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_spec4_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 14:24:50,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 14:24:50,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 14:24:50,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 14:24:50,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 14:24:50,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 14:24:50,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 14:24:50,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 14:24:50,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 14:24:50,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 14:24:50,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 14:24:50,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 14:24:50,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 14:24:50,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 14:24:50,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 14:24:50,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 14:24:50,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 14:24:50,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 14:24:50,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 14:24:50,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 14:24:50,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 14:24:50,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 14:24:50,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 14:24:50,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 14:24:50,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 14:24:50,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 14:24:50,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 14:24:50,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 14:24:50,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 14:24:50,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 14:24:50,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 14:24:50,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 14:24:50,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 14:24:50,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 14:24:50,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 14:24:50,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 14:24:50,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 14:24:50,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 14:24:50,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 14:24:50,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 14:24:50,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 14:24:50,622 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 [2019-10-02 14:24:50,640 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 14:24:50,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 14:24:50,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 14:24:50,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 14:24:50,643 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 14:24:50,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 14:24:50,644 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 14:24:50,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 14:24:50,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 14:24:50,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 14:24:50,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 14:24:50,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 14:24:50,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 14:24:50,646 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 14:24:50,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 14:24:50,647 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 14:24:50,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 14:24:50,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 14:24:50,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 14:24:50,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 14:24:50,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 14:24:50,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:24:50,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 14:24:50,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 14:24:50,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 14:24:50,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 14:24:50,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 14:24:50,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 14:24:50,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 14:24:50,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 14:24:50,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 14:24:50,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 14:24:50,707 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 14:24:50,707 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 14:24:50,708 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product60.cil.c [2019-10-02 14:24:50,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3020386/32f43be2478649298e05f6b9667c31d2/FLAG83bb2a389 [2019-10-02 14:24:51,311 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 14:24:51,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product60.cil.c [2019-10-02 14:24:51,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3020386/32f43be2478649298e05f6b9667c31d2/FLAG83bb2a389 [2019-10-02 14:24:51,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3020386/32f43be2478649298e05f6b9667c31d2 [2019-10-02 14:24:51,642 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 14:24:51,644 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 14:24:51,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 14:24:51,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 14:24:51,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 14:24:51,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:24:51" (1/1) ... [2019-10-02 14:24:51,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef0aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:51, skipping insertion in model container [2019-10-02 14:24:51,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:24:51" (1/1) ... [2019-10-02 14:24:51,657 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 14:24:51,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 14:24:52,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:24:52,179 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 14:24:52,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:24:52,322 INFO L192 MainTranslator]: Completed translation [2019-10-02 14:24:52,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:52 WrapperNode [2019-10-02 14:24:52,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 14:24:52,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 14:24:52,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 14:24:52,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 14:24:52,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:52" (1/1) ... [2019-10-02 14:24:52,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:52" (1/1) ... [2019-10-02 14:24:52,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:52" (1/1) ... [2019-10-02 14:24:52,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:52" (1/1) ... [2019-10-02 14:24:52,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:52" (1/1) ... [2019-10-02 14:24:52,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:52" (1/1) ... [2019-10-02 14:24:52,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:52" (1/1) ... [2019-10-02 14:24:52,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 14:24:52,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 14:24:52,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 14:24:52,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 14:24:52,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:52" (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 [2019-10-02 14:24:52,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 14:24:52,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 14:24:52,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-02 14:24:52,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-02 14:24:52,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-02 14:24:52,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-02 14:24:52,509 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-02 14:24:52,509 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-02 14:24:52,509 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-02 14:24:52,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-02 14:24:52,509 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-02 14:24:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 14:24:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-02 14:24:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-02 14:24:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-02 14:24:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-02 14:24:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-02 14:24:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-02 14:24:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-02 14:24:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-02 14:24:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-02 14:24:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-02 