./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6dd4e2379545062b6cfdf03e26feb426fb16a9fa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:57:37,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:57:37,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:57:37,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:57:37,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:57:37,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:57:37,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:57:37,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:57:37,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:57:37,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:57:37,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:57:37,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:57:37,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:57:37,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:57:37,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:57:37,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:57:37,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:57:37,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:57:37,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:57:37,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:57:37,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:57:37,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:57:37,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:57:37,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:57:37,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:57:37,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:57:37,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:57:37,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:57:37,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:57:37,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:57:37,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:57:37,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:57:37,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:57:37,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:57:37,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:57:37,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:57:37,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:57:37,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:57:37,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:57:37,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:57:37,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:57:37,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:57:37,716 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:57:37,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:57:37,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:57:37,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:57:37,718 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:57:37,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:57:37,718 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:57:37,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:57:37,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:57:37,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:57:37,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:57:37,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:57:37,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:57:37,720 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:57:37,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:57:37,720 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:57:37,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:57:37,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:57:37,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:57:37,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:57:37,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:57:37,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:57:37,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:57:37,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:57:37,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:57:37,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:57:37,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:57:37,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:57:37,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:57:37,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4e2379545062b6cfdf03e26feb426fb16a9fa [2020-11-30 00:57:37,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:57:37,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:57:37,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:57:37,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:57:37,975 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:57:37,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2020-11-30 00:57:38,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/data/977a24bd4/7b0d2a8ad921492388b732f4662ceb94/FLAGed3e8bc63 [2020-11-30 00:57:38,590 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:57:38,590 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2020-11-30 00:57:38,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/data/977a24bd4/7b0d2a8ad921492388b732f4662ceb94/FLAGed3e8bc63 [2020-11-30 00:57:38,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/data/977a24bd4/7b0d2a8ad921492388b732f4662ceb94 [2020-11-30 00:57:38,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:57:38,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:57:38,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:57:38,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:57:38,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:57:38,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:57:38" (1/1) ... [2020-11-30 00:57:38,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a712219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:38, skipping insertion in model container [2020-11-30 00:57:38,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:57:38" (1/1) ... [2020-11-30 00:57:38,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:57:39,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:57:39,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:57:39,440 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:57:39,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:57:39,600 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:57:39,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39 WrapperNode [2020-11-30 00:57:39,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:57:39,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:57:39,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:57:39,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:57:39,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39" (1/1) ... [2020-11-30 00:57:39,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39" (1/1) ... [2020-11-30 00:57:39,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:57:39,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:57:39,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:57:39,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:57:39,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39" (1/1) ... [2020-11-30 00:57:39,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39" (1/1) ... [2020-11-30 00:57:39,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39" (1/1) ... [2020-11-30 00:57:39,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39" (1/1) ... [2020-11-30 00:57:39,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39" (1/1) ... [2020-11-30 00:57:39,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39" (1/1) ... [2020-11-30 