./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/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 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:50:13,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:50:13,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:50:13,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:50:13,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:50:14,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:50:14,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:50:14,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:50:14,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:50:14,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:50:14,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:50:14,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:50:14,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:50:14,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:50:14,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:50:14,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:50:14,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:50:14,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:50:14,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:50:14,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:50:14,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:50:14,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:50:14,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:50:14,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:50:14,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:50:14,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:50:14,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:50:14,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:50:14,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:50:14,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:50:14,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:50:14,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:50:14,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:50:14,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:50:14,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:50:14,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:50:14,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:50:14,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:50:14,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:50:14,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:50:14,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:50:14,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:50:14,078 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:50:14,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:50:14,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:50:14,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:50:14,089 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:50:14,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:50:14,089 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:50:14,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:50:14,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:50:14,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:50:14,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:50:14,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:50:14,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:50:14,091 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:50:14,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:50:14,092 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:50:14,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:50:14,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:50:14,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:50:14,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:50:14,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:50:14,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:50:14,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:50:14,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:50:14,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:50:14,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:50:14,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:50:14,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:50:14,095 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/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/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 -> 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 [2019-11-25 08:50:14,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:50:14,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:50:14,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:50:14,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:50:14,277 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:50:14,277 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2019-11-25 08:50:14,327 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/bin/uautomizer/data/38f7bf690/5808a22dd2f0407b81544a67a452d4a1/FLAG8cb98e882 [2019-11-25 08:50:14,694 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:50:14,695 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2019-11-25 08:50:14,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/bin/uautomizer/data/38f7bf690/5808a22dd2f0407b81544a67a452d4a1/FLAG8cb98e882 [2019-11-25 08:50:15,059 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/bin/uautomizer/data/38f7bf690/5808a22dd2f0407b81544a67a452d4a1 [2019-11-25 08:50:15,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:50:15,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:50:15,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:15,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:50:15,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:50:15,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e2b7f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15, skipping insertion in model container [2019-11-25 08:50:15,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:50:15,125 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:50:15,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:15,463 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:50:15,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:15,616 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:50:15,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15 WrapperNode [2019-11-25 08:50:15,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:15,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:15,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:50:15,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:50:15,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:15,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:50:15,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:50:15,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:50:15,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:50:15,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:50:15,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:50:15,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:50:15,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/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 [2019-11-25 08:50:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:50:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:50:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:50:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:50:16,440 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:50:16,440 INFO L284 CfgBuilder]: Removed 110 assume(true) statements. [2019-11-25 08:50:16,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:16 BoogieIcfgContainer [2019-11-25 08:50:16,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:50:16,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:50:16,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:50:16,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:50:16,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:50:15" (1/3) ... [2019-11-25 08:50:16,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efb8c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:16, skipping insertion in model container [2019-11-25 