./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/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 37cb317c3bc7664ed231fa78380e175cc6a4d8af .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:35,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:35,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:35,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:35,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:35,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:35,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:35,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:35,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:35,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:35,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:35,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:35,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:35,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:35,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:35,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:35,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:35,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:35,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:35,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:35,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:35,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:35,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:35,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:35,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:35,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:35,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:35,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:35,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:35,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:35,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:35,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:35,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:35,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:35,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:35,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:35,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:35,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:35,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:35,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:35,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:35,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:35,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:35,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:35,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:35,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:35,462 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:35,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:35,462 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:35,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:35,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:35,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:35,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:35,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:35,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:35,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:35,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:35,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:35,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:35,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:35,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:35,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:35,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:35,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:35,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:35,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/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 -> 37cb317c3bc7664ed231fa78380e175cc6a4d8af [2019-10-22 09:02:35,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:35,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:35,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:35,502 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:35,502 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:35,503 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2019-10-22 09:02:35,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/data/cb109459f/fc9952a5f103459fae39a9e16b5b310d/FLAG7f0943b33 [2019-10-22 09:02:35,983 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:35,987 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2019-10-22 09:02:36,004 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/data/cb109459f/fc9952a5f103459fae39a9e16b5b310d/FLAG7f0943b33 [2019-10-22 09:02:36,330 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/data/cb109459f/fc9952a5f103459fae39a9e16b5b310d [2019-10-22 09:02:36,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:36,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:36,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:36,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:36,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:36,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401156f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36, skipping insertion in model container [2019-10-22 09:02:36,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,351 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:36,394 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:36,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:36,714 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:36,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:36,830 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:36,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36 WrapperNode [2019-10-22 09:02:36,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:36,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:36,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:36,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:36,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:36,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:36,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:36,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:36,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:36,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:36,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:36,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:36,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:02:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:37,829 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:37,830 INFO L284 CfgBuilder]: Removed 206 assume(true) statements. [2019-10-22 09:02:37,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:37 BoogieIcfgContainer [2019-10-22 