00:57:39,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39" (1/1) ... [2020-11-30 00:57:39,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:57:39,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:57:39,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:57:39,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:57:39,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:57:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:57:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:57:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:57:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:57:40,671 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:57:40,676 INFO L298 CfgBuilder]: Removed 120 assume(true) statements. [2020-11-30 00:57:40,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:57:40 BoogieIcfgContainer [2020-11-30 00:57:40,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:57:40,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:57:40,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:57:40,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:57:40,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:57:38" (1/3) ... [2020-11-30 00:57:40,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c090cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:57:40, skipping insertion in model container [2020-11-30 00:57:40,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:57:39" (2/3) ... [2020-11-30 00:57:40,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c090cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:57:40, skipping insertion in model container [2020-11-30 00:57:40,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:57:40" (3/3) ... [2020-11-30 00:57:40,690 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2020-11-30 00:57:40,704 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:57:40,709 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:57:40,720 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:57:40,758 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:57:40,758 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:57:40,758 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:57:40,758 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:57:40,758 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:57:40,759 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:57:40,759 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:57:40,759 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:57:40,783 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2020-11-30 00:57:40,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:57:40,791 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:57:40,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:57:40,792 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:57:40,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:57:40,798 INFO L82 PathProgramCache]: Analyzing trace with hash -345476046, now seen corresponding path program 1 times [2020-11-30 00:57:40,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:57:40,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961740835] [2020-11-30 00:57:40,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:57:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:41,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961740835] [2020-11-30 00:57:41,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:57:41,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:57:41,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954877666] [2020-11-30 00:57:41,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:57:41,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:57:41,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:57:41,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:57:41,160 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 2 states. [2020-11-30 00:57:41,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:57:41,210 INFO L93 Difference]: Finished difference Result 174 states and 259 transitions. [2020-11-30 00:57:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:57:41,212 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-11-30 00:57:41,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:57:41,224 INFO L225 Difference]: With dead ends: 174 [2020-11-30 00:57:41,225 INFO L226 Difference]: Without dead ends: 85 [2020-11-30 00:57:41,231 INFO L677 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 [2020-11-30 00:57:41,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-11-30 00:57:41,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-11-30 00:57:41,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-11-30 00:57:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2020-11-30 00:57:41,294 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2020-11-30 00:57:41,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:57:41,295 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2020-11-30 00:57:41,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:57:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2020-11-30 00:57:41,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:57:41,298 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:57:41,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:57:41,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:57:41,299 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:57:41,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:57:41,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1460543507, now seen corresponding path program 1 times [2020-11-30 00:57:41,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:57:41,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964248483] [2020-11-30 00:57:41,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:57:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:41,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964248483] [2020-11-30 00:57:41,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:57:41,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:57:41,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350528021] [2020-11-30 00:57:41,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:57:41,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:57:41,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:57:41,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:57:41,466 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2020-11-30 00:57:41,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:57:41,480 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2020-11-30 00:57:41,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:57:41,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-30 00:57:41,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:57:41,486 INFO L225 Difference]: With dead ends: 85 [2020-11-30 00:57:41,486 INFO L226 Difference]: Without dead ends: 40 [2020-11-30 00:57:41,487 INFO L677 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 [2020-11-30 00:57:41,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-30 00:57:41,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-30 00:57:41,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-30 00:57:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2020-11-30 00:57:41,495 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2020-11-30 00:57:41,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:57:41,496 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2020-11-30 00:57:41,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:57:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-11-30 