./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 420052417c34af57247f22c0bc8935a6e484860c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:17,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:17,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:17,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:17,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:17,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:17,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:17,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:17,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:17,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:17,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:17,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:17,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:17,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:17,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:17,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:17,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:17,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:17,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:17,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:17,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:17,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:17,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:17,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:17,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:17,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:17,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:17,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:17,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:17,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:17,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:17,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:17,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:17,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:17,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:17,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:17,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:17,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:17,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:17,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:17,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:17,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:54:17,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:17,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:17,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:17,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:17,980 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:17,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:17,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:17,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:17,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:17,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:17,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:17,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:17,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:17,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:17,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:17,982 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:17,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:17,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:17,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:17,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:17,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:17,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:17,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:17,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:17,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:17,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:17,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:54:17,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:17,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/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(__VERIFIER_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 -> 420052417c34af57247f22c0bc8935a6e484860c [2019-10-22 08:54:18,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:18,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:18,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:18,032 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:18,032 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:18,033 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2019-10-22 08:54:18,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer/data/9841b641e/e20378294dd74512b9519312750ccdeb/FLAG4351c3ea3 [2019-10-22 08:54:18,489 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:18,490 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2019-10-22 08:54:18,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer/data/9841b641e/e20378294dd74512b9519312750ccdeb/FLAG4351c3ea3 [2019-10-22 08:54:18,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer/data/9841b641e/e20378294dd74512b9519312750ccdeb [2019-10-22 08:54:18,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:18,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:18,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:18,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:18,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:18,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:18" (1/1) ... [2019-10-22 08:54:18,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcd7b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:18, skipping insertion in model container [2019-10-22 08:54:18,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:18" (1/1) ... [2019-10-22 08:54:18,529 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:18,562 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:18,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:18,911 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:18,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:19,014 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:19,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19 WrapperNode [2019-10-22 08:54:19,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:19,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:19,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:19,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:19,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19" (1/1) ... [2019-10-22 08:54:19,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19" (1/1) ... [2019-10-22 08:54:19,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:19,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:19,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:19,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:19,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19" (1/1) ... [2019-10-22 08:54:19,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19" (1/1) ... [2019-10-22 08:54:19,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19" (1/1) ... [2019-10-22 08:54:19,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19" (1/1) ... [2019-10-22 08:54:19,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19" (1/1) ... [2019-10-22 