14:24:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:24:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-02 14:24:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-02 14:24:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-02 14:24:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-02 14:24:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-02 14:24:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-02 14:24:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-02 14:24:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-02 14:24:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-02 14:24:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-02 14:24:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-02 14:24:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-02 14:24:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-02 14:24:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-02 14:24:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-02 14:24:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-02 14:24:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-02 14:24:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-02 14:24:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-02 14:24:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-02 14:24:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 14:24:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 14:24:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-02 14:24:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-02 14:24:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-02 14:24:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-02 14:24:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-02 14:24:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-02 14:24:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-02 14:24:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-02 14:24:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-02 14:24:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-02 14:24:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-02 14:24:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-02 14:24:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-02 14:24:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-02 14:24:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 14:24:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-02 14:24:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 14:24:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 14:24:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-02 14:24:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 14:24:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 14:24:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 14:24:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 14:24:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-02 14:24:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 14:24:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-02 14:24:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-02 14:24:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 14:24:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-02 14:24:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-02 14:24:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 14:24:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-02 14:24:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-02 14:24:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-02 14:24:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-02 14:24:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-02 14:24:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-02 14:24:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-02 14:24:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-02 14:24:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-02 14:24:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-02 14:24:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-02 14:24:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-02 14:24:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-02 14:24:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-02 14:24:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-02 14:24:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-02 14:24:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-02 14:24:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:24:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-02 14:24:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-02 14:24:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-02 14:24:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 14:24:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 14:24:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 14:24:53,673 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 14:24:53,673 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 14:24:53,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:24:53 BoogieIcfgContainer [2019-10-02 14:24:53,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 14:24:53,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 14:24:53,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 14:24:53,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 14:24:53,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 02:24:51" (1/3) ... [2019-10-02 14:24:53,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8e851b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:24:53, skipping insertion in model container [2019-10-02 14:24:53,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:52" (2/3) ... [2019-10-02 14:24:53,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8e851b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:24:53, skipping insertion in model container [2019-10-02 14:24:53,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:24:53" (3/3) ... [2019-10-02 14:24:53,684 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2019-10-02 14:24:53,695 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 14:24:53,704 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 14:24:53,722 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 14:24:53,754 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 14:24:53,755 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 14:24:53,755 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 14:24:53,755 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 14:24:53,756 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 14:24:53,756 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 14:24:53,756 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 14:24:53,756 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 14:24:53,756 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 14:24:53,779 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2019-10-02 14:24:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-02 14:24:53,793 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:53,796 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:53,798 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:53,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:53,804 INFO L82 PathProgramCache]: Analyzing trace with hash 2134554421, now seen corresponding path program 1 times [2019-10-02 14:24:53,806 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:53,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:53,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:53,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:53,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:54,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:54,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:54,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 14:24:54,209 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 14:24:54,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 14:24:54,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:24:54,228 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2019-10-02 14:24:54,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:54,271 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2019-10-02 14:24:54,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 14:24:54,272 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-02 14:24:54,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:54,286 INFO L225 Difference]: With dead ends: 306 [2019-10-02 14:24:54,286 INFO L226 Difference]: Without dead ends: 153 [2019-10-02 14:24:54,291 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:24:54,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-10-02 14:24:54,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-10-02 14:24:54,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-02 14:24:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2019-10-02 14:24:54,365 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 46 [2019-10-02 14:24:54,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:54,366 INFO L475 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2019-10-02 14:24:54,366 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 14:24:54,366 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2019-10-02 14:24:54,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-02 14:24:54,371 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:54,371 