09:02:37,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:37,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:37,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:37,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:37,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:36" (1/3) ... [2019-10-22 09:02:37,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63976dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:37, skipping insertion in model container [2019-10-22 09:02:37,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36" (2/3) ... [2019-10-22 09:02:37,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63976dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:37, skipping insertion in model container [2019-10-22 09:02:37,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:37" (3/3) ... [2019-10-22 09:02:37,843 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2019-10-22 09:02:37,854 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:37,862 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:02:37,875 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:02:37,905 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:37,906 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:37,906 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:37,906 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:37,906 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:37,906 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:37,906 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:37,906 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2019-10-22 09:02:37,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:02:37,938 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:37,940 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:37,942 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:37,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:37,950 INFO L82 PathProgramCache]: Analyzing trace with hash -2038923744, now seen corresponding path program 1 times [2019-10-22 09:02:37,957 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:37,957 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674354182] [2019-10-22 09:02:37,957 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:37,957 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:37,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:38,197 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674354182] [2019-10-22 09:02:38,198 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:38,198 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:38,198 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710478670] [2019-10-22 09:02:38,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:02:38,203 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:38,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:02:38,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:38,221 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2019-10-22 09:02:38,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:38,262 INFO L93 Difference]: Finished difference Result 269 states and 400 transitions. [2019-10-22 09:02:38,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:02:38,263 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 09:02:38,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:38,281 INFO L225 Difference]: With dead ends: 269 [2019-10-22 09:02:38,281 INFO L226 Difference]: Without dead ends: 134 [2019-10-22 09:02:38,285 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:38,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-22 09:02:38,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-22 09:02:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-22 09:02:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2019-10-22 09:02:38,345 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2019-10-22 09:02:38,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:38,345 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2019-10-22 09:02:38,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:02:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2019-10-22 09:02:38,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 09:02:38,347 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:38,347 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:38,347 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:38,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:38,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1183223248, now seen corresponding path program 1 times [2019-10-22 09:02:38,348 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:38,348 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210064925] [2019-10-22 09:02:38,348 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,348 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:38,453 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210064925] [2019-10-22 09:02:38,453 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:38,453 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:38,453 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645983290] [2019-10-22 09:02:38,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:38,455 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:38,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:38,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:38,456 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2019-10-22 09:02:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:38,471 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2019-10-22 09:02:38,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:38,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 09:02:38,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:38,473 INFO L225 Difference]: With dead ends: 134 [2019-10-22 09:02:38,473 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 09:02:38,474 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:38,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 09:02:38,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 09:02:38,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 09:02:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-10-22 09:02:38,482 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2019-10-22 09:02:38,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:38,482 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-10-22 09:02:38,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-10-22 09:02:38,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:02:38,483 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:38,483 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:38,484 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:38,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:38,484 INFO L82 PathProgramCache]: Analyzing trace with hash 401446808, now seen corresponding path program 1 times [2019-10-22 09:02:38,484 