08:54:19,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19" (1/1) ... [2019-10-22 08:54:19,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19" (1/1) ... [2019-10-22 08:54:19,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:19,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:19,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:19,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:19,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/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 [2019-10-22 08:54:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:54:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:19,987 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:19,987 INFO L284 CfgBuilder]: Removed 176 assume(true) statements. [2019-10-22 08:54:19,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:19 BoogieIcfgContainer [2019-10-22 08:54:19,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:19,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:19,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:19,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:19,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:18" (1/3) ... [2019-10-22 08:54:19,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5693c907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:19, skipping insertion in model container [2019-10-22 08:54:19,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19" (2/3) ... [2019-10-22 08:54:19,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5693c907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:19, skipping insertion in model container [2019-10-22 08:54:19,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:19" (3/3) ... [2019-10-22 08:54:19,997 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2019-10-22 08:54:20,006 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:20,015 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:54:20,022 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:54:20,043 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:20,044 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:20,044 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:20,044 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:20,045 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:20,045 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:20,045 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:20,045 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:20,067 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2019-10-22 08:54:20,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:54:20,075 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:20,076 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:20,077 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:20,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:20,083 INFO L82 PathProgramCache]: Analyzing trace with hash -570084669, now seen corresponding path program 1 times [2019-10-22 08:54:20,089 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:20,089 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105692523] [2019-10-22 08:54:20,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:20,254 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105692523] [2019-10-22 08:54:20,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:20,255 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:20,255 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707971062] [2019-10-22 08:54:20,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:54:20,261 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:20,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:54:20,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:20,275 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2019-10-22 08:54:20,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:20,308 INFO L93 Difference]: Finished difference Result 237 states and 358 transitions. [2019-10-22 08:54:20,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:54:20,310 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 08:54:20,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:20,323 INFO L225 Difference]: With dead ends: 237 [2019-10-22 08:54:20,323 INFO L226 Difference]: Without dead ends: 118 [2019-10-22 08:54:20,326 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:20,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-10-22 08:54:20,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-10-22 08:54:20,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-22 08:54:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2019-10-22 08:54:20,373 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2019-10-22 08:54:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:20,374 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2019-10-22 08:54:20,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:54:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2019-10-22 08:54:20,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 08:54:20,375 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:20,375 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:20,375 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:20,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:20,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1235934884, now seen corresponding path program 1 times [2019-10-22 08:54:20,376 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:20,376 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463585123] [2019-10-22 08:54:20,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:20,501 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463585123] [2019-10-22 08:54:20,501 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:20,501 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:20,501 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077956164] [2019-10-22 08:54:20,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:20,509 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:20,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:20,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:20,510 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand 3 states. [2019-10-22 08:54:20,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:20,527 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2019-10-22 08:54:20,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:20,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 08:54:20,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:20,531 INFO L225 Difference]: With dead ends: 118 [2019-10-22 08:54:20,531 INFO L226 Difference]: Without dead ends: 51 [2019-10-22 08:54:20,532 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:20,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-10-22 08:54:20,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-10-22 08:54:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-10-22 08:54:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-10-22 08:54:20,539 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2019-10-22 08:54:20,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:20,539 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-10-22 08:54:20,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-10-22 08:54:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:54:20,540 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:20,540 