./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/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 c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:38:03,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:38:03,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:38:03,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:38:03,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:38:03,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:38:03,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:38:03,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:38:03,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:38:03,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:38:03,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:38:03,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:38:03,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:38:03,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:38:03,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:38:03,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:38:03,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:38:03,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:38:03,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:38:03,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:38:03,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:38:03,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:38:03,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:38:03,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:38:03,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:38:03,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:38:03,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:38:03,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:38:03,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:38:03,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:38:03,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:38:03,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:38:03,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:38:03,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:38:03,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:38:03,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:38:03,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:38:03,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:38:03,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:38:03,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:38:03,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:38:03,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 04:38:03,458 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:38:03,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:38:03,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:38:03,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:38:03,460 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:38:03,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:38:03,460 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:38:03,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:38:03,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:38:03,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:38:03,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:38:03,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:38:03,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:38:03,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:38:03,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:38:03,462 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:38:03,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:38:03,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:38:03,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:38:03,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:38:03,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:38:03,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:38:03,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:38:03,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:38:03,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:38:03,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:38:03,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:38:03,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:38:03,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/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 -> c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 [2019-11-20 04:38:03,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:38:03,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:38:03,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:38:03,664 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:38:03,664 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:38:03,665 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2019-11-20 04:38:03,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/data/cdb50957d/64fc49ff8e9540cdaa3a2af1372ee662/FLAG62535c2e8 [2019-11-20 04:38:04,272 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:38:04,273 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2019-11-20 04:38:04,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/data/cdb50957d/64fc49ff8e9540cdaa3a2af1372ee662/FLAG62535c2e8 [2019-11-20 04:38:04,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/data/cdb50957d/64fc49ff8e9540cdaa3a2af1372ee662 [2019-11-20 04:38:04,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:38:04,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:38:04,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:38:04,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:38:04,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:38:04,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:04" (1/1) ... [2019-11-20 04:38:04,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa21b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:04, skipping insertion in model container [2019-11-20 04:38:04,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:04" (1/1) ... [2019-11-20 04:38:04,635 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:38:04,688 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:38:05,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:38:05,219 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:38:05,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:38:05,330 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:38:05,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05 WrapperNode [2019-11-20 04:38:05,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:38:05,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:38:05,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:38:05,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:38:05,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05" (1/1) ... [2019-11-20 04:38:05,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05" (1/1) ... [2019-11-20 04:38:05,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:38:05,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:38:05,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:38:05,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:38:05,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05" (1/1) ... [2019-11-20 04:38:05,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05" (1/1) ... [2019-11-20 04:38:05,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05" (1/1) ... [2019-11-20 04:38:05,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05" (1/1) ... [2019-11-20 04:38:05,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05" (1/1) ... [2019-11-20 04:38:05,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05" (1/1) ... [2019-11-20 04:38:05,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05" (1/1) ... [2019-11-20 04:38:05,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:38:05,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:38:05,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:38:05,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:38:05,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:38:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:38:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 04:38:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:38:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:38:06,682 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:38:06,682 INFO L285 CfgBuilder]: Removed 172 assume(true) statements. [2019-11-20 04:38:06,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:06 BoogieIcfgContainer [2019-11-20 04:38:06,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:38:06,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:38:06,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:38:06,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:38:06,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:38:04" (1/3) ... [2019-11-20 04:38:06,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acbd047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:38:06, skipping insertion in model container [2019-11-20 04:38:06,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:05" (2/3) ... [2019-11-20 04:38:06,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acbd047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:38:06, skipping insertion in model container [2019-11-20 04:38:06,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:06" (3/3) ... [2019-11-20 04:38:06,693 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2019-11-20 04:38:06,704 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:38:06,727 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 04:38:06,739 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 04:38:06,768 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:38:06,768 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:38:06,768 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:38:06,768 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:38:06,768 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:38:06,769 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:38:06,769 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:38:06,769 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:38:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2019-11-20 04:38:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 04:38:06,798 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:38:06,799 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:38:06,799 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:38:06,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:38:06,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1143595135, now seen corresponding path program 1 times [2019-11-20 04:38:06,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:38:06,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878326473] [2019-11-20 04:38:06,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:38:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:38:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:38:07,175 