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:38,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934695104] [2019-10-22 09:02:38,485 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,485 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:38,623 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934695104] [2019-10-22 09:02:38,623 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:38,623 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:38,623 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334737554] [2019-10-22 09:02:38,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:38,624 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:38,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:38,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:38,624 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-10-22 09:02:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:38,646 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2019-10-22 09:02:38,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:38,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 09:02:38,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:38,647 INFO L225 Difference]: With dead ends: 103 [2019-10-22 09:02:38,647 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 09:02:38,648 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:38,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 09:02:38,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 09:02:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 09:02:38,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2019-10-22 09:02:38,661 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2019-10-22 09:02:38,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:38,662 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2019-10-22 09:02:38,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:38,663 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2019-10-22 09:02:38,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 09:02:38,664 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:38,664 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:38,664 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:38,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:38,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1016692102, now seen corresponding path program 1 times [2019-10-22 09:02:38,665 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:38,665 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662927564] [2019-10-22 09:02:38,665 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,665 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:38,743 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662927564] [2019-10-22 09:02:38,744 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:38,744 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:38,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688846211] [2019-10-22 09:02:38,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:38,745 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:38,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:38,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:38,745 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2019-10-22 09:02:38,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:38,826 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2019-10-22 09:02:38,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:38,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-22 09:02:38,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:38,827 INFO L225 Difference]: With dead ends: 127 [2019-10-22 09:02:38,828 INFO L226 Difference]: Without dead ends: 79 [2019-10-22 09:02:38,828 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-22 09:02:38,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2019-10-22 09:02:38,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 09:02:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2019-10-22 09:02:38,843 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2019-10-22 09:02:38,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:38,843 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2019-10-22 09:02:38,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:38,844 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2019-10-22 09:02:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:02:38,844 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:38,844 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:38,845 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:38,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:38,845 INFO L82 PathProgramCache]: Analyzing trace with hash -836140634, now seen corresponding path program 1 times [2019-10-22 09:02:38,845 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:38,852 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226292041] [2019-10-22 09:02:38,852 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,852 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:38,923 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226292041] [2019-10-22 09:02:38,923 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:38,923 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:38,923 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401613217] [2019-10-22 09:02:38,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:38,924 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:38,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:38,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:38,925 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2019-10-22 09:02:39,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:39,047 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2019-10-22 09:02:39,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:02:39,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 09:02:39,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:39,049 INFO L225 Difference]: With dead ends: 260 [2019-10-22 09:02:39,049 INFO L226 Difference]: Without dead ends: 190 [2019-10-22 09:02:39,050 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:02:39,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-10-22 09:02:39,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2019-10-22 09:02:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-10-22 09:02:39,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2019-10-22 09:02:39,061 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2019-10-22 09:02:39,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:39,061 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2019-10-22 09:02:39,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2019-10-22 09:02:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 09:02:39,062 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:39,062 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:39,065 