) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:54:13,165 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and .cse3 .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 .cse4) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse1 .cse5 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:54:13,165 INFO L268 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2020-07-07 10:54:13,166 INFO L268 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2020-07-07 10:54:13,166 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-07 10:54:13,166 INFO L264 CegarLoopResult]: At program point L739(lines 690 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,166 INFO L268 CegarLoopResult]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2020-07-07 10:54:13,166 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 475 520) no Hoare annotation was computed. [2020-07-07 10:54:13,166 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 475 520) no Hoare annotation was computed. [2020-07-07 10:54:13,166 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 475 520) no Hoare annotation was computed. [2020-07-07 10:54:13,166 INFO L268 CegarLoopResult]: For program point L495(lines 495 502) no Hoare annotation was computed. [2020-07-07 10:54:13,167 INFO L268 CegarLoopResult]: For program point L489(lines 489 509) no Hoare annotation was computed. [2020-07-07 10:54:13,167 INFO L268 CegarLoopResult]: For program point L489-1(lines 489 509) no Hoare annotation was computed. [2020-07-07 10:54:13,167 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 839 846) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:13,167 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 839 846) no Hoare annotation was computed. [2020-07-07 10:54:13,167 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 839 846) no Hoare annotation was computed. [2020-07-07 10:54:13,167 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-07 10:54:13,167 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-07 10:54:13,167 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-07 10:54:13,167 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-07 10:54:13,167 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-07 10:54:13,168 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-07 10:54:13,168 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-07 10:54:13,168 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-07 10:54:13,168 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 372 474) no Hoare annotation was computed. [2020-07-07 10:54:13,168 INFO L268 CegarLoopResult]: For program point L442(lines 420 443) no Hoare annotation was computed. [2020-07-07 10:54:13,168 INFO L268 CegarLoopResult]: For program point L401(lines 401 417) no Hoare annotation was computed. [2020-07-07 10:54:13,168 INFO L268 CegarLoopResult]: For program point L461(lines 461 468) no Hoare annotation was computed. [2020-07-07 10:54:13,168 INFO L268 CegarLoopResult]: For program point L422(lines 421 441) no Hoare annotation was computed. [2020-07-07 10:54:13,168 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 372 474) no Hoare annotation was computed. [2020-07-07 10:54:13,169 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-07 10:54:13,169 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-07 10:54:13,169 INFO L268 CegarLoopResult]: For program point L418(lines 418 459) no Hoare annotation was computed. [2020-07-07 10:54:13,169 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-07 10:54:13,169 INFO L268 CegarLoopResult]: For program point L437-1(line 437) no Hoare annotation was computed. [2020-07-07 10:54:13,169 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 372 474) no Hoare annotation was computed. [2020-07-07 10:54:13,169 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-07-07 10:54:13,169 INFO L268 CegarLoopResult]: For program point L460(lines 460 471) no Hoare annotation was computed. [2020-07-07 10:54:13,169 INFO L268 CegarLoopResult]: For program point L423(lines 423 427) no Hoare annotation was computed. [2020-07-07 10:54:13,170 INFO L268 CegarLoopResult]: For program point L421-2(lines 421 441) no Hoare annotation was computed. [2020-07-07 10:54:13,170 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2020-07-07 10:54:13,170 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2020-07-07 10:54:13,170 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2020-07-07 10:54:13,170 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,170 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-07 10:54:13,171 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,171 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 848 864) no Hoare annotation was computed. [2020-07-07 10:54:13,171 INFO L264 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:13,171 INFO L268 CegarLoopResult]: For program point L859-1(lines 848 864) no Hoare annotation was computed. [2020-07-07 10:54:13,171 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 848 864) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:13,171 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-07-07 10:54:13,171 INFO L264 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:13,171 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-07-07 10:54:13,172 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-07 10:54:13,172 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-07 10:54:13,172 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-07 10:54:13,172 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2020-07-07 10:54:13,172 INFO L268 CegarLoopResult]: For program point L938(lines 938 942) no Hoare annotation was computed. [2020-07-07 10:54:13,172 INFO L271 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: true [2020-07-07 10:54:13,172 INFO L268 CegarLoopResult]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2020-07-07 10:54:13,172 INFO L268 CegarLoopResult]: For program point L936-1(line 936) no Hoare annotation was computed. [2020-07-07 10:54:13,172 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2020-07-07 10:54:13,173 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2020-07-07 10:54:13,173 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-07 10:54:13,173 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 0 ~waterLevel~0)) .