08:50:16,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15" (2/3) ... [2019-11-25 08:50:16,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efb8c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:16, skipping insertion in model container [2019-11-25 08:50:16,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:16" (3/3) ... [2019-11-25 08:50:16,457 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2019-11-25 08:50:16,466 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:50:16,472 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:50:16,482 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:50:16,504 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:50:16,504 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:50:16,504 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:50:16,505 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:50:16,505 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:50:16,505 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:50:16,505 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:50:16,505 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:50:16,522 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-11-25 08:50:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:50:16,528 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:16,529 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:16,529 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:16,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:16,536 INFO L82 PathProgramCache]: Analyzing trace with hash -679137529, now seen corresponding path program 1 times [2019-11-25 08:50:16,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:16,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421302971] [2019-11-25 08:50:16,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:16,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421302971] [2019-11-25 08:50:16,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:16,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:50:16,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520625392] [2019-11-25 08:50:16,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:50:16,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:16,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:50:16,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:50:16,857 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2019-11-25 08:50:16,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:16,893 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2019-11-25 08:50:16,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:50:16,894 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-25 08:50:16,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:16,904 INFO L225 Difference]: With dead ends: 167 [2019-11-25 08:50:16,904 INFO L226 Difference]: Without dead ends: 83 [2019-11-25 08:50:16,907 INFO L630 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 [2019-11-25 08:50:16,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-25 08:50:16,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-11-25 08:50:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-25 08:50:16,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2019-11-25 08:50:16,945 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2019-11-25 08:50:16,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:16,946 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2019-11-25 08:50:16,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:50:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2019-11-25 08:50:16,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-25 08:50:16,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:16,947 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:16,948 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:16,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:16,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1126882024, now seen corresponding path program 1 times [2019-11-25 08:50:16,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:16,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20833763] [2019-11-25 08:50:16,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:17,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20833763] [2019-11-25 08:50:17,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:17,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:50:17,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610611573] [2019-11-25 08:50:17,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:50:17,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:17,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:50:17,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:50:17,052 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2019-11-25 08:50:17,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:17,068 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2019-11-25 08:50:17,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:50:17,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-25 08:50:17,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:17,071 INFO L225 Difference]: With dead ends: 83 [2019-11-25 08:50:17,073 INFO L226 Difference]: Without dead ends: 38 [2019-11-25 08:50:17,074 INFO L630 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 [2019-11-25 08:50:17,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-25 08:50:17,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-25 08:50:17,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-25 08:50:17,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2019-11-25 08:50:17,085 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2019-11-25 08:50:17,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:17,087 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2019-11-25 08:50:17,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:50:17,087 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2019-11-25 08:50:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:50:17,090 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:17,090 INFO L410 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] [2019-11-25 08:50:17,090 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:17,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:17,091 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2019-11-25 08:50:17,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:17,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681076979] [2019-11-25 08:50:17,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:17,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681076979] [2019-11-25 08:50:17,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:17,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:50:17,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690575869] [2019-11-25 08:50:17,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:50:17,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:17,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:50:17,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:50:17,206 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2019-11-25 08:50:17,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:17,212 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2019-11-25 08:50:17,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:50:17,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-25 08:50:17,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:17,214 INFO L225 Difference]: With dead ends: 69 [2019-11-25 08:50:17,214 INFO L226 Difference]: Without dead ends: 38 [2019-11-25 08:50:17,215 INFO L630 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 [2019-11-25 08:50:17,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-25 08:50:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-25 08:50:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-25 08:50:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2019-11-25 08:50:17,220 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2019-11-25 08:50:17,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:17,223 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2019-11-25 08:50:17,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:50:17,224 