INFO L380 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] [2019-10-22 08:54:20,540 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:20,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:20,541 INFO L82 PathProgramCache]: Analyzing trace with hash -807039390, now seen corresponding path program 1 times [2019-10-22 08:54:20,541 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:20,541 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077685483] [2019-10-22 08:54:20,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:20,611 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077685483] [2019-10-22 08:54:20,611 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:20,611 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:20,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951509815] [2019-10-22 08:54:20,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:20,612 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:20,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:20,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:20,612 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2019-10-22 08:54:20,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:20,669 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2019-10-22 08:54:20,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:20,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 08:54:20,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:20,671 INFO L225 Difference]: With dead ends: 139 [2019-10-22 08:54:20,671 INFO L226 Difference]: Without dead ends: 95 [2019-10-22 08:54:20,671 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:20,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-22 08:54:20,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2019-10-22 08:54:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-10-22 08:54:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2019-10-22 08:54:20,684 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2019-10-22 08:54:20,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:20,685 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2019-10-22 08:54:20,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2019-10-22 08:54:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 08:54:20,686 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:20,686 INFO L380 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] [2019-10-22 08:54:20,686 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:20,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:20,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1166251271, now seen corresponding path program 1 times [2019-10-22 08:54:20,687 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:20,687 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552992089] [2019-10-22 08:54:20,687 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,687 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:20,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552992089] [2019-10-22 08:54:20,773 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:20,773 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:20,774 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540273806] [2019-10-22 08:54:20,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:20,774 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:20,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:20,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:20,775 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand 3 states. [2019-10-22 08:54:20,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:20,811 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2019-10-22 08:54:20,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:20,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-22 08:54:20,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:20,813 INFO L225 Difference]: With dead ends: 222 [2019-10-22 08:54:20,813 INFO L226 Difference]: Without dead ends: 138 [2019-10-22 08:54:20,814 INFO L600 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 [2019-10-22 08:54:20,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-22 08:54:20,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2019-10-22 08:54:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-22 08:54:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2019-10-22 08:54:20,825 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2019-10-22 08:54:20,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:20,825 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2019-10-22 08:54:20,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2019-10-22 08:54:20,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 08:54:20,826 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:20,826 INFO L380 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] [2019-10-22 08:54:20,827 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:20,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:20,827 INFO L82 PathProgramCache]: Analyzing trace with hash -237845909, now seen corresponding path program 1 times [2019-10-22 08:54:20,827 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:20,827 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309470785] [2019-10-22 08:54:20,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:20,924 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309470785] [2019-10-22 08:54:20,925 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:20,925 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:54:20,925 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134463302] [2019-10-22 08:54:20,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:54:20,926 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:20,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:54:20,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:20,926 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 5 states. [2019-10-22 08:54:21,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:21,109 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2019-10-22 08:54:21,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:54:21,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-10-22 08:54:21,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:21,112 INFO L225 Difference]: With dead ends: 475 [2019-10-22 08:54:21,112 INFO L226 Difference]: Without dead ends: 346 [2019-10-22 08:54:21,113 INFO L600 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 [2019-10-22 08:54:21,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-10-22 08:54:21,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2019-10-22 08:54:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-22 08:54:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2019-10-22 08:54:21,139 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2019-10-22 08:54:21,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:21,139 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2019-10-22 08:54:21,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:54:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2019-10-22 08:54:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:54:21,143 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:21,145 INFO L380 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] [2019-10-22 08:54:21,145 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:21,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:21,145 