00:57:41,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:57:41,498 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:57:41,498 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:57:41,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:57:41,499 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:57:41,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:57:41,500 INFO L82 PathProgramCache]: Analyzing trace with hash 483095041, now seen corresponding path program 1 times [2020-11-30 00:57:41,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:57:41,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831986219] [2020-11-30 00:57:41,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:57:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:41,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831986219] [2020-11-30 00:57:41,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:57:41,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:57:41,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29042719] [2020-11-30 00:57:41,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:57:41,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:57:41,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:57:41,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:57:41,614 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2020-11-30 00:57:41,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:57:41,634 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2020-11-30 00:57:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:57:41,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-30 00:57:41,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:57:41,639 INFO L225 Difference]: With dead ends: 106 [2020-11-30 00:57:41,639 INFO L226 Difference]: Without dead ends: 73 [2020-11-30 00:57:41,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:57:41,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-30 00:57:41,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-11-30 00:57:41,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-30 00:57:41,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2020-11-30 00:57:41,663 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2020-11-30 00:57:41,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:57:41,664 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2020-11-30 00:57:41,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:57:41,664 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2020-11-30 00:57:41,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:57:41,665 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:57:41,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:57:41,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:57:41,666 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:57:41,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:57:41,666 INFO L82 PathProgramCache]: Analyzing trace with hash -2057617797, now seen corresponding path program 1 times [2020-11-30 00:57:41,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:57:41,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145627049] [2020-11-30 00:57:41,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:57:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:41,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145627049] [2020-11-30 00:57:41,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:57:41,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:57:41,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220359042] [2020-11-30 00:57:41,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:57:41,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:57:41,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:57:41,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:57:41,784 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2020-11-30 00:57:41,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:57:41,861 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2020-11-30 00:57:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:57:41,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-30 00:57:41,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:57:41,863 INFO L225 Difference]: With dead ends: 178 [2020-11-30 00:57:41,864 INFO L226 Difference]: Without dead ends: 116 [2020-11-30 00:57:41,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:57:41,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-11-30 00:57:41,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-11-30 00:57:41,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-11-30 00:57:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2020-11-30 00:57:41,883 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2020-11-30 00:57:41,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:57:41,883 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2020-11-30 00:57:41,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:57:41,883 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2020-11-30 00:57:41,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 00:57:41,885 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:57:41,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:57:41,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:57:41,885 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:57:41,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:57:41,891 INFO L82 PathProgramCache]: Analyzing trace with hash 214615626, now seen corresponding path program 1 times [2020-11-30 00:57:41,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:57:41,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521178708] [2020-11-30 00:57:41,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:57:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:42,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521178708] [2020-11-30 00:57:42,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:57:42,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:57:42,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226639910] [2020-11-30 00:57:42,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:57:42,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:57:42,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:57:42,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:57:42,005 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2020-11-30 00:57:42,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:57:42,184 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2020-11-30 00:57:42,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:57:42,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-11-30 00:57:42,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:57:42,187 INFO L225 Difference]: With dead ends: 405 [2020-11-30 00:57:42,187 INFO L226 Difference]: Without dead ends: 298 [2020-11-30 00:57:42,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:57:42,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-11-30 00:57:42,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2020-11-30 00:57:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-11-30 00:57:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2020-11-30 00:57:42,210 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2020-11-30 00:57:42,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:57:42,211 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2020-11-30 00:57:42,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:57:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2020-11-30 00:57:42,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:57:42,212 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:57:42,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:57:42,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:57:42,213 