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2019-11-25 08:50:17,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-25 08:50:17,225 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:17,226 INFO L410 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] [2019-11-25 08:50:17,226 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:17,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:17,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2019-11-25 08:50:17,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:17,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912778185] [2019-11-25 08:50:17,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:17,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912778185] [2019-11-25 08:50:17,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:17,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:50:17,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737308094] [2019-11-25 08:50:17,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:50:17,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:17,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:50:17,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:50:17,313 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2019-11-25 08:50:17,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:17,346 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2019-11-25 08:50:17,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:50:17,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-25 08:50:17,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:17,348 INFO L225 Difference]: With dead ends: 93 [2019-11-25 08:50:17,348 INFO L226 Difference]: Without dead ends: 62 [2019-11-25 08:50:17,349 INFO L630 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 [2019-11-25 08:50:17,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-25 08:50:17,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-11-25 08:50:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-25 08:50:17,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2019-11-25 08:50:17,357 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2019-11-25 08:50:17,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:17,358 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2019-11-25 08:50:17,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:50:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-11-25 08:50:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:50:17,359 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:17,359 INFO L410 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] [2019-11-25 08:50:17,359 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:17,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:17,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2019-11-25 08:50:17,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:17,360 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081785024] [2019-11-25 08:50:17,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:17,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:17,423 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081785024] [2019-11-25 08:50:17,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:17,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:50:17,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618738788] [2019-11-25 08:50:17,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:50:17,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:17,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:50:17,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:50:17,424 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2019-11-25 08:50:17,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:17,488 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2019-11-25 08:50:17,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:50:17,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:50:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:17,490 INFO L225 Difference]: With dead ends: 157 [2019-11-25 08:50:17,490 INFO L226 Difference]: Without dead ends: 104 [2019-11-25 08:50:17,490 INFO L630 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 [2019-11-25 08:50:17,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-25 08:50:17,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2019-11-25 08:50:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-25 08:50:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2019-11-25 08:50:17,507 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2019-11-25 08:50:17,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:17,508 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2019-11-25 08:50:17,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:50:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2019-11-25 08:50:17,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:50:17,513 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:17,513 INFO L410 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] [2019-11-25 08:50:17,513 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:17,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:17,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2019-11-25 08:50:17,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:17,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481884834] [2019-11-25 08:50:17,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:17,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481884834] [2019-11-25 08:50:17,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:17,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:50:17,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231696194] [2019-11-25 08:50:17,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:50:17,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:17,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:50:17,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:50:17,600 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2019-11-25 08:50:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:17,705 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2019-11-25 08:50:17,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:50:17,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:50:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:17,707 INFO L225 Difference]: With dead ends: 216 [2019-11-25 08:50:17,707 INFO L226 Difference]: Without dead ends: 160 [2019-11-25 08:50:17,708 INFO L630 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 [2019-11-25 08:50:17,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-25 08:50:17,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2019-11-25 08:50:17,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-25 08:50:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2019-11-25 08:50:17,718 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2019-11-25 08:50:17,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:17,719 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2019-11-25 08:50:17,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:50:17,719 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2019-11-25 08:50:17,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:50:17,720 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:17,720 INFO L410 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] [2019-11-25 08:50:17,721 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:17,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:17,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2019-11-25 08:50:17,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:17,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684359410] [2019-11-25 08:50:17,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:17,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:17,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684359410] [2019-11-25 08:50:17,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:17,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:50:17,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851631842] [2019-11-25 08:50:17,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:50:17,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:17,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:50:17,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:50:17,793 