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:54,374 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:54,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:54,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1258335028, now seen corresponding path program 1 times [2019-10-02 14:24:54,375 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:54,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:54,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:54,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:54,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:54,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:54,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:24:54,481 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:24:54,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:24:54,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:24:54,483 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 3 states. [2019-10-02 14:24:54,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:54,535 INFO L93 Difference]: Finished difference Result 245 states and 283 transitions. [2019-10-02 14:24:54,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:24:54,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-02 14:24:54,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:54,539 INFO L225 Difference]: With dead ends: 245 [2019-10-02 14:24:54,539 INFO L226 Difference]: Without dead ends: 144 [2019-10-02 14:24:54,541 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:24:54,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-02 14:24:54,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-10-02 14:24:54,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-02 14:24:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 166 transitions. [2019-10-02 14:24:54,558 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 166 transitions. Word has length 47 [2019-10-02 14:24:54,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:54,558 INFO L475 AbstractCegarLoop]: Abstraction has 144 states and 166 transitions. [2019-10-02 14:24:54,558 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:24:54,559 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2019-10-02 14:24:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-02 14:24:54,561 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:54,561 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:54,562 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:54,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:54,562 INFO L82 PathProgramCache]: Analyzing trace with hash 598975815, now seen corresponding path program 1 times [2019-10-02 14:24:54,562 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:54,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:54,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:54,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:54,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:54,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:54,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:24:54,786 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:24:54,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:24:54,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:24:54,787 INFO L87 Difference]: Start difference. First operand 144 states and 166 transitions. Second operand 7 states. [2019-10-02 14:24:55,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:55,353 INFO L93 Difference]: Finished difference Result 434 states and 518 transitions. [2019-10-02 14:24:55,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:24:55,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-02 14:24:55,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:55,358 INFO L225 Difference]: With dead ends: 434 [2019-10-02 14:24:55,358 INFO L226 Difference]: Without dead ends: 314 [2019-10-02 14:24:55,360 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:24:55,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-10-02 14:24:55,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 302. [2019-10-02 14:24:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2019-10-02 14:24:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 360 transitions. [2019-10-02 14:24:55,405 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 360 transitions. Word has length 52 [2019-10-02 14:24:55,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:55,405 INFO L475 AbstractCegarLoop]: Abstraction has 302 states and 360 transitions. [2019-10-02 14:24:55,405 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:24:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 360 transitions. [2019-10-02 14:24:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-02 14:24:55,409 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:55,409 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:55,410 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:55,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:55,410 INFO L82 PathProgramCache]: Analyzing trace with hash 301540465, now seen corresponding path program 1 times [2019-10-02 14:24:55,410 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:55,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:55,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:55,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:55,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:55,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:55,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:55,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-02 14:24:55,577 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 14:24:55,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 14:24:55,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:24:55,577 INFO L87 Difference]: Start difference. First operand 302 states and 360 transitions. Second operand 10 states. [2019-10-02 14:24:56,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:56,295 INFO L93 Difference]: Finished difference Result 1088 states and 1388 transitions. [2019-10-02 14:24:56,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 14:24:56,296 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-02 14:24:56,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:56,311 INFO L225 Difference]: With dead ends: 1088 [2019-10-02 14:24:56,311 INFO L226 Difference]: Without dead ends: 810 [2019-10-02 14:24:56,319 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:24:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2019-10-02 14:24:56,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 798. [2019-10-02 14:24:56,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2019-10-02 14:24:56,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 984 transitions. [2019-10-02 14:24:56,422 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 984 transitions. Word has length 57 [2019-10-02 14:24:56,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:56,428 INFO L475 AbstractCegarLoop]: Abstraction has 798 states and 984 transitions. [2019-10-02 14:24:56,428 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 14:24:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 984 transitions. [2019-10-02 14:24:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-02 14:24:56,440 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:56,442 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:56,443 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:56,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:56,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1216503305, now seen corresponding path program 1 times [2019-10-02 14:24:56,444 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:56,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:56,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:56,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:56,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:56,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:56,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 14:24:56,573 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 14:24:56,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 14:24:56,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 14:24:56,574 INFO L87 Difference]: Start difference. First operand 798 states and 984 transitions. Second operand 4 states. [2019-10-02 14:24:56,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:56,943 INFO L93 Difference]: Finished difference Result 1977 states and 2649 transitions. [2019-10-02 14:24:56,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 14:24:56,943 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-02 14:24:56,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:56,951 INFO L225 Difference]: With dead ends: 1977 [2019-10-02 14:24:56,952 INFO L226 Difference]: Without dead ends: 1203 [2019-10-02 14:24:56,955 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:24:56,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2019-10-02 14:24:57,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1065. [2019-10-02 14:24:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2019-10-02 14:24:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1322 transitions. [2019-10-02 14:24:57,033 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1322 transitions. Word has length 61 [2019-10-02 