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:39,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:39,066 INFO L82 PathProgramCache]: Analyzing trace with hash 2819926, now seen corresponding path program 1 times [2019-10-22 09:02:39,066 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:39,066 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115863268] [2019-10-22 09:02:39,066 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,067 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:39,133 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115863268] [2019-10-22 09:02:39,133 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:39,133 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:39,133 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648854171] [2019-10-22 09:02:39,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:39,134 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:39,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:39,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:39,135 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2019-10-22 09:02:39,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:39,213 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2019-10-22 09:02:39,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:39,214 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-10-22 09:02:39,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:39,215 INFO L225 Difference]: With dead ends: 194 [2019-10-22 09:02:39,215 INFO L226 Difference]: Without dead ends: 125 [2019-10-22 09:02:39,216 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:39,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-22 09:02:39,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2019-10-22 09:02:39,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-22 09:02:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2019-10-22 09:02:39,233 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2019-10-22 09:02:39,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:39,234 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2019-10-22 09:02:39,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2019-10-22 09:02:39,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 09:02:39,235 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:39,235 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:39,239 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:39,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:39,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1008297324, now seen corresponding path program 1 times [2019-10-22 09:02:39,244 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:39,245 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311152564] [2019-10-22 09:02:39,245 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,245 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:39,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311152564] [2019-10-22 09:02:39,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:39,293 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:39,293 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548818207] [2019-10-22 09:02:39,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:39,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:39,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:39,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:39,294 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2019-10-22 09:02:39,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:39,338 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2019-10-22 09:02:39,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:39,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-10-22 09:02:39,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:39,340 INFO L225 Difference]: With dead ends: 189 [2019-10-22 09:02:39,340 INFO L226 Difference]: Without dead ends: 114 [2019-10-22 09:02:39,341 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:39,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-22 09:02:39,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2019-10-22 09:02:39,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-10-22 09:02:39,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2019-10-22 09:02:39,354 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2019-10-22 09:02:39,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:39,355 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2019-10-22 09:02:39,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2019-10-22 09:02:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 09:02:39,356 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:39,356 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:39,356 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:39,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:39,357 INFO L82 PathProgramCache]: Analyzing trace with hash -2029365678, now seen corresponding path program 1 times [2019-10-22 09:02:39,357 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:39,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782958209] [2019-10-22 09:02:39,359 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,360 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:39,411 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782958209] [2019-10-22 09:02:39,411 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:39,411 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:39,411 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542328312] [2019-10-22 09:02:39,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:39,412 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:39,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:39,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:39,413 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2019-10-22 09:02:39,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:39,443 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2019-10-22 09:02:39,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:39,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-22 09:02:39,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:39,444 INFO L225 Difference]: With dead ends: 193 [2019-10-22 09:02:39,445 INFO L226 Difference]: Without dead ends: 114 [2019-10-22 09:02:39,445 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:39,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-22 09:02:39,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-22 09:02:39,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-22 09:02:39,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2019-10-22 09:02:39,464 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2019-10-22 09:02:39,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:39,464 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2019-10-22 09:02:39,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:39,464 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2019-10-22 