INFO L82 PathProgramCache]: Analyzing trace with hash -2058108952, now seen corresponding path program 1 times [2019-10-22 08:54:21,146 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:21,146 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872837999] [2019-10-22 08:54:21,146 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,146 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:21,239 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872837999] [2019-10-22 08:54:21,239 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:21,239 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:54:21,239 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433357129] [2019-10-22 08:54:21,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:54:21,240 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:21,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:54:21,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:21,240 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand 5 states. [2019-10-22 08:54:21,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:21,330 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2019-10-22 08:54:21,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:21,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 08:54:21,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:21,333 INFO L225 Difference]: With dead ends: 363 [2019-10-22 08:54:21,333 INFO L226 Difference]: Without dead ends: 236 [2019-10-22 08:54:21,334 INFO L600 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 [2019-10-22 08:54:21,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-10-22 08:54:21,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2019-10-22 08:54:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-22 08:54:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2019-10-22 08:54:21,365 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2019-10-22 08:54:21,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:21,365 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2019-10-22 08:54:21,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:54:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2019-10-22 08:54:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:54:21,366 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:21,367 INFO L380 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] [2019-10-22 08:54:21,367 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:21,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:21,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1357044374, now seen corresponding path program 1 times [2019-10-22 08:54:21,367 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:21,368 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638768297] [2019-10-22 08:54:21,368 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,368 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:21,415 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638768297] [2019-10-22 08:54:21,415 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:21,415 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:54:21,416 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605891356] [2019-10-22 08:54:21,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:21,416 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:21,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:21,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:21,417 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand 4 states. [2019-10-22 08:54:21,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:21,464 INFO L93 Difference]: Finished difference Result 351 states and 482 transitions. [2019-10-22 08:54:21,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:21,464 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-10-22 08:54:21,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:21,466 INFO L225 Difference]: With dead ends: 351 [2019-10-22 08:54:21,466 INFO L226 Difference]: Without dead ends: 212 [2019-10-22 08:54:21,466 INFO L600 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 [2019-10-22 08:54:21,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-10-22 08:54:21,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 154. [2019-10-22 08:54:21,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-10-22 08:54:21,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2019-10-22 08:54:21,490 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2019-10-22 08:54:21,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:21,491 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2019-10-22 08:54:21,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2019-10-22 08:54:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:54:21,492 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:21,492 INFO L380 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] [2019-10-22 08:54:21,492 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:21,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:21,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1943850388, now seen corresponding path program 1 times [2019-10-22 08:54:21,496 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:21,496 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754412419] [2019-10-22 08:54:21,496 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,497 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:21,553 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754412419] [2019-10-22 08:54:21,553 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:21,553 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:21,553 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451634688] [2019-10-22 08:54:21,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:21,554 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:21,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:21,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:21,554 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand 3 states. [2019-10-22 08:54:21,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:21,609 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2019-10-22 08:54:21,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:21,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 08:54:21,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:21,611 INFO L225 Difference]: With dead ends: 359 [2019-10-22 08:54:21,611 INFO L226 Difference]: Without dead ends: 212 [2019-10-22 08:54:21,611 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:21,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-10-22 08:54:21,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2019-10-22 08:54:21,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-10-22 08:54:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2019-10-22 08:54:21,636 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2019-10-22 08:54:21,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:21,637 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2019-10-22 08:54:21,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2019-10-22 08:54:21,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 08:54:21,642 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:21,643 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:21,643 