14:24:57,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:57,034 INFO L475 AbstractCegarLoop]: Abstraction has 1065 states and 1322 transitions. [2019-10-02 14:24:57,034 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 14:24:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1322 transitions. [2019-10-02 14:24:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-02 14:24:57,036 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:57,037 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:57,037 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:57,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:57,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1663970326, now seen corresponding path program 1 times [2019-10-02 14:24:57,037 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:57,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:57,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:57,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:57,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-02 14:24:57,143 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:57,143 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:57,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:57,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-02 14:24:57,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:24:57,595 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:24:57,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-10-02 14:24:57,596 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 14:24:57,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 14:24:57,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-02 14:24:57,597 INFO L87 Difference]: Start difference. First operand 1065 states and 1322 transitions. Second operand 12 states. [2019-10-02 14:25:00,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:25:00,995 INFO L93 Difference]: Finished difference Result 2501 states and 3349 transitions. [2019-10-02 14:25:00,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-10-02 14:25:00,995 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2019-10-02 14:25:00,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:25:01,008 INFO L225 Difference]: With dead ends: 2501 [2019-10-02 14:25:01,009 INFO L226 Difference]: Without dead ends: 1738 [2019-10-02 14:25:01,014 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2019-10-02 14:25:01,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2019-10-02 14:25:01,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1527. [2019-10-02 14:25:01,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2019-10-02 14:25:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1917 transitions. [2019-10-02 14:25:01,144 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1917 transitions. Word has length 89 [2019-10-02 14:25:01,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:25:01,146 INFO L475 AbstractCegarLoop]: Abstraction has 1527 states and 1917 transitions. [2019-10-02 14:25:01,146 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 14:25:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1917 transitions. [2019-10-02 14:25:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-02 14:25:01,157 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:25:01,157 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:25:01,157 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:25:01,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:25:01,158 INFO L82 PathProgramCache]: Analyzing trace with hash 792064237, now seen corresponding path program 1 times [2019-10-02 14:25:01,158 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:25:01,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:25:01,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:01,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:01,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-02 14:25:01,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:25:01,272 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:25:01,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:01,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-02 14:25:01,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:25:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:25:01,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:25:01,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-10-02 14:25:01,583 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:25:01,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:25:01,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:25:01,584 INFO L87 Difference]: Start difference. First operand 1527 states and 1917 transitions. Second operand 6 states. [2019-10-02 14:25:01,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:25:01,730 INFO L93 Difference]: Finished difference Result 3086 states and 4076 transitions. [2019-10-02 14:25:01,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:25:01,731 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2019-10-02 14:25:01,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:25:01,746 INFO L225 Difference]: With dead ends: 3086 [2019-10-02 14:25:01,747 INFO L226 Difference]: Without dead ends: 1583 [2019-10-02 14:25:01,755 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:25:01,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2019-10-02 14:25:01,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1567. [2019-10-02 14:25:01,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1567 states. [2019-10-02 14:25:01,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 1961 transitions. [2019-10-02 14:25:01,945 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 1961 transitions. Word has length 149 [2019-10-02 14:25:01,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:25:01,945 INFO L475 AbstractCegarLoop]: Abstraction has 1567 states and 1961 transitions. [2019-10-02 14:25:01,945 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:25:01,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 1961 transitions. [2019-10-02 14:25:01,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-02 14:25:01,951 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:25:01,951 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:25:01,951 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:25:01,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:25:01,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1823105135, now seen corresponding path program 1 times [2019-10-02 14:25:01,952 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:25:01,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:25:01,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:01,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:01,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-02 14:25:02,099 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:25:02,099 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:25:02,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:02,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 14:25:02,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:25:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 14:25:02,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:25:02,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-10-02 14:25:02,373 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 14:25:02,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 14:25:02,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:25:02,374 INFO L87 Difference]: Start difference. First operand 1567 states and 1961 transitions. Second operand 11 states. [2019-10-02 14:25:02,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:25:02,472 INFO L93 Difference]: Finished difference Result 2843 states and 3660 transitions. [2019-10-02 14:25:02,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:25:02,473 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 149 [2019-10-02 14:25:02,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:25:02,485 INFO L225 Difference]: With dead ends: 2843 [2019-10-02 14:25:02,486 INFO L226 Difference]: Without dead ends: 1300 [2019-10-02 14:25:02,491 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:25:02,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2019-10-02 14:25:02,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1300. [2019-10-02 14:25:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1300 states. [2019-10-02 14:25:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1629 transitions. [2019-10-02 14:25:02,576 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1629 transitions. Word has length 149 [2019-10-02 14:25:02,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:25:02,578 INFO L475 AbstractCegarLoop]: Abstraction has 1300 states and 1629 transitions. [2019-10-02 14:25:02,578 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 14:25:02,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1629 transitions. [2019-10-02 14:25:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-02 14:25:02,584 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:25:02,584 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:25:02,584 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:25:02,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:25:02,585 INFO L82 PathProgramCache]: Analyzing trace with hash 838725238, now seen