09:02:39,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 09:02:39,467 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:39,467 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:39,468 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:39,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:39,468 INFO L82 PathProgramCache]: Analyzing trace with hash -493567726, now seen corresponding path program 1 times [2019-10-22 09:02:39,468 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:39,468 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236208930] [2019-10-22 09:02:39,469 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,469 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:39,586 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236208930] [2019-10-22 09:02:39,587 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:39,587 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:02:39,587 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708111998] [2019-10-22 09:02:39,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:39,588 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:39,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:39,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:39,588 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 6 states. [2019-10-22 09:02:39,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:39,819 INFO L93 Difference]: Finished difference Result 429 states and 571 transitions. [2019-10-22 09:02:39,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:02:39,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-10-22 09:02:39,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:39,822 INFO L225 Difference]: With dead ends: 429 [2019-10-22 09:02:39,822 INFO L226 Difference]: Without dead ends: 350 [2019-10-22 09:02:39,823 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:02:39,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-10-22 09:02:39,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 159. [2019-10-22 09:02:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-10-22 09:02:39,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 204 transitions. [2019-10-22 09:02:39,844 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 204 transitions. Word has length 38 [2019-10-22 09:02:39,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:39,844 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 204 transitions. [2019-10-22 09:02:39,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2019-10-22 09:02:39,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 09:02:39,846 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:39,846 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:39,847 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:39,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:39,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1880270052, now seen corresponding path program 1 times [2019-10-22 09:02:39,847 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:39,848 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410126114] [2019-10-22 09:02:39,848 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,848 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:39,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410126114] [2019-10-22 09:02:39,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586365591] [2019-10-22 09:02:39,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:40,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 09:02:40,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:40,147 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:40,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-10-22 09:02:40,147 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975065322] [2019-10-22 09:02:40,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 09:02:40,148 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:40,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 09:02:40,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:02:40,148 INFO L87 Difference]: Start difference. First operand 159 states and 204 transitions. Second operand 9 states. [2019-10-22 09:02:40,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:40,300 INFO L93 Difference]: Finished difference Result 317 states and 423 transitions. [2019-10-22 09:02:40,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:02:40,300 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-10-22 09:02:40,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:40,301 INFO L225 Difference]: With dead ends: 317 [2019-10-22 09:02:40,301 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:02:40,302 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-10-22 09:02:40,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:02:40,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:02:40,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:02:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:02:40,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-10-22 09:02:40,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:40,303 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:40,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 09:02:40,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:40,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:02:40,504 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:40,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:02:41,777 INFO L439 ceAbstractionStarter]: At program point L135(lines 126 139) the Hoare annotation is: false [2019-10-22 09:02:41,778 INFO L439 ceAbstractionStarter]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-10-22 09:02:41,778 INFO L439 ceAbstractionStarter]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-10-22 09:02:41,778 INFO L439 ceAbstractionStarter]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-10-22 09:02:41,778 INFO L439 ceAbstractionStarter]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-10-22 09:02:41,778 INFO L439 ceAbstractionStarter]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-10-22 09:02:41,778 INFO L439 ceAbstractionStarter]: At program point L763(lines 748 766) the Hoare annotation is: false [2019-10-22 09:02:41,778 INFO L439 ceAbstractionStarter]: At program point L763-1(lines 748 766) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse1 (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 .cse3)))) [2019-10-22 09:02:41,779 INFO L439 ceAbstractionStarter]: At program point L763-2(lines 748 766) the Hoare annotation is: false [2019-10-22 09:02:41,779 INFO L439 ceAbstractionStarter]: At program point L763-3(lines 748 766) the Hoare annotation is: false [2019-10-22 09:02:41,779 INFO L439 ceAbstractionStarter]: At program point L763-4(lines 748 766) the Hoare annotation is: false [2019-10-22 09:02:41,779 INFO L439 ceAbstractionStarter]: At program point L763-5(lines 748 766) the Hoare annotation is: false [2019-10-22 09:02:41,779 INFO L439 ceAbstractionStarter]: At program point L533(lines 580 586) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (and .cse1 .cse0 .cse2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2019-10-22 09:02:41,779 INFO L439 ceAbstractionStarter]: At program point L533-1(lines 580 586) the Hoare annotation is: false [2019-10-22 09:02:41,780 INFO L439 ceAbstractionStarter]: At program point L533-2(lines 580 586) the Hoare annotation is: false [2019-10-22 09:02:41,780 INFO L439 ceAbstractionStarter]: At program point L699(lines 692 702) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:41,780 INFO L439 ceAbstractionStarter]: At program point L699-1(lines 692 702) the Hoare annotation is: false [2019-10-22 09:02:41,780 INFO L439 ceAbstractionStarter]: At program point L699-2(lines 692 702) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:41,780 INFO L439 ceAbstractionStarter]: At program point L699-3(lines 692 702) the Hoare annotation is: false [2019-10-22 09:02:41,780 INFO L439 ceAbstractionStarter]: At program point L699-4(lines 692 702) the Hoare annotation is: false [2019-10-22 09:02:41,781 INFO L439 ceAbstractionStarter]: At program point L699-5(lines 692 702) the Hoare annotation is: false [2019-10-22 09:02:41,781 INFO L439 ceAbstractionStarter]: At program point L699-6(lines 692 702) the Hoare annotation is: false [2019-10-22 09:02:41,781 INFO L439 ceAbstractionStarter]: At program point L699-7(lines 692 702) the Hoare annotation is: false [2019-10-22 09:02:41,781 INFO L439 ceAbstractionStarter]: At program point L699-8(lines 692 702) the Hoare annotation is: false [2019-10-22 09:02:41,781 INFO L446 ceAbstractionStarter]: At program point L964(lines 945 967) the Hoare annotation is: true [2019-10-22 09:02:41,781 INFO L439 ceAbstractionStarter]: At program point L931(lines 927 933) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:41,785 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 805) no Hoare annotation was computed. [2019-10-22 09:02:41,785 INFO L439 ceAbstractionStarter]: At program point L799-1(lines 799 805) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (and .cse0 .cse1 .cse2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2019-10-22 09:02:41,786 INFO L439 ceAbstractionStarter]: At program point L867(lines 862 870) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:41,786 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 655) no Hoare annotation was computed. [2019-10-22 09:02:41,786 INFO L443 ceAbstractionStarter]: For program point L638-1(lines 638 655) no Hoare annotation was computed. [2019-10-22 09:02:41,786 INFO L443 ceAbstractionStarter]: For program point L638-2(lines 638 655) no Hoare annotation was computed. [2019-10-22 09:02:41,786 INFO L443 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-10-22 09:02:41,786 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 09:02:41,786 INFO L443 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-10-22 09:02:41,786 INFO L443 ceAbstractionStarter]: For program point L145-2(line 145) no Hoare annotation was computed. [2019-10-22 09:02:41,787 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 680) no Hoare annotation was computed. [2019-10-22 09:02:41,787 INFO L443 ceAbstractionStarter]: For program point L674-2(lines 674 680) no Hoare annotation was computed. [2019-10-22 09:02:41,787 INFO L443 ceAbstractionStarter]: For program point L674-4(lines 674 680) no Hoare annotation was computed. [2019-10-22 09:02:41,787 INFO L443 ceAbstractionStarter]: For program point L674-6(lines 674 680) no Hoare annotation was computed. [2019-10-22 09:02:41,787 INFO L443 ceAbstractionStarter]: For program point L674-8(lines 674 680) no Hoare annotation was computed. [2019-10-22 09:02:41,787 INFO L443 ceAbstractionStarter]: For program point L674-10(lines 674 680) no Hoare annotation was computed. [2019-10-22 09:02:41,787 INFO L439 ceAbstractionStarter]: At program point L708(lines 703 711) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)) (and .cse3 (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (and .cse1 .cse0 .cse2) .cse4))) [2019-10-22 09:02:41,788 INFO L439 ceAbstractionStarter]: At program point L708-1(lines 703 711) 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 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-10-22 09:02:41,788 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 650) no Hoare annotation was computed. [2019-10-22 09:02:41,788 INFO L439 ceAbstractionStarter]: At program point L708-2(lines 703 711) the Hoare annotation is: false [2019-10-22 09:02:41,788 INFO L443 ceAbstractionStarter]: For program point L642-1(lines 642 650) no Hoare annotation was computed. [2019-10-22 09:02:41,788 INFO L439 ceAbstractionStarter]: At program point L708-3(lines 703 711) the Hoare annotation is: false [2019-10-22 09:02:41,788 INFO L439 ceAbstractionStarter]: At program point L708-4(lines 703 711) the Hoare annotation is: false [2019-10-22 09:02:41,789 INFO L443 ceAbstractionStarter]: For program point L642-2(lines 642 650) no Hoare annotation was computed. [2019-10-22 09:02:41,789 INFO L439 ceAbstractionStarter]: At program point L708-5(lines 703 711) the Hoare annotation is: false [2019-10-22 09:02:41,789 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 561) no Hoare annotation was computed. [2019-10-22 09:02:41,789 INFO L439 ceAbstractionStarter]: At program point L544-1(lines 1 967) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (and .cse0 .cse1 .cse2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3 2) (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-10-22 09:02:41,789 INFO L443 ceAbstractionStarter]: For program point L544-2(lines 544 561) no Hoare annotation was computed. [2019-10-22 09:02:41,790 INFO L439 ceAbstractionStarter]: At program point L544-3(lines 1 967) the Hoare annotation is: false [2019-10-22 09:02:41,790 INFO L443 ceAbstractionStarter]: For program point L544-4(lines 544 561) no Hoare annotation was computed. [2019-10-22 09:02:41,790 INFO L439 ceAbstractionStarter]: At program point L544-5(lines 1 967) the Hoare annotation is: false [2019-10-22 09:02:41,790 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 820) no Hoare annotation was computed. [2019-10-22 09:02:41,791 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-10-22 09:02:41,791 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 629) no Hoare annotation was computed. [2019-10-22 09:02:41,791 INFO L443 ceAbstractionStarter]: For program point L612-1(lines 612 629) no Hoare annotation was computed. [2019-10-22 09:02:41,791 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 629) no Hoare annotation was computed. [2019-10-22 09:02:41,791 INFO L443 ceAbstractionStarter]: For program point L612-3(lines 612 629) no Hoare annotation was computed. [2019-10-22 09:02:41,791 INFO L443 ceAbstractionStarter]: For program point L612-4(lines 612 629) no Hoare annotation was computed. [2019-10-22 