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:21,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:21,643 INFO L82 PathProgramCache]: Analyzing trace with hash 955170732, now seen corresponding path program 1 times [2019-10-22 08:54:21,643 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:21,643 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965657999] [2019-10-22 08:54:21,644 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,644 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:21,713 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965657999] [2019-10-22 08:54:21,714 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:21,714 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:54:21,714 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140106993] [2019-10-22 08:54:21,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:54:21,714 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:21,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:54:21,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:21,715 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand 6 states. [2019-10-22 08:54:21,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:21,925 INFO L93 Difference]: Finished difference Result 821 states and 1109 transitions. [2019-10-22 08:54:21,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:54:21,926 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-10-22 08:54:21,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:21,928 INFO L225 Difference]: With dead ends: 821 [2019-10-22 08:54:21,928 INFO L226 Difference]: Without dead ends: 674 [2019-10-22 08:54:21,929 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:54:21,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2019-10-22 08:54:21,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 305. [2019-10-22 08:54:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-10-22 08:54:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 398 transitions. [2019-10-22 08:54:21,958 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 398 transitions. Word has length 35 [2019-10-22 08:54:21,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:21,958 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 398 transitions. [2019-10-22 08:54:21,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:54:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 398 transitions. [2019-10-22 08:54:21,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 08:54:21,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:21,960 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:21,960 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:21,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:21,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1911482104, now seen corresponding path program 1 times [2019-10-22 08:54:21,964 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:21,965 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381547964] [2019-10-22 08:54:21,965 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,965 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 08:54:22,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381547964] [2019-10-22 08:54:22,008 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:22,008 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:22,009 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153864123] [2019-10-22 08:54:22,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:22,009 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:22,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:22,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:22,010 INFO L87 Difference]: Start difference. First operand 305 states and 398 transitions. Second operand 3 states. [2019-10-22 08:54:22,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:22,068 INFO L93 Difference]: Finished difference Result 523 states and 682 transitions. [2019-10-22 08:54:22,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:22,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-10-22 08:54:22,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:22,069 INFO L225 Difference]: With dead ends: 523 [2019-10-22 08:54:22,069 INFO L226 Difference]: Without dead ends: 225 [2019-10-22 08:54:22,070 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:22,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-10-22 08:54:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2019-10-22 08:54:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-10-22 08:54:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 282 transitions. [2019-10-22 08:54:22,088 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 282 transitions. Word has length 55 [2019-10-22 08:54:22,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:22,089 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 282 transitions. [2019-10-22 08:54:22,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 282 transitions. [2019-10-22 08:54:22,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 08:54:22,089 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:22,090 INFO L380 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, 1, 1, 1, 1, 1] [2019-10-22 08:54:22,090 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:22,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:22,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1510184545, now seen corresponding path program 1 times [2019-10-22 08:54:22,090 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:22,091 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080486546] [2019-10-22 08:54:22,091 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:22,091 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:22,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:22,149 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080486546] [2019-10-22 08:54:22,149 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645558329] [2019-10-22 08:54:22,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/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 [2019-10-22 08:54:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:22,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:54:22,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:22,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:22,328 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:54:22,328 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-10-22 08:54:22,329 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023986718] [2019-10-22 08:54:22,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 08:54:22,329 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:22,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 08:54:22,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:54:22,330 INFO L87 Difference]: Start difference. First operand 219 states and 282 transitions. Second operand 9 states. [2019-10-22 08:54:22,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:22,565 INFO L93 Difference]: Finished difference Result 439 states and 577 transitions. [2019-10-22 08:54:22,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 08:54:22,565 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-10-22 08:54:22,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:22,565 INFO L225 Difference]: With dead ends: 439 [2019-10-22 08:54:22,565 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:54:22,566 