corresponding path program 1 times [2019-10-02 14:25:02,585 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:25:02,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:25:02,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:02,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:02,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-02 14:25:02,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:25:02,773 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:25:02,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:03,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-02 14:25:03,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:25:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:25:03,243 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:25:03,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-10-02 14:25:03,244 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 14:25:03,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 14:25:03,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:25:03,245 INFO L87 Difference]: Start difference. First operand 1300 states and 1629 transitions. Second operand 11 states. [2019-10-02 14:25:05,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:25:05,099 INFO L93 Difference]: Finished difference Result 2611 states and 3485 transitions. [2019-10-02 14:25:05,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-02 14:25:05,101 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2019-10-02 14:25:05,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:25:05,126 INFO L225 Difference]: With dead ends: 2611 [2019-10-02 14:25:05,126 INFO L226 Difference]: Without dead ends: 1494 [2019-10-02 14:25:05,136 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-10-02 14:25:05,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2019-10-02 14:25:05,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1186. [2019-10-02 14:25:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2019-10-02 14:25:05,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1481 transitions. [2019-10-02 14:25:05,289 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1481 transitions. Word has length 153 [2019-10-02 14:25:05,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:25:05,293 INFO L475 AbstractCegarLoop]: Abstraction has 1186 states and 1481 transitions. [2019-10-02 14:25:05,293 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 14:25:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1481 transitions. [2019-10-02 14:25:05,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-02 14:25:05,303 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:25:05,304 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-02 14:25:05,305 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:25:05,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:25:05,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1170878717, now seen corresponding path program 2 times [2019-10-02 14:25:05,306 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:25:05,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:25:05,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:05,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:05,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-02 14:25:05,744 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:25:05,745 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:25:05,860 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 14:25:06,050 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 14:25:06,050 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 14:25:06,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-02 14:25:06,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:25:06,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 14:25:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-02 14:25:06,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:25:06,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-10-02 14:25:06,250 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 14:25:06,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 14:25:06,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2019-10-02 14:25:06,251 INFO L87 Difference]: Start difference. First operand 1186 states and 1481 transitions. Second operand 16 states. [2019-10-02 14:25:09,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:25:09,254 INFO L93 Difference]: Finished difference Result 3518 states and 4781 transitions. [2019-10-02 14:25:09,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-02 14:25:09,255 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 207 [2019-10-02 14:25:09,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:25:09,273 INFO L225 Difference]: With dead ends: 3518 [2019-10-02 14:25:09,273 INFO L226 Difference]: Without dead ends: 2511 [2019-10-02 14:25:09,281 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=288, Invalid=1044, Unknown=0, NotChecked=0, Total=1332 [2019-10-02 14:25:09,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2019-10-02 14:25:09,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2160. [2019-10-02 14:25:09,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2160 states. [2019-10-02 14:25:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 2669 transitions. [2019-10-02 14:25:09,492 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 2669 transitions. Word has length 207 [2019-10-02 14:25:09,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:25:09,493 INFO L475 AbstractCegarLoop]: Abstraction has 2160 states and 2669 transitions. [2019-10-02 14:25:09,493 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 14:25:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2669 transitions. [2019-10-02 14:25:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-02 14:25:09,505 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:25:09,506 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:25:09,507 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:25:09,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:25:09,507 INFO L82 PathProgramCache]: Analyzing trace with hash -787696069, now seen corresponding path program 1 times [2019-10-02 14:25:09,508 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:25:09,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:25:09,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:09,510 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 14:25:09,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-02 14:25:09,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:25:09,705 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:25:09,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:10,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 14:25:10,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:25:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-02 14:25:10,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:25:10,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-10-02 14:25:10,134 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 14:25:10,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 14:25:10,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:25:10,135 INFO L87 Difference]: Start difference. First operand 2160 states and 2669 transitions. Second operand 13 states. [2019-10-02 14:25:10,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:25:10,231 INFO L93 Difference]: Finished difference Result 2835 states and 3463 transitions. [2019-10-02 14:25:10,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 14:25:10,232 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 207 [2019-10-02 14:25:10,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:25:10,233 INFO L225 Difference]: With dead ends: 2835 [2019-10-02 14:25:10,233 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 14:25:10,243 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-10-02 14:25:10,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 14:25:10,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 14:25:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 14:25:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 14:25:10,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2019-10-02 14:25:10,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:25:10,245 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 14:25:10,245 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 14:25:10,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 14:25:10,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 14:25:10,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 14:25:11,694 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 13 [2019-10-02 14:25:12,222 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 33 [2019-10-02 14:25:12,379 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 23 [2019-10-02 14:25:14,105 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 20 [2019-10-02 14:25:14,337 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 33 [2019-10-02 14:25:14,471 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 27 [2019-10-02 14:25:14,565 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-10-02 14:25:14,565 INFO L443 ceAbstractionStarter]: For program point L256-2(lines 256 277) no Hoare annotation was computed. [2019-10-02 14:25:14,565 INFO L443 ceAbstractionStarter]: For program point L278(lines 255 