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:57:42,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:57:42,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1855288842, now seen corresponding path program 1 times [2020-11-30 00:57:42,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:57:42,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472398359] [2020-11-30 00:57:42,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:57:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:42,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472398359] [2020-11-30 00:57:42,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:57:42,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:57:42,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113641023] [2020-11-30 00:57:42,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:57:42,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:57:42,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:57:42,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:57:42,331 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2020-11-30 00:57:42,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:57:42,388 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2020-11-30 00:57:42,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:57:42,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-30 00:57:42,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:57:42,390 INFO L225 Difference]: With dead ends: 304 [2020-11-30 00:57:42,390 INFO L226 Difference]: Without dead ends: 199 [2020-11-30 00:57:42,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:57:42,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-11-30 00:57:42,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2020-11-30 00:57:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-11-30 00:57:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2020-11-30 00:57:42,424 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2020-11-30 00:57:42,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:57:42,427 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2020-11-30 00:57:42,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:57:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2020-11-30 00:57:42,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:57:42,428 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:57:42,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:57:42,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:57:42,429 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:57:42,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:57:42,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1738613876, now seen corresponding path program 1 times [2020-11-30 00:57:42,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:57:42,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761520361] [2020-11-30 00:57:42,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:57:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:42,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:42,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761520361] [2020-11-30 00:57:42,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:57:42,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:57:42,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316783115] [2020-11-30 00:57:42,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:57:42,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:57:42,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:57:42,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:57:42,486 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2020-11-30 00:57:42,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:57:42,531 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2020-11-30 00:57:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:57:42,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-30 00:57:42,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:57:42,533 INFO L225 Difference]: With dead ends: 283 [2020-11-30 00:57:42,533 INFO L226 Difference]: Without dead ends: 172 [2020-11-30 00:57:42,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:57:42,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-11-30 00:57:42,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 122. [2020-11-30 00:57:42,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-30 00:57:42,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2020-11-30 00:57:42,550 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2020-11-30 00:57:42,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:57:42,550 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2020-11-30 00:57:42,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:57:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2020-11-30 00:57:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:57:42,552 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:57:42,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:57:42,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:57:42,553 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:57:42,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:57:42,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1969547406, now seen corresponding path program 1 times [2020-11-30 00:57:42,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:57:42,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882673297] [2020-11-30 00:57:42,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:57:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:42,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882673297] [2020-11-30 00:57:42,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:57:42,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:57:42,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967080108] [2020-11-30 00:57:42,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:57:42,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:57:42,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:57:42,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:57:42,639 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2020-11-30 00:57:42,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:57:42,671 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2020-11-30 00:57:42,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:57:42,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-30 00:57:42,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:57:42,673 INFO L225 Difference]: With dead ends: 293 [2020-11-30 00:57:42,673 INFO L226 Difference]: Without dead ends: 178 [2020-11-30 00:57:42,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:57:42,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-11-30 00:57:42,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-11-30 00:57:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-11-30 00:57:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2020-11-30 00:57:42,690 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2020-11-30 00:57:42,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:57:42,690 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2020-11-30 00:57:42,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:57:42,691 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2020-11-30 00:57:42,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 00:57:42,692 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:57:42,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:57:42,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:57:42,693 