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-10-22 08:54:22,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:54:22,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:54:22,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:54:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:54:22,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-22 08:54:22,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:22,567 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:22,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 08:54:22,567 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:54:22,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:54:22,769 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:54:22,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:54:23,454 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2019-10-22 08:54:23,617 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 32 [2019-10-22 08:54:23,793 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 10 [2019-10-22 08:54:23,975 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2019-10-22 08:54:24,245 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2019-10-22 08:54:24,525 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2019-10-22 08:54:24,783 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2019-10-22 08:54:24,991 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2019-10-22 08:54:25,249 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2019-10-22 08:54:25,459 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2019-10-22 08:54:25,482 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-10-22 08:54:25,482 INFO L443 ceAbstractionStarter]: For program point L729-2(lines 729 735) no Hoare annotation was computed. [2019-10-22 08:54:25,482 INFO L443 ceAbstractionStarter]: For program point L729-4(lines 729 735) no Hoare annotation was computed. [2019-10-22 08:54:25,482 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 315) no Hoare annotation was computed. [2019-10-22 08:54:25,483 INFO L439 ceAbstractionStarter]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 .cse3)) (and (and (and .cse2 .cse3) .cse0) (= 0 ~systemActive~0)) (and .cse4 (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse3)) (and (<= 1 ~switchedOnBeforeTS~0) .cse4 (and .cse1 .cse0 .cse3) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2019-10-22 08:54:25,483 INFO L439 ceAbstractionStarter]: At program point L70-1(lines 70 76) the Hoare annotation is: false [2019-10-22 08:54:25,483 INFO L439 ceAbstractionStarter]: At program point L70-2(lines 70 76) the Hoare annotation is: false [2019-10-22 08:54:25,483 INFO L443 ceAbstractionStarter]: For program point L896(lines 896 900) no Hoare annotation was computed. [2019-10-22 08:54:25,483 INFO L443 ceAbstractionStarter]: For program point L896-3(lines 896 900) no Hoare annotation was computed. [2019-10-22 08:54:25,483 INFO L443 ceAbstractionStarter]: For program point L896-6(lines 896 900) no Hoare annotation was computed. [2019-10-22 08:54:25,484 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-10-22 08:54:25,484 INFO L439 ceAbstractionStarter]: At program point L237-1(lines 237 243) the Hoare annotation is: (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:25,484 INFO L443 ceAbstractionStarter]: For program point L832(lines 832 839) no Hoare annotation was computed. [2019-10-22 08:54:25,484 INFO L446 ceAbstractionStarter]: At program point L832-1(lines 832 839) the Hoare annotation is: true [2019-10-22 08:54:25,484 INFO L443 ceAbstractionStarter]: For program point L271(lines 270 319) no Hoare annotation was computed. [2019-10-22 08:54:25,484 INFO L439 ceAbstractionStarter]: At program point L965(lines 960 968) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 .cse3)) (and (and .cse2 .cse3) .cse0 (= 0 ~systemActive~0)) (and .cse1 .cse4 (<= 2 ~waterLevel~0) .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-10-22 08:54:25,487 INFO L439 ceAbstractionStarter]: At program point L965-1(lines 960 968) the Hoare annotation is: false [2019-10-22 08:54:25,487 INFO L439 ceAbstractionStarter]: At program point L965-2(lines 960 968) the Hoare annotation is: false [2019-10-22 08:54:25,487 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-10-22 08:54:25,487 INFO L439 ceAbstractionStarter]: At program point L933(lines 928 936) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:25,488 INFO L439 ceAbstractionStarter]: At program point L933-1(lines 928 936) the Hoare annotation is: false [2019-10-22 08:54:25,488 INFO L439 ceAbstractionStarter]: At program point L933-2(lines 928 936) the Hoare annotation is: false [2019-10-22 08:54:25,488 INFO L439 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (and .cse2 .cse0 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse5 (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse4) .cse6) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 (and .cse1 .cse0 .cse4) .cse6))) [2019-10-22 08:54:25,488 INFO L439 ceAbstractionStarter]: At program point L174-1(lines 169 177) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-10-22 08:54:25,488 INFO L439 ceAbstractionStarter]: At program point L174-2(lines 169 177) the Hoare annotation is: false [2019-10-22 08:54:25,488 INFO L439 ceAbstractionStarter]: At program point L174-3(lines 169 177) the Hoare annotation is: false [2019-10-22 08:54:25,488 INFO L439 ceAbstractionStarter]: At program point L174-4(lines 169 177) the Hoare annotation is: false [2019-10-22 08:54:25,488 INFO L439 ceAbstractionStarter]: At program point L174-5(lines 169 177) the Hoare annotation is: false [2019-10-22 08:54:25,489 INFO L439 ceAbstractionStarter]: At program point L703(lines 698 705) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:25,489 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 314) no Hoare annotation was computed. [2019-10-22 08:54:25,489 INFO L439 ceAbstractionStarter]: At program point L308-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse1 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3)) (and (and .cse0 .cse4 .cse3) .cse2) (and (and (and .cse4 .cse3) .cse2) (= 0 ~systemActive~0)))) [2019-10-22 08:54:25,489 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2019-10-22 08:54:25,489 INFO L439 ceAbstractionStarter]: At program point L805(lines 801 807) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:25,489 INFO L443 ceAbstractionStarter]: For program point L973(lines 973 979) no Hoare annotation was computed. [2019-10-22 08:54:25,489 INFO L443 ceAbstractionStarter]: For program point L973-1(lines 973 979) no Hoare annotation was computed. [2019-10-22 08:54:25,490 INFO L443 ceAbstractionStarter]: For program point L973-2(lines 973 979) no Hoare annotation was computed. [2019-10-22 08:54:25,490 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2019-10-22 08:54:25,490 INFO L443 ceAbstractionStarter]: For program point L973-3(lines 973 979) no Hoare annotation was computed. [2019-10-22 08:54:25,490 INFO L443 ceAbstractionStarter]: For program point L973-4(lines 973 979) no Hoare annotation was computed. [2019-10-22 08:54:25,490 INFO L446 ceAbstractionStarter]: At program point L841(lines 822 844) the Hoare annotation is: true [2019-10-22 08:54:25,490 INFO L443 ceAbstractionStarter]: For program point L973-5(lines 973 979) no Hoare annotation was computed. [2019-10-22 08:54:25,490 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 286) no