279) no Hoare annotation was computed. [2019-10-02 14:25:14,565 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 231 286) no Hoare annotation was computed. [2019-10-02 14:25:14,566 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2019-10-02 14:25:14,566 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-02 14:25:14,566 INFO L443 ceAbstractionStarter]: For program point L262-1(lines 262 266) no Hoare annotation was computed. [2019-10-02 14:25:14,566 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2019-10-02 14:25:14,566 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 323) no Hoare annotation was computed. [2019-10-02 14:25:14,566 INFO L443 ceAbstractionStarter]: For program point L319-1(lines 319 323) no Hoare annotation was computed. [2019-10-02 14:25:14,566 INFO L443 ceAbstractionStarter]: For program point L314(line 314) no Hoare annotation was computed. [2019-10-02 14:25:14,566 INFO L443 ceAbstractionStarter]: For program point L313-2(lines 313 338) no Hoare annotation was computed. [2019-10-02 14:25:14,566 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2019-10-02 14:25:14,567 INFO L443 ceAbstractionStarter]: For program point L339(lines 312 340) no Hoare annotation was computed. [2019-10-02 14:25:14,567 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2019-10-02 14:25:14,567 INFO L443 ceAbstractionStarter]: For program point L332(line 332) no Hoare annotation was computed. [2019-10-02 14:25:14,567 INFO L443 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2019-10-02 14:25:14,567 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2019-10-02 14:25:14,567 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-02 14:25:14,568 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-02 14:25:14,568 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-02 14:25:14,568 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-02 14:25:14,568 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-02 14:25:14,568 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2019-10-02 14:25:14,568 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2019-10-02 14:25:14,568 INFO L439 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1))) [2019-10-02 14:25:14,568 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-02 14:25:14,569 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1))) [2019-10-02 14:25:14,569 INFO L443 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2019-10-02 14:25:14,569 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-10-02 14:25:14,569 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2019-10-02 14:25:14,569 INFO L446 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2019-10-02 14:25:14,569 INFO L443 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2019-10-02 14:25:14,569 INFO L439 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:25:14,569 INFO L439 ceAbstractionStarter]: At program point L161-1(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:25:14,570 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 155 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:25:14,570 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 155 177) no Hoare annotation was computed. [2019-10-02 14:25:14,570 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 155 177) no Hoare annotation was computed. [2019-10-02 14:25:14,570 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:25:14,570 INFO L439 ceAbstractionStarter]: At program point L167-1(line 167) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:25:14,570 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 172) no Hoare annotation was computed. [2019-10-02 14:25:14,570 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2019-10-02 14:25:14,571 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-02 14:25:14,571 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:25:14,571 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-02 14:25:14,571 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-02 14:25:14,571 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2019-10-02 14:25:14,571 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-02 14:25:14,572 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-10-02 14:25:14,572 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-10-02 14:25:14,572 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2019-10-02 14:25:14,572 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-02 14:25:14,572 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2019-10-02 14:25:14,572 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-10-02 14:25:14,572 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-10-02 14:25:14,572 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-02 14:25:14,573 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-10-02 14:25:14,573 INFO L443 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2019-10-02 14:25:14,573 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-02 14:25:14,573 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-10-02 14:25:14,573 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-02 14:25:14,573 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 806 820) no Hoare annotation was computed. [2019-10-02 14:25:14,574 INFO L439 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0))))) [2019-10-02 14:25:14,574 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 816) no Hoare annotation was computed. [2019-10-02 14:25:14,574 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 806 820) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse2 (or .cse0 (not (= ~waterLevel~0 1)))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (= |old(~systemActive~0)| 0) .cse1)))) [2019-10-02 14:25:14,574 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 806 820) no Hoare annotation was computed. [2019-10-02 14:25:14,574 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2019-10-02 14:25:14,575 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2019-10-02 14:25:14,575 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2019-10-02 14:25:14,575 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-10-02 14:25:14,575 INFO L446 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2019-10-02 14:25:14,575 INFO L443 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2019-10-02 14:25:14,575 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2019-10-02 14:25:14,575 INFO L443 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2019-10-02 14:25:14,576 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2019-10-02 14:25:14,576 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2019-10-02 14:25:14,576 INFO L443 ceAbstractionStarter]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2019-10-02 14:25:14,576 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-10-02 14:25:14,576 INFO L443 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2019-10-02 14:25:14,576 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 759) no Hoare annotation was computed. [2019-10-02 14:25:14,576 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 732 767) no Hoare annotation was computed. [2019-10-02 14:25:14,577 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2019-10-02 14:25:14,577 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 732 767) no Hoare annotation was computed. [2019-10-02 14:25:14,577 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 747) no Hoare annotation was computed. [2019-10-02 14:25:14,577 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 732 767) no Hoare annotation was computed. [2019-10-02 14:25:14,577 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-02 14:25:14,577 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-02 14:25:14,577 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2019-10-02 14:25:14,577 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2019-10-02 14:25:14,577 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 185 230) no Hoare annotation was computed. [2019-10-02 14:25:14,578 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 532) no Hoare annotation was computed. [2019-10-02 14:25:14,578 INFO L443 ceAbstractionStarter]: For program point L512-1(lines 512 532) no Hoare annotation was computed. [2019-10-02 14:25:14,578 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 498 543) no Hoare annotation was computed. [2019-10-02 14:25:14,578 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2019-10-02 14:25:14,578 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 525) no Hoare annotation was computed. [2019-10-02 14:25:14,578 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2019-10-02 14:25:14,578 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 145 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:25:14,578 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 145 154) no Hoare annotation was computed. [2019-10-02 14:25:14,578 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 145 154) no Hoare annotation was computed. [2019-10-02 14:25:14,578 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2019-10-02 14:25:14,579 INFO L446 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2019-10-02 14:25:14,579 INFO L443 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2019-10-02 14:25:14,579 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2019-10-02 14:25:14,579 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2019-10-02 