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2019-11-25 08:50:17,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:17,869 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2019-11-25 08:50:17,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:50:17,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:50:17,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:17,872 INFO L225 Difference]: With dead ends: 164 [2019-11-25 08:50:17,872 INFO L226 Difference]: Without dead ends: 109 [2019-11-25 08:50:17,873 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:50:17,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-25 08:50:17,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2019-11-25 08:50:17,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-25 08:50:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2019-11-25 08:50:17,883 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2019-11-25 08:50:17,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:17,885 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2019-11-25 08:50:17,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:50:17,886 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-11-25 08:50:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:50:17,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:17,891 INFO L410 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] [2019-11-25 08:50:17,892 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:17,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:17,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2019-11-25 08:50:17,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:17,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045435205] [2019-11-25 08:50:17,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:17,952 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045435205] [2019-11-25 08:50:17,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:17,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:50:17,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805253715] [2019-11-25 08:50:17,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:50:17,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:17,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:50:17,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:50:17,954 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2019-11-25 08:50:17,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:17,989 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2019-11-25 08:50:17,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:50:17,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-25 08:50:17,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:17,991 INFO L225 Difference]: With dead ends: 148 [2019-11-25 08:50:17,991 INFO L226 Difference]: Without dead ends: 91 [2019-11-25 08:50:17,992 INFO L630 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 [2019-11-25 08:50:17,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-25 08:50:18,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-11-25 08:50:18,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-25 08:50:18,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2019-11-25 08:50:18,009 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2019-11-25 08:50:18,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:18,009 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2019-11-25 08:50:18,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:50:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2019-11-25 08:50:18,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:50:18,012 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:18,012 INFO L410 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] [2019-11-25 08:50:18,013 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:18,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:18,013 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2019-11-25 08:50:18,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:18,014 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742631684] [2019-11-25 08:50:18,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:18,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:18,136 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742631684] [2019-11-25 08:50:18,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:18,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:50:18,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8366938] [2019-11-25 08:50:18,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:50:18,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:18,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:50:18,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:50:18,138 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 6 states. [2019-11-25 08:50:18,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:18,366 INFO L93 Difference]: Finished difference Result 327 states and 441 transitions. [2019-11-25 08:50:18,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:50:18,367 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-25 08:50:18,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:18,369 INFO L225 Difference]: With dead ends: 327 [2019-11-25 08:50:18,369 INFO L226 Difference]: Without dead ends: 270 [2019-11-25 08:50:18,370 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:50:18,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-11-25 08:50:18,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 132. [2019-11-25 08:50:18,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-25 08:50:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 170 transitions. [2019-11-25 08:50:18,385 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 170 transitions. Word has length 34 [2019-11-25 08:50:18,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:18,386 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 170 transitions. [2019-11-25 08:50:18,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:50:18,386 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2019-11-25 08:50:18,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-25 08:50:18,387 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:18,387 INFO L410 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] [2019-11-25 08:50:18,388 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:18,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:18,388 INFO L82 PathProgramCache]: Analyzing trace with hash -242371192, now seen corresponding path program 1 times [2019-11-25 08:50:18,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:18,388 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406806985] [2019-11-25 08:50:18,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:18,440 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:18,440 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406806985] [2019-11-25 08:50:18,440 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272783601] [2019-11-25 08:50:18,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/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 [2019-11-25 08:50:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:18,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:50:18,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:18,629 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:18,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:50:18,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-25 08:50:18,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669558667] [2019-11-25 08:50:18,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:50:18,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:18,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:50:18,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:50:18,633 INFO L87 Difference]: Start difference. First operand 132 states and 170 transitions. Second operand 8 states. [2019-11-25 08:50:18,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:18,768 INFO L93 Difference]: Finished difference Result 236 states and 311 transitions. [2019-11-25 08:50:18,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:50:18,769 