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:57:42,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:57:42,693 INFO L82 PathProgramCache]: Analyzing trace with hash -430787762, now seen corresponding path program 1 times [2020-11-30 00:57:42,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:57:42,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908681447] [2020-11-30 00:57:42,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:57:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:42,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908681447] [2020-11-30 00:57:42,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:57:42,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:57:42,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211767158] [2020-11-30 00:57:42,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:57:42,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:57:42,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:57:42,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:57:42,852 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 7 states. [2020-11-30 00:57:43,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:57:43,148 INFO L93 Difference]: Finished difference Result 855 states and 1180 transitions. [2020-11-30 00:57:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 00:57:43,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-11-30 00:57:43,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:57:43,153 INFO L225 Difference]: With dead ends: 855 [2020-11-30 00:57:43,153 INFO L226 Difference]: Without dead ends: 740 [2020-11-30 00:57:43,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-11-30 00:57:43,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-11-30 00:57:43,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 310. [2020-11-30 00:57:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-30 00:57:43,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 415 transitions. [2020-11-30 00:57:43,194 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 415 transitions. Word has length 34 [2020-11-30 00:57:43,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:57:43,196 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 415 transitions. [2020-11-30 00:57:43,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:57:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 415 transitions. [2020-11-30 00:57:43,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-30 00:57:43,200 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:57:43,201 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:57:43,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:57:43,201 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:57:43,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:57:43,202 INFO L82 PathProgramCache]: Analyzing trace with hash -696664017, now seen corresponding path program 1 times [2020-11-30 00:57:43,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:57:43,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199727286] [2020-11-30 00:57:43,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:57:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:43,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199727286] [2020-11-30 00:57:43,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387423292] [2020-11-30 00:57:43,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:57:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:43,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:57:43,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:57:43,539 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:43,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:57:43,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-11-30 00:57:43,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102021999] [2020-11-30 00:57:43,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 00:57:43,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:57:43,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 00:57:43,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:57:43,547 INFO L87 Difference]: Start difference. First operand 310 states and 415 transitions. Second operand 9 states. [2020-11-30 00:57:43,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:57:43,951 INFO L93 Difference]: Finished difference Result 621 states and 837 transitions. [2020-11-30 00:57:43,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-30 00:57:43,952 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-11-30 00:57:43,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:57:43,953 INFO L225 Difference]: With dead ends: 621 [2020-11-30 00:57:43,953 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:57:43,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-30 00:57:43,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:57:43,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:57:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:57:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:57:43,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-11-30 00:57:43,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:57:43,956 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:57:43,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 00:57:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:57:43,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:57:44,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 00:57:44,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:57:44,307 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2020-11-30 00:57:45,020 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 20 [2020-11-30 00:57:45,220 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2020-11-30 00:57:45,414 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 13 [2020-11-30 00:57:45,595 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2020-11-30 00:57:45,831 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2020-11-30 00:57:46,003 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2020-11-30 00:57:46,260 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2020-11-30 00:57:46,555 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 22 [2020-11-30 00:57:46,725 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2020-11-30 00:57:46,868 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2020-11-30 00:57:47,014 INFO L274 CegarLoopResult]: For program point L927(lines 927 944) no Hoare annotation was computed. [2020-11-30 00:57:47,014 INFO L270 CegarLoopResult]: At program point L927-1(lines 1 947) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse3 (= ~pumpRunning~0 0) .cse2)))) [2020-11-30 00:57:47,014 INFO L274 CegarLoopResult]: For program point L927-2(lines 927 944) no Hoare annotation was computed. [2020-11-30 00:57:47,014 INFO L270 CegarLoopResult]: At program point L927-3(lines 1 947) the Hoare annotation is: false [2020-11-30 00:57:47,015 INFO L274 CegarLoopResult]: For program point L927-4(lines 927 944) no Hoare annotation was computed. [2020-11-30 00:57:47,015 INFO L270 CegarLoopResult]: At program point L927-5(lines 1 947) the Hoare annotation is: false [2020-11-30 00:57:47,015 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:57:47,015 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:57:47,015 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:57:47,015 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:57:47,015 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:57:47,015 INFO L277 CegarLoopResult]: At program point L152(lines 133 155) the Hoare annotation is: true [2020-11-30 00:57:47,015 INFO L270 CegarLoopResult]: At program