14:25:14,579 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-10-02 14:25:14,579 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2019-10-02 14:25:14,579 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2019-10-02 14:25:14,579 INFO L443 ceAbstractionStarter]: For program point L982(lines 982 988) no Hoare annotation was computed. [2019-10-02 14:25:14,579 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 978 991) no Hoare annotation was computed. [2019-10-02 14:25:14,579 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 978 991) the Hoare annotation is: true [2019-10-02 14:25:14,580 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 978 991) no Hoare annotation was computed. [2019-10-02 14:25:14,580 INFO L439 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-10-02 14:25:14,580 INFO L443 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2019-10-02 14:25:14,580 INFO L439 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-10-02 14:25:14,580 INFO L439 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (and (= 1 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-02 14:25:14,580 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2019-10-02 14:25:14,580 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-10-02 14:25:14,580 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-10-02 14:25:14,581 INFO L439 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-02 14:25:14,581 INFO L443 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2019-10-02 14:25:14,581 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2019-10-02 14:25:14,581 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2019-10-02 14:25:14,581 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2019-10-02 14:25:14,581 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 830 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:25:14,581 INFO L439 ceAbstractionStarter]: At program point L890(lines 839 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:25:14,581 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 830 897) no Hoare annotation was computed. [2019-10-02 14:25:14,581 INFO L439 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 (not (= 0 ~systemActive~0))) (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-02 14:25:14,582 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-10-02 14:25:14,582 INFO L439 ceAbstractionStarter]: At program point L878-1(lines 870 885) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-02 14:25:14,582 INFO L443 ceAbstractionStarter]: For program point L841(lines 840 889) no Hoare annotation was computed. [2019-10-02 14:25:14,582 INFO L439 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 (= ~pumpRunning~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-02 14:25:14,582 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 885) no Hoare annotation was computed. [2019-10-02 14:25:14,582 INFO L439 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-10-02 14:25:14,582 INFO L443 ceAbstractionStarter]: For program point L860(lines 860 866) no Hoare annotation was computed. [2019-10-02 14:25:14,582 INFO L443 ceAbstractionStarter]: For program point L860-1(lines 860 866) no Hoare annotation was computed. [2019-10-02 14:25:14,582 INFO L439 ceAbstractionStarter]: At program point L887(lines 840 889) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-10-02 14:25:14,583 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-10-02 14:25:14,583 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2019-10-02 14:25:14,583 INFO L443 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2019-10-02 14:25:14,583 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 846) no Hoare annotation was computed. [2019-10-02 14:25:14,583 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 830 897) no Hoare annotation was computed. [2019-10-02 14:25:14,583 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2019-10-02 14:25:14,583 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 479) no Hoare annotation was computed. [2019-10-02 14:25:14,583 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2019-10-02 14:25:14,583 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 486) no Hoare annotation was computed. [2019-10-02 14:25:14,584 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 466 486) no Hoare annotation was computed. [2019-10-02 14:25:14,584 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 452 497) no Hoare annotation was computed. [2019-10-02 14:25:14,584 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-10-02 14:25:14,584 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2019-10-02 14:25:14,584 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2019-10-02 14:25:14,584 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 992 1000) no Hoare annotation was computed. [2019-10-02 14:25:14,584 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 992 1000) the Hoare annotation is: true [2019-10-02 14:25:14,584 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 992 1000) no Hoare annotation was computed. [2019-10-02 14:25:14,584 INFO L443 ceAbstractionStarter]: For program point L954(lines 954 962) no Hoare annotation was computed. [2019-10-02 14:25:14,584 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 946 968) no Hoare annotation was computed. [2019-10-02 14:25:14,585 INFO L443 ceAbstractionStarter]: For program point L954-2(lines 954 962) no Hoare annotation was computed. [2019-10-02 14:25:14,585 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 946 968) no Hoare annotation was computed. [2019-10-02 14:25:14,585 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 946 968) no Hoare annotation was computed. [2019-10-02 14:25:14,585 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-02 14:25:14,585 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-02 14:25:14,585 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-02 14:25:14,585 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2019-10-02 14:25:14,585 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 394) no Hoare annotation was computed. [2019-10-02 14:25:14,585 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2019-10-02 14:25:14,585 INFO L443 ceAbstractionStarter]: For program point L399(lines 398 418) no Hoare annotation was computed. [2019-10-02 14:25:14,585 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-02 14:25:14,586 INFO L443 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2019-10-02 14:25:14,586 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 436) no Hoare annotation was computed. [2019-10-02 14:25:14,586 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2019-10-02 14:25:14,586 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-02 14:25:14,586 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-02 14:25:14,586 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-10-02 14:25:14,586 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 448) no Hoare annotation was computed. [2019-10-02 14:25:14,587 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2019-10-02 14:25:14,587 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 404) no Hoare annotation was computed. [2019-10-02 14:25:14,587 INFO L443 ceAbstractionStarter]: For program point L398-2(lines 398 418) no Hoare annotation was computed. [2019-10-02 14:25:14,587 INFO L443 ceAbstractionStarter]: For program point L419(lines 397 420) no Hoare annotation was computed. [2019-10-02 14:25:14,587 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:25:14,587 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:25:14,587 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:25:14,587 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2019-10-02 14:25:14,587 INFO L439 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-10-02 14:25:14,588 INFO L443 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2019-10-02 14:25:14,588 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-10-02 14:25:14,588 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-10-02 14:25:14,588 INFO L439 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-10-02 14:25:14,588 INFO L443 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2019-10-02 14:25:14,588 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 969 977) the Hoare annotation is: true [2019-10-02 14:25:14,589 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 969 977) no Hoare annotation was computed. [2019-10-02 14:25:14,589 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 969 977) no Hoare annotation was computed. [2019-10-02 14:25:14,589 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2019-10-02 14:25:14,589 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-10-02 14:25:14,589 INFO L446 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2019-10-02 14:25:14,589 INFO L443 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2019-10-02 14:25:14,589 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-02 14:25:14,590 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2019-10-02 14:25:14,590 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2019-10-02 14:25:14,590 INFO L443 ceAbstractionStarter]: For program point L929-1(lines 925 936) no Hoare annotation was computed. [2019-10-02 14:25:14,590 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 925 936) the Hoare annotation is: true [2019-10-02 14:25:14,590 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 925 936) no Hoare annotation was computed. [2019-10-02 14:25:14,590 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:25:14,590 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-02 14:25:14,590 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:25:14,591 INFO L439 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0)))) (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (and .