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-25 08:50:18,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:18,769 INFO L225 Difference]: With dead ends: 236 [2019-11-25 08:50:18,769 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:50:18,770 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:50:18,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:50:18,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:50:18,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:50:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:50:18,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-11-25 08:50:18,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:18,771 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:18,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:50:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:50:18,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:50:18,972 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:50:18,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:50:19,390 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2019-11-25 08:50:19,501 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2019-11-25 08:50:19,650 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2019-11-25 08:50:19,762 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 20 [2019-11-25 08:50:19,914 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-11-25 08:50:20,143 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2019-11-25 08:50:20,299 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2019-11-25 08:50:20,463 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2019-11-25 08:50:20,542 INFO L440 ceAbstractionStarter]: At program point L580-3(lines 575 583) the Hoare annotation is: false [2019-11-25 08:50:20,542 INFO L440 ceAbstractionStarter]: At program point L580-4(lines 575 583) the Hoare annotation is: false [2019-11-25 08:50:20,542 INFO L440 ceAbstractionStarter]: At program point L580-5(lines 575 583) the Hoare annotation is: false [2019-11-25 08:50:20,542 INFO L440 ceAbstractionStarter]: At program point L861(lines 856 864) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-11-25 08:50:20,542 INFO L440 ceAbstractionStarter]: At program point L861-1(lines 856 864) the Hoare annotation is: false [2019-11-25 08:50:20,542 INFO L440 ceAbstractionStarter]: At program point L861-2(lines 856 864) the Hoare annotation is: false [2019-11-25 08:50:20,542 INFO L444 ceAbstractionStarter]: For program point L762(lines 762 769) no Hoare annotation was computed. [2019-11-25 08:50:20,543 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-11-25 08:50:20,543 INFO L447 ceAbstractionStarter]: At program point L762-1(lines 762 769) the Hoare annotation is: true [2019-11-25 08:50:20,543 INFO L444 ceAbstractionStarter]: For program point L531(lines 531 539) no Hoare annotation was computed. [2019-11-25 08:50:20,543 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 531 539) no Hoare annotation was computed. [2019-11-25 08:50:20,543 INFO L444 ceAbstractionStarter]: For program point L531-2(lines 531 539) no Hoare annotation was computed. [2019-11-25 08:50:20,543 INFO L444 ceAbstractionStarter]: For program point L911(lines 911 921) no Hoare annotation was computed. [2019-11-25 08:50:20,543 INFO L444 ceAbstractionStarter]: For program point L911-2(lines 911 921) no Hoare annotation was computed. [2019-11-25 08:50:20,543 INFO L444 ceAbstractionStarter]: For program point L911-4(lines 911 921) no Hoare annotation was computed. [2019-11-25 08:50:20,543 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:50:20,544 INFO L440 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: false [2019-11-25 08:50:20,544 INFO L444 ceAbstractionStarter]: For program point L912(lines 912 918) no Hoare annotation was computed. [2019-11-25 08:50:20,544 INFO L444 ceAbstractionStarter]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2019-11-25 08:50:20,544 INFO L444 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2019-11-25 08:50:20,544 INFO L444 ceAbstractionStarter]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2019-11-25 08:50:20,544 INFO L444 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2019-11-25 08:50:20,544 INFO L444 ceAbstractionStarter]: For program point L780-2(line 780) no Hoare annotation was computed. [2019-11-25 08:50:20,544 INFO L444 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2019-11-25 08:50:20,544 INFO L440 ceAbstractionStarter]: At program point L896(lines 495 501) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-25 08:50:20,545 INFO L440 ceAbstractionStarter]: At program point L896-1(lines 495 501) the Hoare annotation is: false [2019-11-25 08:50:20,545 INFO L440 ceAbstractionStarter]: At program point L896-2(lines 495 501) the Hoare annotation is: false [2019-11-25 08:50:20,545 INFO L440 ceAbstractionStarter]: At program point L665(lines 1 927) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:50:20,545 INFO L440 ceAbstractionStarter]: At program point L502(lines 502 508) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse2))) [2019-11-25 08:50:20,545 INFO L440 ceAbstractionStarter]: At program point L502-1(lines 502 508) the Hoare annotation is: false [2019-11-25 08:50:20,545 INFO L440 ceAbstractionStarter]: At program point L502-2(lines 502 508) the Hoare annotation is: false [2019-11-25 08:50:20,545 INFO L444 ceAbstractionStarter]: For program point L816(lines 816 820) no Hoare annotation was computed. [2019-11-25 08:50:20,546 INFO L440 ceAbstractionStarter]: At program point L635(lines 620 638) 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 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3))) [2019-11-25 08:50:20,546 INFO L440 ceAbstractionStarter]: At program point L635-1(lines 620 638) the Hoare annotation is: false [2019-11-25 08:50:20,546 INFO L440 ceAbstractionStarter]: At program point L635-2(lines 620 638) the Hoare annotation is: false [2019-11-25 08:50:20,546 INFO L444 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2019-11-25 08:50:20,546 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:50:20,546 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-11-25 08:50:20,546 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-11-25 08:50:20,546 INFO L444 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-11-25 08:50:20,546 INFO L444 ceAbstractionStarter]: For program point L456-2(lines 450 461) no Hoare annotation was computed. [2019-11-25 08:50:20,547 INFO L444 ceAbstractionStarter]: For program point L869(lines 869 875) no Hoare annotation was computed. [2019-11-25 08:50:20,547 INFO L444 ceAbstractionStarter]: For program point L869-1(lines 869 875) no Hoare annotation was computed. [2019-11-25 08:50:20,547 INFO L444 ceAbstractionStarter]: For program point L869-2(lines 869 875) no Hoare annotation was computed. [2019-11-25 08:50:20,547 INFO L440 ceAbstractionStarter]: At program point L737(lines 733 739) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:50:20,547 INFO L444 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-11-25 08:50:20,547 INFO L440 ceAbstractionStarter]: At program point L440-1(lines 440 446) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse2))) [2019-11-25 08:50:20,547 INFO L440 ceAbstractionStarter]: At program point L886(lines 881 888) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:50:20,547 INFO L444 ceAbstractionStarter]: For program point L804(lines 804 808) no Hoare annotation was computed. [2019-11-25 08:50:20,548 INFO L447 ceAbstractionStarter]: At program point L771(lines 752 774) the Hoare annotation is: true [2019-11-25 08:50:20,548 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:50:20,548 INFO L440 ceAbstractionStarter]: At program point L689-2(lines 689 703) the Hoare annotation is: false [2019-11-25 08:50:20,548 INFO L440 ceAbstractionStarter]: At program point L673(lines 668 676) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:50:20,551 INFO L444 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-11-25 08:50:20,551 INFO L444 ceAbstractionStarter]: For program point L527(lines 527 544) no Hoare annotation was computed. [2019-11-25 08:50:20,551 INFO L444 ceAbstractionStarter]: For program point L527-1(lines 527 544) no Hoare annotation was computed. [2019-11-25 08:50:20,551 INFO L444 ceAbstractionStarter]: For program point L527-2(lines 527 544) no Hoare annotation was computed. [2019-11-25 08:50:20,551 INFO L444 ceAbstractionStarter]: For program point L907(lines 907 924) no Hoare annotation was computed. [2019-11-25 08:50:20,552 INFO L440 ceAbstractionStarter]: At program point L874(lines 865 878) 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 .