09:02:41,791 INFO L443 ceAbstractionStarter]: For program point L612-5(lines 612 629) no Hoare annotation was computed. [2019-10-22 09:02:41,792 INFO L439 ceAbstractionStarter]: At program point L580(lines 576 598) 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 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse1 .cse2)))) [2019-10-22 09:02:41,792 INFO L439 ceAbstractionStarter]: At program point L580-1(lines 576 598) the Hoare annotation is: false [2019-10-22 09:02:41,792 INFO L439 ceAbstractionStarter]: At program point L580-2(lines 576 598) the Hoare annotation is: false [2019-10-22 09:02:41,792 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 558) no Hoare annotation was computed. [2019-10-22 09:02:41,792 INFO L443 ceAbstractionStarter]: For program point L548-2(lines 548 558) no Hoare annotation was computed. [2019-10-22 09:02:41,792 INFO L443 ceAbstractionStarter]: For program point L548-4(lines 548 558) no Hoare annotation was computed. [2019-10-22 09:02:41,793 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:02:41,793 INFO L443 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-10-22 09:02:41,793 INFO L443 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-10-22 09:02:41,793 INFO L443 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-10-22 09:02:41,793 INFO L443 ceAbstractionStarter]: For program point L780(lines 779 824) no Hoare annotation was computed. [2019-10-22 09:02:41,793 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 555) no Hoare annotation was computed. [2019-10-22 09:02:41,794 INFO L443 ceAbstractionStarter]: For program point L549-2(lines 549 555) no Hoare annotation was computed. [2019-10-22 09:02:41,795 INFO L443 ceAbstractionStarter]: For program point L549-4(lines 549 555) no Hoare annotation was computed. [2019-10-22 09:02:41,800 INFO L443 ceAbstractionStarter]: For program point L781(lines 781 785) no Hoare annotation was computed. [2019-10-22 09:02:41,800 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-10-22 09:02:41,800 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 624) no Hoare annotation was computed. [2019-10-22 09:02:41,800 INFO L443 ceAbstractionStarter]: For program point L616-1(lines 616 624) no Hoare annotation was computed. [2019-10-22 09:02:41,801 INFO L443 ceAbstractionStarter]: For program point L616-2(lines 616 624) no Hoare annotation was computed. [2019-10-22 09:02:41,801 INFO L443 ceAbstractionStarter]: For program point L616-3(lines 616 624) no Hoare annotation was computed. [2019-10-22 09:02:41,801 INFO L443 ceAbstractionStarter]: For program point L616-4(lines 616 624) no Hoare annotation was computed. [2019-10-22 09:02:41,801 INFO L443 ceAbstractionStarter]: For program point L616-5(lines 616 624) no Hoare annotation was computed. [2019-10-22 09:02:41,801 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 819) no Hoare annotation was computed. [2019-10-22 09:02:41,801 INFO L443 ceAbstractionStarter]: For program point L815-2(lines 809 820) no Hoare annotation was computed. [2019-10-22 09:02:41,801 INFO L439 ceAbstractionStarter]: At program point L122(lines 117 125) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-10-22 09:02:41,802 INFO L439 ceAbstractionStarter]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2019-10-22 09:02:41,802 INFO L439 ceAbstractionStarter]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2019-10-22 09:02:41,802 INFO L439 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:41,802 INFO L439 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-10-22 09:02:41,802 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:41,802 INFO L439 ceAbstractionStarter]: At program point L90-3(lines 85 93) the Hoare annotation is: false [2019-10-22 09:02:41,803 INFO L439 ceAbstractionStarter]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-10-22 09:02:41,803 INFO L439 ceAbstractionStarter]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-10-22 09:02:41,803 INFO L439 ceAbstractionStarter]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2019-10-22 09:02:41,803 INFO L439 ceAbstractionStarter]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2019-10-22 09:02:41,803 INFO L439 ceAbstractionStarter]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2019-10-22 09:02:41,803 INFO L439 ceAbstractionStarter]: At program point L883-2(lines 883 897) the Hoare annotation is: false [2019-10-22 09:02:41,803 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:02:41,804 INFO L443 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2019-10-22 09:02:41,804 INFO L439 ceAbstractionStarter]: At program point L587(lines 587 593) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (and .cse0 .cse1 .cse2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2019-10-22 09:02:41,804 INFO L439 ceAbstractionStarter]: At program point L587-1(lines 587 593) the Hoare annotation is: false [2019-10-22 09:02:41,804 INFO L439 ceAbstractionStarter]: At program point L587-2(lines 587 593) the Hoare annotation is: false [2019-10-22 09:02:41,804 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-10-22 09:02:41,804 INFO L439 ceAbstractionStarter]: At program point L523(lines 518 525) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:41,805 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:02:41,805 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 891) no Hoare annotation was computed. [2019-10-22 09:02:41,805 INFO L443 ceAbstractionStarter]: For program point L887-1(lines 887 891) no Hoare annotation was computed. [2019-10-22 09:02:41,805 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 795) no Hoare annotation was computed. [2019-10-22 09:02:41,805 INFO L439 ceAbstractionStarter]: At program point L789-1(lines 789 795) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (and .cse0 .cse1 .cse2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2019-10-22 09:02:41,808 INFO L443 ceAbstractionStarter]: For program point L955(lines 955 962) no Hoare annotation was computed. [2019-10-22 09:02:41,808 INFO L446 ceAbstractionStarter]: At program point L955-1(lines 955 962) the Hoare annotation is: true [2019-10-22 09:02:41,809 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,809 INFO L443 ceAbstractionStarter]: For program point L757-2(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,809 INFO L443 ceAbstractionStarter]: For program point L757-3(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,809 INFO L443 ceAbstractionStarter]: For program point L757-5(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,809 INFO L443 ceAbstractionStarter]: For program point L757-6(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,809 INFO L443 ceAbstractionStarter]: For program point L757-8(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,809 INFO L443 ceAbstractionStarter]: For program point L757-9(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,809 INFO L443 ceAbstractionStarter]: For program