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6))) (and (or (let ((.cse0 (+ ~waterLevel~0 1))) (and (<= .cse0 |old(~waterLevel~0)|) .cse1 (<= |old(~waterLevel~0)| .cse0))) (= ~systemActive~0 0) .cse2 .cse3) (or (and .cse4 .cse5 .cse6) (or .cse7 (not (= |old(~waterLevel~0)| 1)))) (or (or .cse7 .cse3) .cse2)))) [2019-10-02 14:25:14,591 INFO L439 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (and .cse7 .cse9 (not (= 0 ~systemActive~0)))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (and .cse9 .cse6)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (let ((.cse8 (+ ~waterLevel~0 1))) (let ((.cse4 (<= .cse8 |old(~waterLevel~0)|)) (.cse5 (<= |old(~waterLevel~0)| .cse8))) (or (= ~systemActive~0 0) .cse2 .cse1 (and .cse4 .cse5 .cse6) (and .cse4 .cse7 .cse5)))) (or .cse3 (or .cse0 (not (= |old(~waterLevel~0)| 1))))))) [2019-10-02 14:25:14,591 INFO L439 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or (= ~systemActive~0 0) .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1))) [2019-10-02 14:25:14,591 INFO L443 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2019-10-02 14:25:14,592 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))))) [2019-10-02 14:25:14,592 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2019-10-02 14:25:14,592 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2019-10-02 14:25:14,592 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2019-10-02 14:25:14,592 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-10-02 14:25:14,592 INFO L446 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2019-10-02 14:25:14,592 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2019-10-02 14:25:14,593 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-02 14:25:14,593 INFO L446 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2019-10-02 14:25:14,593 INFO L446 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2019-10-02 14:25:14,593 INFO L443 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2019-10-02 14:25:14,593 INFO L446 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2019-10-02 14:25:14,593 INFO L443 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2019-10-02 14:25:14,593 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 937 945) the Hoare annotation is: true [2019-10-02 14:25:14,593 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 937 945) no Hoare annotation was computed. [2019-10-02 14:25:14,594 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 937 945) no Hoare annotation was computed. [2019-10-02 14:25:14,594 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 901 912) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:25:14,594 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 901 912) no Hoare annotation was computed. [2019-10-02 14:25:14,594 INFO L443 ceAbstractionStarter]: For program point L905-1(lines 901 912) no Hoare annotation was computed. [2019-10-02 14:25:14,594 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2019-10-02 14:25:14,594 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2019-10-02 14:25:14,594 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:25:14,594 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-02 14:25:14,595 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 14:25:14,595 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:25:14,595 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 821 828) no Hoare annotation was computed. [2019-10-02 14:25:14,595 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 821 828) the Hoare annotation is: true [2019-10-02 14:25:14,595 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 821 828) no Hoare annotation was computed. [2019-10-02 14:25:14,595 INFO L439 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~pumpRunning~0 0))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 1)))) (or .cse1 .cse0 .cse2 (<= ~waterLevel~0 1)))) [2019-10-02 14:25:14,595 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 1)))))) [2019-10-02 14:25:14,596 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-02 14:25:14,596 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2019-10-02 14:25:14,596 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-10-02 14:25:14,596 INFO L439 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 1)))))) [2019-10-02 14:25:14,596 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-02 14:25:14,596 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-10-02 14:25:14,596 INFO L439 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-02 14:25:14,596 INFO L443 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2019-10-02 14:25:14,596 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 913 924) no Hoare annotation was computed. [2019-10-02 14:25:14,597 INFO L443 ceAbstractionStarter]: For program point L917-1(lines 913 924) no Hoare annotation was computed. [2019-10-02 14:25:14,597 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 913 924) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))))) [2019-10-02 14:25:14,597 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2019-10-02 14:25:14,597 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2019-10-02 14:25:14,597 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2019-10-02 14:25:14,597 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-02 14:25:14,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 02:25:14 BoogieIcfgContainer [2019-10-02 14:25:14,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 14:25:14,614 INFO L168 Benchmark]: Toolchain (without parser) took 22970.28 ms. Allocated memory was 131.6 MB in the beginning and 673.7 MB in the end (delta: 542.1 MB). Free memory was 85.1 MB in the beginning and 142.1 MB in the end (delta: -57.0 MB). Peak memory consumption was 487.6 MB. Max. memory is 7.1 GB. [2019-10-02 14:25:14,615 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 131.6 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-02 14:25:14,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.63 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 84.9 MB in the beginning and 162.6 MB in the end (delta: -77.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-10-02 14:25:14,617 INFO L168 Benchmark]: Boogie Preprocessor took 117.50 ms. Allocated memory is still 198.7 MB. Free memory was 162.6 MB in the beginning and 158.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-02 14:25:14,618 INFO L168 Benchmark]: RCFGBuilder took 1233.21 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 158.1 MB in the beginning and 185.5 MB in the end (delta: -27.4 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2019-10-02 14:25:14,619 INFO L168 Benchmark]: TraceAbstraction took 20936.20 ms. Allocated memory was 220.7 MB in the beginning and 673.7 MB in the end (delta: 453.0 MB). Free memory was 185.5 MB in the beginning and 142.1 MB in the end (delta: 43.4 MB). Peak memory consumption was 498.9 MB. Max. memory is 7.1 GB. [2019-10-02 14:25:14,624 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 131.6 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.63 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 84.9 MB in the beginning and 162.6 MB in the end (delta: -77.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.50 ms. Allocated memory is still 198.7 MB. Free memory was 162.6 MB in the beginning and 158.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1233.21 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 158.1 MB in the beginning and 185.5 MB in the end (delta: -27.4 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20936.20 ms. Allocated memory was 220.7 MB in the beginning and 673.7 MB in the end (delta: 453.0 MB). Free memory was 185.5 MB in the beginning and 142.1 MB in the end (delta: 43.4 MB). Peak memory consumption was 498.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 840]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. SAFE Result, 20.8s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 10.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2175 SDtfs, 3200 SDslu, 6695 SDs, 0 SdLazy, 7445 SolverSat, 2111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1168 GetRequests, 1005 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1220 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2160occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 4174 PreInvPairs, 4297 NumberOfFragments, 1163 HoareAnnotationTreeSize, 4174 FomulaSimplifications, 22091 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 69 FomulaSimplificationsInter, 13043 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2171 NumberOfCodeBlocks, 2171 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2154 ConstructedInterpolants, 0 QuantifiedInterpolants, 478652 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5493 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 606/670 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...