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3))) [2019-11-25 08:50:20,552 INFO L440 ceAbstractionStarter]: At program point L907-1(lines 1 927) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .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)))) [2019-11-25 08:50:20,552 INFO L440 ceAbstractionStarter]: At program point L874-1(lines 865 878) the Hoare annotation is: false [2019-11-25 08:50:20,554 INFO L444 ceAbstractionStarter]: For program point L907-2(lines 907 924) no Hoare annotation was computed. [2019-11-25 08:50:20,554 INFO L440 ceAbstractionStarter]: At program point L907-3(lines 1 927) the Hoare annotation is: false [2019-11-25 08:50:20,554 INFO L440 ceAbstractionStarter]: At program point L874-2(lines 865 878) the Hoare annotation is: false [2019-11-25 08:50:20,554 INFO L444 ceAbstractionStarter]: For program point L907-4(lines 907 924) no Hoare annotation was computed. [2019-11-25 08:50:20,554 INFO L440 ceAbstractionStarter]: At program point L907-5(lines 1 927) the Hoare annotation is: false [2019-11-25 08:50:20,554 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:50:20,554 INFO L444 ceAbstractionStarter]: For program point L792(lines 792 796) no Hoare annotation was computed. [2019-11-25 08:50:20,554 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-11-25 08:50:20,555 INFO L444 ceAbstractionStarter]: For program point L792-3(lines 792 796) no Hoare annotation was computed. [2019-11-25 08:50:20,555 INFO L444 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-11-25 08:50:20,555 INFO L444 ceAbstractionStarter]: For program point L693-1(lines 693 697) no Hoare annotation was computed. [2019-11-25 08:50:20,555 INFO L444 ceAbstractionStarter]: For program point L792-6(lines 792 796) no Hoare annotation was computed. [2019-11-25 08:50:20,556 INFO L440 ceAbstractionStarter]: At program point L495(lines 491 513) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-25 08:50:20,556 INFO L440 ceAbstractionStarter]: At program point L495-1(lines 491 513) the Hoare annotation is: false [2019-11-25 08:50:20,556 INFO L440 ceAbstractionStarter]: At program point L495-2(lines 491 513) the Hoare annotation is: false [2019-11-25 08:50:20,556 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-11-25 08:50:20,557 INFO L440 ceAbstractionStarter]: At program point L430-1(lines 430 436) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse2))) [2019-11-25 08:50:20,557 INFO L444 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2019-11-25 08:50:20,557 INFO L444 ceAbstractionStarter]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2019-11-25 08:50:20,557 INFO L444 ceAbstractionStarter]: For program point L629-3(lines 629 633) no Hoare annotation was computed. [2019-11-25 08:50:20,557 INFO L444 ceAbstractionStarter]: For program point L629-5(lines 629 633) no Hoare annotation was computed. [2019-11-25 08:50:20,557 INFO L444 ceAbstractionStarter]: For program point L629-6(lines 629 633) no Hoare annotation was computed. [2019-11-25 08:50:20,557 INFO L444 ceAbstractionStarter]: For program point L629-8(lines 629 633) no Hoare annotation was computed. [2019-11-25 08:50:20,557 INFO L440 ceAbstractionStarter]: At program point L580(lines 575 583) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse4 .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 .cse4 .cse2))) [2019-11-25 08:50:20,558 INFO L440 ceAbstractionStarter]: At program point L580-1(lines 575 583) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) (= ~pumpRunning~0 0) .cse2))) [2019-11-25 08:50:20,558 INFO L440 ceAbstractionStarter]: At program point L580-2(lines 575 583) the Hoare annotation is: false [2019-11-25 08:50:20,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:50:20 BoogieIcfgContainer [2019-11-25 08:50:20,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:50:20,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:50:20,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:50:20,582 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:50:20,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:16" (3/4) ... [2019-11-25 08:50:20,586 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:50:20,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:50:20,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:50:20,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:50:20,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:50:20,605 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:50:20,605 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:50:20,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:50:20,631 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) [2019-11-25 08:50:20,631 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-25 08:50:20,631 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-25 08:50:20,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-25 08:50:20,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-25 08:50:20,633 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-25 08:50:20,633 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-25 08:50:20,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-25 08:50:20,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:50:20,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((((1 == systemActive && \result == 0) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:50:20,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:50:20,709 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ccfb86b1-3219-447d-8c00-99e9a0f0516a/bin/uautomizer/witness.graphml [2019-11-25 08:50:20,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:50:20,710 INFO L168 Benchmark]: Toolchain (without parser) took 5647.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:20,710 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:20,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:20,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.64 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:20,711 INFO L168 Benchmark]: Boogie Preprocessor took 38.23 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:20,712 INFO L168 Benchmark]: RCFGBuilder took 729.64 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:20,712 INFO L168 Benchmark]: TraceAbstraction took 4139.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -77.2 MB). Peak memory consumption was 189.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:20,713 INFO L168 Benchmark]: Witness Printer took 126.99 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:20,714 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 553.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.64 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.23 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 729.64 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4139.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -77.2 MB). Peak memory consumption was 189.7 MB. Max. memory is 11.5 GB. * Witness Printer took 126.99 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 780]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 780]: 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: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((((1 == systemActive && \result == 0) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Result: SAFE, OverallTime: 4.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, HoareTripleCheckerStatistics: 765 SDtfs, 844 SDslu, 1043 SDs, 0 SdLazy, 176 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 324 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 91 NumberOfFragments, 568 HoareAnnotationTreeSize, 37 FomulaSimplifications, 22876 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 37 FomulaSimplificationsInter, 4644 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 25715 SizeOfPredicates, 4 NumberOfNonLiveVariables, 397 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...