point L757-11(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,810 INFO L443 ceAbstractionStarter]: For program point L757-12(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,810 INFO L443 ceAbstractionStarter]: For program point L757-14(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,810 INFO L443 ceAbstractionStarter]: For program point L757-15(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,810 INFO L443 ceAbstractionStarter]: For program point L757-17(lines 757 761) no Hoare annotation was computed. [2019-10-22 09:02:41,810 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:02:41,810 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:02:41,810 INFO L443 ceAbstractionStarter]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:02:41,810 INFO L443 ceAbstractionStarter]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:02:41,810 INFO L443 ceAbstractionStarter]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:02:41,811 INFO L443 ceAbstractionStarter]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:02:41,811 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-22 09:02:41,811 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:02:41,811 INFO L439 ceAbstractionStarter]: At program point L825(lines 778 826) the Hoare annotation is: false [2019-10-22 09:02:41,811 INFO L439 ceAbstractionStarter]: At program point L859(lines 1 967) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:41,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:41 BoogieIcfgContainer [2019-10-22 09:02:41,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:41,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:41,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:41,852 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:41,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:37" (3/4) ... [2019-10-22 09:02:41,857 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:02:41,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:02:41,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 09:02:41,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:02:41,889 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:02:41,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:02:41,891 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:02:41,925 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || ((((((((1 == systemActive && 1 <= pumpRunning) && tmp <= 2) && 2 <= waterLevel) && 2 <= tmp) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-10-22 09:02:41,925 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= pumpRunning)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) [2019-10-22 09:02:41,926 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= pumpRunning)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) [2019-10-22 09:02:41,927 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) [2019-10-22 09:02:41,928 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) [2019-10-22 09:02:41,928 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-10-22 09:02:41,928 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= pumpRunning)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) [2019-10-22 09:02:41,929 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-10-22 09:02:41,930 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-10-22 09:02:41,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-10-22 09:02:41,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:02:41,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-10-22 09:02:41,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:02:42,023 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ba42f3a0-0dae-4d50-9696-a73271b5b2e4/bin/uautomizer/witness.graphml [2019-10-22 09:02:42,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:42,025 INFO L168 Benchmark]: Toolchain (without parser) took 5691.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 940.6 MB in the beginning and 833.7 MB in the end (delta: 106.9 MB). Peak memory consumption was 314.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:42,025 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:42,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:42,026 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.70 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: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:42,026 INFO L168 Benchmark]: Boogie Preprocessor took 41.81 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: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:42,026 INFO L168 Benchmark]: RCFGBuilder took 886.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:42,027 INFO L168 Benchmark]: TraceAbstraction took 4019.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.0 GB in the beginning and 850.8 MB in the end (delta: 173.0 MB). Peak memory consumption was 253.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:42,027 INFO L168 Benchmark]: Witness Printer took 170.94 ms. Allocated memory is still 1.2 GB. Free memory was 850.8 MB in the beginning and 833.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:42,028 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 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 497.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.70 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: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.81 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: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 886.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4019.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.0 GB in the beginning and 850.8 MB in the end (delta: 173.0 MB). Peak memory consumption was 253.7 MB. Max. memory is 11.5 GB. * Witness Printer took 170.94 ms. Allocated memory is still 1.2 GB. Free memory was 850.8 MB in the beginning and 833.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 145]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || ((((((((1 == systemActive && 1 <= pumpRunning) && tmp <= 2) && 2 <= waterLevel) && 2 <= tmp) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= pumpRunning)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= pumpRunning)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= pumpRunning)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Result: SAFE, OverallTime: 3.9s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, HoareTripleCheckerStatistics: 1088 SDtfs, 1171 SDslu, 1270 SDs, 0 SdLazy, 227 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred 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, 378 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 134 NumberOfFragments, 660 HoareAnnotationTreeSize, 61 FomulaSimplifications, 26296 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 1607 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 34377 SizeOfPredicates, 4 NumberOfNonLiveVariables, 431 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...