point L747(lines 747 753) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-11-30 00:57:47,016 INFO L274 CegarLoopResult]: For program point L714(lines 714 720) no Hoare annotation was computed. [2020-11-30 00:57:47,016 INFO L270 CegarLoopResult]: At program point L747-1(lines 747 753) the Hoare annotation is: false [2020-11-30 00:57:47,016 INFO L274 CegarLoopResult]: For program point L714-1(lines 714 720) no Hoare annotation was computed. [2020-11-30 00:57:47,016 INFO L270 CegarLoopResult]: At program point L747-2(lines 747 753) the Hoare annotation is: false [2020-11-30 00:57:47,016 INFO L274 CegarLoopResult]: For program point L714-2(lines 714 720) no Hoare annotation was computed. [2020-11-30 00:57:47,016 INFO L274 CegarLoopResult]: For program point L599(lines 599 612) no Hoare annotation was computed. [2020-11-30 00:57:47,016 INFO L270 CegarLoopResult]: At program point L880(lines 865 883) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2020-11-30 00:57:47,016 INFO L270 CegarLoopResult]: At program point L880-1(lines 865 883) the Hoare annotation is: false [2020-11-30 00:57:47,016 INFO L270 CegarLoopResult]: At program point L880-2(lines 865 883) the Hoare annotation is: false [2020-11-30 00:57:47,016 INFO L274 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-11-30 00:57:47,017 INFO L270 CegarLoopResult]: At program point L617(lines 568 618) the Hoare annotation is: false [2020-11-30 00:57:47,017 INFO L274 CegarLoopResult]: For program point L931(lines 931 941) no Hoare annotation was computed. [2020-11-30 00:57:47,017 INFO L274 CegarLoopResult]: For program point L931-2(lines 931 941) no Hoare annotation was computed. [2020-11-30 00:57:47,017 INFO L274 CegarLoopResult]: For program point L931-4(lines 931 941) no Hoare annotation was computed. [2020-11-30 00:57:47,017 INFO L274 CegarLoopResult]: For program point L932(lines 932 938) no Hoare annotation was computed. [2020-11-30 00:57:47,017 INFO L274 CegarLoopResult]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2020-11-30 00:57:47,017 INFO L274 CegarLoopResult]: For program point L932-4(lines 932 938) no Hoare annotation was computed. [2020-11-30 00:57:47,017 INFO L270 CegarLoopResult]: At program point L916(lines 740 746) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2020-11-30 00:57:47,017 INFO L270 CegarLoopResult]: At program point L916-1(lines 740 746) the Hoare annotation is: false [2020-11-30 00:57:47,017 INFO L270 CegarLoopResult]: At program point L916-2(lines 740 746) the Hoare annotation is: false [2020-11-30 00:57:47,018 INFO L270 CegarLoopResult]: At program point L553(lines 548 556) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:57:47,018 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:57:47,018 INFO L274 CegarLoopResult]: For program point L570(lines 569 616) no Hoare annotation was computed. [2020-11-30 00:57:47,018 INFO L270 CegarLoopResult]: At program point L719(lines 710 723) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2020-11-30 00:57:47,018 INFO L270 CegarLoopResult]: At program point L719-1(lines 710 723) the Hoare annotation is: false [2020-11-30 00:57:47,018 INFO L270 CegarLoopResult]: At program point L719-2(lines 710 723) the Hoare annotation is: false [2020-11-30 00:57:47,018 INFO L274 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-11-30 00:57:47,018 INFO L274 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-11-30 00:57:47,018 INFO L274 CegarLoopResult]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2020-11-30 00:57:47,018 INFO L274 CegarLoopResult]: For program point L637-6(lines 637 641) no Hoare annotation was computed. [2020-11-30 00:57:47,019 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:57:47,019 INFO L274 CegarLoopResult]: For program point L605(lines 605 611) no Hoare annotation was computed. [2020-11-30 00:57:47,019 INFO L270 CegarLoopResult]: At program point L605-1(lines 605 611) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-11-30 00:57:47,019 INFO L274 CegarLoopResult]: For program point L143(lines 143 150) no Hoare annotation was computed. [2020-11-30 00:57:47,019 INFO L277 CegarLoopResult]: At program point L143-1(lines 143 150) the Hoare annotation is: true [2020-11-30 00:57:47,019 INFO L274 CegarLoopResult]: For program point L589(lines 589 595) no Hoare annotation was computed. [2020-11-30 00:57:47,019 INFO L270 CegarLoopResult]: At program point L589-1(lines 589 595) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-11-30 00:57:47,019 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:57:47,020 INFO L274 CegarLoopResult]: For program point L772(lines 772 789) no Hoare annotation was computed. [2020-11-30 00:57:47,020 INFO L274 CegarLoopResult]: For program point L772-1(lines 772 789) no Hoare annotation was computed. [2020-11-30 00:57:47,020 INFO L270 CegarLoopResult]: At program point L706(lines 701 709) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2) (and .cse3 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2)))) [2020-11-30 00:57:47,020 INFO L274 CegarLoopResult]: For program point L772-2(lines 772 789) no Hoare annotation was computed. [2020-11-30 00:57:47,020 INFO L270 CegarLoopResult]: At program point L706-1(lines 701 709) the Hoare annotation is: false [2020-11-30 00:57:47,020 INFO L270 CegarLoopResult]: At program point L706-2(lines 701 709) the Hoare annotation is: false [2020-11-30 00:57:47,020 INFO L274 CegarLoopResult]: For program point L888(lines 888 894) no Hoare annotation was computed. [2020-11-30 00:57:47,020 INFO L270 CegarLoopResult]: At program point L888-1(lines 888 894) the Hoare annotation is: (and (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:57:47,020 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-30 00:57:47,020 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-30 00:57:47,021 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-30 00:57:47,021 INFO L270 CegarLoopResult]: At program point L740(lines 736 758) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-11-30 00:57:47,021 INFO L270 CegarLoopResult]: At program point L740-1(lines 736 758) the Hoare annotation is: false [2020-11-30 00:57:47,021 INFO L270 CegarLoopResult]: At program point L740-2(lines 736 758) the Hoare annotation is: false [2020-11-30 00:57:47,021 INFO L270 CegarLoopResult]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2020-11-30 00:57:47,021 INFO L270 CegarLoopResult]: At program point L906(lines 901 908) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:57:47,021 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-30 00:57:47,021 INFO L270 CegarLoopResult]: At program point L114(lines 110 116) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:57:47,023 INFO L274 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2020-11-30 00:57:47,023 INFO L274 CegarLoopResult]: For program point L874-2(lines 874 878) no Hoare annotation was computed. [2020-11-30 00:57:47,023 INFO L274 CegarLoopResult]: For program point L874-3(lines 874 878) no Hoare annotation was computed. [2020-11-30 00:57:47,024 INFO L274 CegarLoopResult]: For program point L874-5(lines 874 878) no Hoare annotation was computed. [2020-11-30 00:57:47,024 INFO L274 CegarLoopResult]: For program point L874-6(lines 874 878) no Hoare annotation was computed. [2020-11-30 00:57:47,024 INFO L274 CegarLoopResult]: For program point L874-8(lines 874 878) no Hoare annotation was computed. [2020-11-30 00:57:47,024 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:57:47,024 INFO L270 CegarLoopResult]: At program point L825(lines 820 828) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse0 (or (<= ~waterLevel~0 1) .cse4)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1)))) [2020-11-30 