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse1 (not (= 2 ~waterLevel~0)) .cse4 .cse3) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse4 .cse3))) [2020-07-07 10:54:13,173 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-07 10:54:13,173 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,173 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,173 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,174 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-07 10:54:13,174 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-07 10:54:13,174 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-07 10:54:13,174 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) (and .cse7 .cse8 .cse9) .cse4 (not (<= 0 |old(~waterLevel~0)|))) (or .cse5 (and .cse7 .cse8 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6 .cse3 .cse4) (or (and .cse0 .cse9) (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse4) (or .cse6 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and .cse7 .cse8 .cse1) .cse4))) [2020-07-07 10:54:13,174 INFO L264 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 1 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) (and .cse7 .cse8 .cse9) .cse4 (not (<= 0 |old(~waterLevel~0)|))) (or .cse5 (and .cse7 .cse8 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6 .cse3 .cse4) (or .cse6 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1) (and .cse7 .cse8 .cse1) .cse4) (or (and .cse0 .cse9) (and .cse9 (<= 1 ~pumpRunning~0)) (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse4))) [2020-07-07 10:54:13,175 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 (not (<= 0 |old(~waterLevel~0)|))))) [2020-07-07 10:54:13,175 INFO L268 CegarLoopResult]: For program point L760(lines 756 778) no Hoare annotation was computed. [2020-07-07 10:54:13,175 INFO L268 CegarLoopResult]: For program point L758(lines 756 778) no Hoare annotation was computed. [2020-07-07 10:54:13,175 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 753 779) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (and (= 0 ~pumpRunning~0) .cse4 .cse7)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or (and (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2) .cse4) .cse5 .cse6 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 (and .cse3 .cse4 .cse7) .cse6 .cse2 (not (<= 0 |old(~waterLevel~0)|))) (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse2)))) [2020-07-07 10:54:13,175 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 753 779) no Hoare annotation was computed. [2020-07-07 10:54:13,175 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 753 779) no Hoare annotation was computed. [2020-07-07 10:54:13,175 INFO L271 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: true [2020-07-07 10:54:13,175 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 570 599) no Hoare annotation was computed. [2020-07-07 10:54:13,176 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-07-07 10:54:13,176 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 570 599) the Hoare annotation is: true [2020-07-07 10:54:13,176 INFO L271 CegarLoopResult]: At program point L595(lines 570 599) the Hoare annotation is: true [2020-07-07 10:54:13,176 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-07 10:54:13,176 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-07-07 10:54:13,176 INFO L271 CegarLoopResult]: At program point L584-1(lines 584 588) the Hoare annotation is: true [2020-07-07 10:54:13,176 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-07 10:54:13,176 INFO L271 CegarLoopResult]: At program point L580-2(lines 580 594) the Hoare annotation is: true [2020-07-07 10:54:13,177 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= 0 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,177 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-07 10:54:13,177 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-07 10:54:13,177 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 625 631) no Hoare annotation was computed. [2020-07-07 10:54:13,177 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 625 631) the Hoare annotation is: true [2020-07-07 10:54:13,177 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,177 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:54:13,177 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:54:13,177 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,177 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2020-07-07 10:54:13,178 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |old(~systemActive~0)| ~systemActive~0)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse0 (not (= 1 |old(~systemActive~0)|))) (.cse5 (not (<= 1 ~pumpRunning~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (not (<= 2 ~waterLevel~0)) .cse5) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5))) [2020-07-07 10:54:13,178 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2020-07-07 10:54:13,178 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 788 812) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~waterLevel~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse2) (or (not (<= 0 ~waterLevel~0)) .cse5 .cse4 .cse6 (not (<= ~waterLevel~0 0)) .cse2))) [2020-07-07 10:54:13,178 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 (= 0 ~pumpRunning~0) .cse3) (or .cse0 .cse4 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:54:13,178 INFO L268 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2020-07-07 10:54:13,178 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 788 812) no Hoare annotation was computed. [2020-07-07 10:54:13,179 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:54:13,179 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-07-07 10:54:13,179 INFO L268 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-07-07 10:54:13,179 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse4 .cse3 .cse5 (not (<= ~waterLevel~0 0)) .cse1))) [2020-07-07 10:54:13,179 INFO L268 CegarLoopResult]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2020-07-07 10:54:13,179 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse4 (not (= 2 ~waterLevel~0)) .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:54:13,179 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-07 10:54:13,179 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-07 10:54:13,180 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 0)) .cse0 .cse1 .cse2 .cse3 (not (<= 0 |old(~waterLevel~0)|))) (or (= 2 ~waterLevel~0) .cse4 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse7 .cse5 .cse3) (or .cse1 .cse7 .cse6 .cse3))) [2020-07-07 10:54:13,180 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 671 678) no Hoare annotation was computed. [2020-07-07 10:54:13,180 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2020-07-07 10:54:13,180 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 671 678) the Hoare annotation is: true [2020-07-07 10:54:13,180 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 671 678) no Hoare annotation was computed. [2020-07-07 10:54:13,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:54:13 BoogieIcfgContainer [2020-07-07 10:54:13,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:54:13,200 INFO L168 Benchmark]: Toolchain (without parser) took 122573.33 ms. Allocated memory was 144.7 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 101.3 MB in the beginning and 545.7 MB in the end (delta: -444.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-07 10:54:13,201 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 144.7 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 10:54:13,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.07 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 171.0 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:54:13,201 INFO L168 Benchmark]: Boogie Preprocessor took 150.06 ms. Allocated memory is still 202.4 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:54:13,203 INFO L168 Benchmark]: RCFGBuilder took 1156.66 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 193.9 MB in the end (delta: -27.0 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:54:13,203 INFO L168 Benchmark]: TraceAbstraction took 120618.26 ms. Allocated memory was 234.9 MB in the beginning and 1.2 GB in the end (delta: 916.5 MB). Free memory was 192.4 MB in the beginning and 545.7 MB in the end (delta: -353.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-07 10:54:13,205 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 144.7 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.07 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 171.0 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.06 ms. Allocated memory is still 202.4 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1156.66 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 193.9 MB in the end (delta: -27.0 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 120618.26 ms. Allocated memory was 234.9 MB in the beginning and 1.2 GB in the end (delta: 916.5 MB). Free memory was 192.4 MB in the beginning and 545.7 MB in the end (delta: -353.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: 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: 690]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && \old(waterLevel) == waterLevel) && 1 <= pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || (((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 0 <= waterLevel) && waterLevel + 1 <= \old(waterLevel)) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 84.3s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 70.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 36.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2451 SDtfs, 7231 SDslu, 4587 SDs, 0 SdLazy, 20509 SolverSat, 5349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2769 GetRequests, 2368 SyntacticMatches, 9 SemanticMatches, 392 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4304 ImplicationChecksByTransitivity, 34.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1158occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 1292 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2290 PreInvPairs, 2378 NumberOfFragments, 2753 HoareAnnotationTreeSize, 2290 FomulaSimplifications, 3788815843 FormulaSimplificationTreeSizeReduction, 8.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 81819910 FormulaSimplificationTreeSizeReductionInter, 27.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 3840 NumberOfCodeBlocks, 3840 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3821 ConstructedInterpolants, 0 QuantifiedInterpolants, 2240549 SizeOfPredicates, 24 NumberOfNonLiveVariables, 6522 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 2950/3157 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...