Hoare annotation was computed. [2019-10-22 08:54:25,490 INFO L439 ceAbstractionStarter]: At program point L280-1(lines 280 286) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and (and .cse2 (and .cse4 .cse3)) (= 0 ~systemActive~0)) (and .cse1 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3)) (and (and .cse0 .cse4 .cse3) .cse2))) [2019-10-22 08:54:25,490 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-10-22 08:54:25,491 INFO L439 ceAbstractionStarter]: At program point L877(lines 1 982) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:25,491 INFO L439 ceAbstractionStarter]: At program point L713(lines 63 69) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (and .cse2 .cse0 .cse3 .cse4 (= 0 ~systemActive~0)) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (and .cse1 .cse0 .cse4) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2019-10-22 08:54:25,491 INFO L439 ceAbstractionStarter]: At program point L713-1(lines 63 69) the Hoare annotation is: false [2019-10-22 08:54:25,491 INFO L439 ceAbstractionStarter]: At program point L713-2(lines 63 69) the Hoare annotation is: false [2019-10-22 08:54:25,491 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:54:25,491 INFO L439 ceAbstractionStarter]: At program point L978(lines 969 982) the Hoare annotation is: false [2019-10-22 08:54:25,491 INFO L439 ceAbstractionStarter]: At program point L978-1(lines 969 982) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-10-22 08:54:25,491 INFO L439 ceAbstractionStarter]: At program point L978-2(lines 969 982) the Hoare annotation is: false [2019-10-22 08:54:25,492 INFO L439 ceAbstractionStarter]: At program point L978-3(lines 969 982) the Hoare annotation is: false [2019-10-22 08:54:25,492 INFO L439 ceAbstractionStarter]: At program point L978-4(lines 969 982) the Hoare annotation is: false [2019-10-22 08:54:25,492 INFO L439 ceAbstractionStarter]: At program point L978-5(lines 969 982) the Hoare annotation is: false [2019-10-22 08:54:25,492 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2019-10-22 08:54:25,492 INFO L443 ceAbstractionStarter]: For program point L121-1(lines 121 138) no Hoare annotation was computed. [2019-10-22 08:54:25,492 INFO L443 ceAbstractionStarter]: For program point L121-2(lines 121 138) no Hoare annotation was computed. [2019-10-22 08:54:25,492 INFO L439 ceAbstractionStarter]: At program point L320(lines 269 321) the Hoare annotation is: false [2019-10-22 08:54:25,492 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-22 08:54:25,496 INFO L443 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2019-10-22 08:54:25,496 INFO L443 ceAbstractionStarter]: For program point L850-2(line 850) no Hoare annotation was computed. [2019-10-22 08:54:25,496 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:54:25,496 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,496 INFO L443 ceAbstractionStarter]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,496 INFO L443 ceAbstractionStarter]: For program point L223-3(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,496 INFO L443 ceAbstractionStarter]: For program point L223-5(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,496 INFO L443 ceAbstractionStarter]: For program point L223-6(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,497 INFO L443 ceAbstractionStarter]: For program point L223-8(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,497 INFO L443 ceAbstractionStarter]: For program point L223-9(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,497 INFO L443 ceAbstractionStarter]: For program point L223-11(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,497 INFO L443 ceAbstractionStarter]: For program point L223-12(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,497 INFO L443 ceAbstractionStarter]: For program point L223-14(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,497 INFO L443 ceAbstractionStarter]: For program point L223-15(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,497 INFO L443 ceAbstractionStarter]: For program point L223-17(lines 223 227) no Hoare annotation was computed. [2019-10-22 08:54:25,497 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2019-10-22 08:54:25,497 INFO L443 ceAbstractionStarter]: For program point L290(lines 290 296) no Hoare annotation was computed. [2019-10-22 08:54:25,497 INFO L439 ceAbstractionStarter]: At program point L290-1(lines 290 296) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and (and .cse2 (and .cse4 .cse3)) (= 0 ~systemActive~0)) (and .cse1 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3)) (and (and .cse0 .cse4 .cse3) .cse2))) [2019-10-22 08:54:25,498 INFO L443 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2019-10-22 08:54:25,498 INFO L443 ceAbstractionStarter]: For program point L125-1(lines 125 133) no Hoare annotation was computed. [2019-10-22 08:54:25,498 INFO L443 ceAbstractionStarter]: For program point L125-2(lines 125 133) no Hoare annotation was computed. [2019-10-22 08:54:25,498 INFO L439 ceAbstractionStarter]: At program point L885(lines 880 888) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:25,498 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:54:25,498 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 924) no Hoare annotation was computed. [2019-10-22 08:54:25,498 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2019-10-22 08:54:25,498 INFO L443 ceAbstractionStarter]: For program point L95-1(lines 95 112) no Hoare annotation was computed. [2019-10-22 08:54:25,498 INFO L443 ceAbstractionStarter]: For program point L95-2(lines 95 112) no Hoare annotation was computed. [2019-10-22 08:54:25,498 INFO L443 ceAbstractionStarter]: For program point L95-3(lines 95 112) no Hoare annotation was computed. [2019-10-22 08:54:25,498 INFO L443 ceAbstractionStarter]: For program point L95-4(lines 95 112) no Hoare annotation was computed. [2019-10-22 08:54:25,499 INFO L443 ceAbstractionStarter]: For program point L95-5(lines 95 112) no Hoare annotation was computed. [2019-10-22 08:54:25,499 INFO L439 ceAbstractionStarter]: At program point L63(lines 59 81) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (<= ~waterLevel~0 2))) (or (and .cse0 (and .cse1 .cse2 .cse3)) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (and .cse1 .cse0 .cse3) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (and (and (and .cse2 .cse3) .cse0) (= 0 ~systemActive~0)))) [2019-10-22 08:54:25,499 INFO L439 ceAbstractionStarter]: At program point L63-1(lines 59 81) the Hoare annotation is: false [2019-10-22 08:54:25,499 INFO L439 ceAbstractionStarter]: At program point L63-2(lines 59 81) the Hoare annotation is: false [2019-10-22 08:54:25,499 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 741) no Hoare annotation was computed. [2019-10-22 08:54:25,499 INFO L439 ceAbstractionStarter]: At program point L724-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and (and .cse3 (and .cse1 .cse2)) (= 0 ~systemActive~0)) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)))) [2019-10-22 08:54:25,499 INFO L439 ceAbstractionStarter]: At program point L757-2(lines 757 771) the Hoare annotation is: false [2019-10-22 08:54:25,499 INFO L443 ceAbstractionStarter]: For program point L724-2(lines 724 741) no Hoare annotation was computed. [2019-10-22 08:54:25,500 INFO L439 ceAbstractionStarter]: At program point L724-3(lines 1 982) the Hoare annotation is: false [2019-10-22 08:54:25,500 INFO L443 ceAbstractionStarter]: For program point L724-4(lines 724 741) no Hoare annotation was computed. [2019-10-22 08:54:25,500 INFO L439 ceAbstractionStarter]: At program point L724-5(lines 1 982) the Hoare annotation is: false [2019-10-22 08:54:25,500 INFO L439 ceAbstractionStarter]: At program point L229(lines 214 232) the Hoare annotation is: false [2019-10-22 08:54:25,500 INFO L439 ceAbstractionStarter]: At program point L229-1(lines 214 232) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse2 .cse3))) [2019-10-22 08:54:25,500 INFO L439 ceAbstractionStarter]: At program point L229-2(lines 214 232) the Hoare annotation is: false [2019-10-22 08:54:25,500 INFO L439 ceAbstractionStarter]: At program point L229-3(lines 214 232) the Hoare annotation is: false [2019-10-22 08:54:25,500 INFO L439 ceAbstractionStarter]: At program point L229-4(lines 214 232) the Hoare annotation is: false [2019-10-22 08:54:25,500 INFO L439 ceAbstractionStarter]: At program point L229-5(lines 214 232) the Hoare annotation is: false [2019-10-22 08:54:25,500 INFO L443 ceAbstractionStarter]: For program point L758(line 758) no Hoare annotation was computed. [2019-10-22 08:54:25,501 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:54:25,501 INFO L439 ceAbstractionStarter]: At program point L165(lines 158 168) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:25,501 INFO L439 ceAbstractionStarter]: At program point L165-1(lines 158 168) the Hoare annotation is: false [2019-10-22 08:54:25,501 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2019-10-22 08:54:25,501 INFO L439 ceAbstractionStarter]: At program point L165-2(lines 158 168) the Hoare annotation is: false [2019-10-22 08:54:25,501 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 99 107) no Hoare annotation was computed. [2019-10-22 08:54:25,501 INFO L443 ceAbstractionStarter]: For program point L99-2(lines 99 107) no Hoare annotation was computed. [2019-10-22 08:54:25,501 INFO L443 ceAbstractionStarter]: For program point L99-3(lines 99 107) no Hoare annotation was computed. [2019-10-22 08:54:25,501 INFO L443 ceAbstractionStarter]: For program point L99-4(lines 99 107) no Hoare annotation was computed. [2019-10-22 08:54:25,501 INFO L443 ceAbstractionStarter]: For program point L99-5(lines 99 107) no Hoare annotation was computed. [2019-10-22 08:54:25,501 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-10-22 08:54:25,502 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 738) no Hoare annotation was computed. [2019-10-22 08:54:25,502 INFO L443 ceAbstractionStarter]: For program point L761-1(lines 761 765) no Hoare annotation was computed. [2019-10-22 08:54:25,502 INFO L443 ceAbstractionStarter]: For program point L728-2(lines 728 738) no Hoare annotation was computed. [2019-10-22 08:54:25,502 INFO L443 ceAbstractionStarter]: For program point L728-4(lines 728 738) no Hoare annotation was computed. [2019-10-22 08:54:25,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:54:25 BoogieIcfgContainer [2019-10-22 08:54:25,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:54:25,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:25,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:25,535 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:25,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:19" (3/4) ... [2019-10-22 08:54:25,539 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:54:25,556 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:54:25,560 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:54:25,560 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:54:25,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 08:54:25,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:54:25,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:54:25,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || ((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) [2019-10-22 08:54:25,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-10-22 08:54:25,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-10-22 08:54:25,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) [2019-10-22 08:54:25,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) [2019-10-22 08:54:25,596 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) [2019-10-22 08:54:25,596 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) [2019-10-22 08:54:25,596 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) [2019-10-22 08:54:25,597 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-10-22 08:54:25,597 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-10-22 08:54:25,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-10-22 08:54:25,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:54:25,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-10-22 08:54:25,599 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:54:25,648 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ac6bc80e-5bab-4dc8-bad3-aaa0ca6deb69/bin/uautomizer/witness.graphml [2019-10-22 08:54:25,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:25,650 INFO L168 Benchmark]: Toolchain (without parser) took 7135.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 939.1 MB in the beginning and 1.0 GB in the end (delta: -92.7 MB). Peak memory consumption was 94.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:25,650 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:25,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:25,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:25,650 INFO L168 Benchmark]: Boogie Preprocessor took 71.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:25,651 INFO L168 Benchmark]: RCFGBuilder took 840.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:25,651 INFO L168 Benchmark]: TraceAbstraction took 5544.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -5.6 MB). Peak memory consumption was 230.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:25,651 INFO L168 Benchmark]: Witness Printer took 114.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:25,653 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 499.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 840.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5544.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -5.6 MB). Peak memory consumption was 230.5 MB. Max. memory is 11.5 GB. * Witness Printer took 114.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 850]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 850]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 850]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || ((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Result: SAFE, OverallTime: 5.4s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, HoareTripleCheckerStatistics: 1166 SDtfs, 1154 SDslu, 1504 SDs, 0 SdLazy, 264 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred 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, 11 MinimizatonAttempts, 741 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 177 NumberOfFragments, 834 HoareAnnotationTreeSize, 51 FomulaSimplifications, 58624 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 51 FomulaSimplificationsInter, 14297 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 31417 SizeOfPredicates, 4 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 38/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...