00:57:47,024 INFO L270 CegarLoopResult]: At program point L825-1(lines 820 828) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2020-11-30 00:57:47,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:57:47,025 INFO L270 CegarLoopResult]: At program point L825-2(lines 820 828) the Hoare annotation is: false [2020-11-30 00:57:47,025 INFO L270 CegarLoopResult]: At program point L825-3(lines 820 828) the Hoare annotation is: false [2020-11-30 00:57:47,025 INFO L270 CegarLoopResult]: At program point L825-4(lines 820 828) the Hoare annotation is: false [2020-11-30 00:57:47,025 INFO L270 CegarLoopResult]: At program point L825-5(lines 820 828) the Hoare annotation is: false [2020-11-30 00:57:47,025 INFO L274 CegarLoopResult]: For program point L776(lines 776 784) no Hoare annotation was computed. [2020-11-30 00:57:47,026 INFO L274 CegarLoopResult]: For program point L776-1(lines 776 784) no Hoare annotation was computed. [2020-11-30 00:57:47,026 INFO L274 CegarLoopResult]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2020-11-30 00:57:47,026 INFO L270 CegarLoopResult]: At program point L545(lines 1 947) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:57:47,026 INFO L274 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-11-30 00:57:47,026 INFO L274 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-11-30 00:57:47,026 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-30 00:57:47,026 INFO L270 CegarLoopResult]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-11-30 00:57:47,027 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-11-30 00:57:47,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:57:47 BoogieIcfgContainer [2020-11-30 00:57:47,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:57:47,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:57:47,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:57:47,053 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:57:47,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:57:40" (3/4) ... [2020-11-30 00:57:47,056 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:57:47,073 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:57:47,074 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:57:47,075 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:57:47,076 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:57:47,077 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:57:47,077 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:57:47,078 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:57:47,102 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && splverifierCounter == 0) && \result == 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:57:47,103 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-11-30 00:57:47,103 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-11-30 00:57:47,104 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-11-30 00:57:47,104 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && splverifierCounter == 0) [2020-11-30 00:57:47,105 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-11-30 00:57:47,105 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:57:47,105 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-11-30 00:57:47,106 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 2 == waterLevel) && \result == 2) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-11-30 00:57:47,107 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:57:47,107 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-11-30 00:57:47,108 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:57:47,175 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d695a712-2020-468e-9fff-7a8bfc49e347/bin/uautomizer/witness.graphml [2020-11-30 00:57:47,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:57:47,177 INFO L168 Benchmark]: Toolchain (without parser) took 8233.69 ms. Allocated memory was 92.3 MB in the beginning and 161.5 MB in the end (delta: 69.2 MB). Free memory was 59.6 MB in the beginning and 119.4 MB in the end (delta: -59.8 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:47,177 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 69.2 MB. Free memory was 31.7 MB in the beginning and 31.7 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:57:47,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.96 ms. Allocated memory is still 92.3 MB. Free memory was 59.4 MB in the beginning and 58.9 MB in the end (delta: 552.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:47,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.65 ms. Allocated memory is still 92.3 MB. Free memory was 58.9 MB in the beginning and 55.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:47,179 INFO L168 Benchmark]: Boogie Preprocessor took 37.54 ms. Allocated memory is still 92.3 MB. Free memory was 55.6 MB in the beginning and 53.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:47,179 INFO L168 Benchmark]: RCFGBuilder took 960.72 ms. Allocated memory is still 92.3 MB. Free memory was 53.0 MB in the beginning and 37.5 MB in the end (delta: 15.5 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:47,179 INFO L168 Benchmark]: TraceAbstraction took 6369.87 ms. Allocated memory was 92.3 MB in the beginning and 161.5 MB in the end (delta: 69.2 MB). Free memory was 37.0 MB in the beginning and 126.7 MB in the end (delta: -89.7 MB). Peak memory consumption was 58.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:47,180 INFO L168 Benchmark]: Witness Printer took 123.56 ms. Allocated memory is still 161.5 MB. Free memory was 126.7 MB in the beginning and 119.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:47,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 69.2 MB. Free memory was 31.7 MB in the beginning and 31.7 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 654.96 ms. Allocated memory is still 92.3 MB. Free memory was 59.4 MB in the beginning and 58.9 MB in the end (delta: 552.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.65 ms. Allocated memory is still 92.3 MB. Free memory was 58.9 MB in the beginning and 55.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.54 ms. Allocated memory is still 92.3 MB. Free memory was 55.6 MB in the beginning and 53.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 960.72 ms. Allocated memory is still 92.3 MB. Free memory was 53.0 MB in the beginning and 37.5 MB in the end (delta: 15.5 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6369.87 ms. Allocated memory was 92.3 MB in the beginning and 161.5 MB in the end (delta: 69.2 MB). Free memory was 37.0 MB in the beginning and 126.7 MB in the end (delta: -89.7 MB). Peak memory consumption was 58.5 MB. Max. memory is 16.1 GB. * Witness Printer took 123.56 ms. Allocated memory is still 161.5 MB. Free memory was 126.7 MB in the beginning and 119.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && splverifierCounter == 0) && \result == 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 2 == waterLevel) && \result == 2) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((waterLevel <= 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 92 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 847 SDtfs, 1079 SDslu, 1398 SDs, 0 SdLazy, 241 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 753 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 182 NumberOfFragments, 568 HoareAnnotationTreeSize, 39 FomulaSimplifications, 38477 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 39 FomulaSimplificationsInter, 9378 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 27835 SizeOfPredicates, 4 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...