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878326473] [2019-11-20 04:38:07,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:38:07,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:38:07,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824137353] [2019-11-20 04:38:07,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 04:38:07,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:38:07,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 04:38:07,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 04:38:07,193 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2019-11-20 04:38:07,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:38:07,226 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2019-11-20 04:38:07,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 04:38:07,227 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-20 04:38:07,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:38:07,240 INFO L225 Difference]: With dead ends: 245 [2019-11-20 04:38:07,241 INFO L226 Difference]: Without dead ends: 122 [2019-11-20 04:38:07,245 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 04:38:07,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-11-20 04:38:07,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2019-11-20 04:38:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-11-20 04:38:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2019-11-20 04:38:07,297 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2019-11-20 04:38:07,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:38:07,298 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2019-11-20 04:38:07,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 04:38:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2019-11-20 04:38:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 04:38:07,300 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:38:07,300 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:38:07,300 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:38:07,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:38:07,301 INFO L82 PathProgramCache]: Analyzing trace with hash 662424418, now seen corresponding path program 1 times [2019-11-20 04:38:07,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:38:07,302 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104180077] [2019-11-20 04:38:07,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:38:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:38:07,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:38:07,400 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104180077] [2019-11-20 04:38:07,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:38:07,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:38:07,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082223513] [2019-11-20 04:38:07,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:38:07,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:38:07,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:38:07,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:38:07,403 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2019-11-20 04:38:07,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:38:07,432 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2019-11-20 04:38:07,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:38:07,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-20 04:38:07,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:38:07,438 INFO L225 Difference]: With dead ends: 122 [2019-11-20 04:38:07,438 INFO L226 Difference]: Without dead ends: 51 [2019-11-20 04:38:07,440 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:38:07,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-20 04:38:07,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-20 04:38:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-20 04:38:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-11-20 04:38:07,447 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2019-11-20 04:38:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:38:07,448 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-11-20 04:38:07,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:38:07,451 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-11-20 04:38:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 04:38:07,453 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:38:07,453 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:38:07,454 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:38:07,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:38:07,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2019-11-20 04:38:07,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:38:07,455 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396824209] [2019-11-20 04:38:07,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:38:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:38:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:38:07,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396824209] [2019-11-20 04:38:07,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:38:07,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:38:07,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419110755] [2019-11-20 04:38:07,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:38:07,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:38:07,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:38:07,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:38:07,572 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2019-11-20 04:38:07,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:38:07,608 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2019-11-20 04:38:07,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:38:07,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 04:38:07,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:38:07,614 INFO L225 Difference]: With dead ends: 95 [2019-11-20 04:38:07,615 INFO L226 Difference]: Without dead ends: 51 [2019-11-20 04:38:07,615 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:38:07,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-20 04:38:07,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-20 04:38:07,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-20 04:38:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2019-11-20 04:38:07,632 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2019-11-20 04:38:07,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:38:07,633 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2019-11-20 04:38:07,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:38:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2019-11-20 04:38:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 04:38:07,634 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:38:07,634 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:38:07,634 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:38:07,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:38:07,635 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2019-11-20 04:38:07,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:38:07,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247197277] [2019-11-20 04:38:07,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:38:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:38:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:38:07,723 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247197277] [2019-11-20 04:38:07,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:38:07,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:38:07,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374670677] [2019-11-20 04:38:07,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:38:07,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:38:07,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:38:07,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:38:07,725 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2019-11-20 04:38:07,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:38:07,794 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2019-11-20 04:38:07,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:38:07,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-20 04:38:07,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:38:07,797 INFO L225 Difference]: With dead ends: 119 [2019-11-20 04:38:07,797 INFO L226 Difference]: Without dead ends: 75 [2019-11-20 04:38:07,798 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:38:07,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-11-20 04:38:07,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-11-20 04:38:07,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-20 04:38:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-11-20 04:38:07,816 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2019-11-20 04:38:07,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:38:07,816 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-20 04:38:07,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:38:07,816 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-11-20 04:38:07,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:38:07,818 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:38:07,818 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:38:07,818 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:38:07,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:38:07,819 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2019-11-20 04:38:07,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:38:07,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132665471] [2019-11-20 04:38:07,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:38:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:38:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:38:07,922 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132665471] [2019-11-20 04:38:07,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:38:07,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 04:38:07,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596823590] [2019-11-20 04:38:07,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 04:38:07,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:38:07,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:38:07,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:38:07,924 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 5 states. [2019-11-20 04:38:08,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:38:08,063 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2019-11-20 04:38:08,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 04:38:08,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 04:38:08,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:38:08,066 INFO L225 Difference]: With dead ends: 263 [2019-11-20 04:38:08,067 INFO L226 Difference]: Without dead ends: 197 [2019-11-20 04:38:08,068 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 04:38:08,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-20 04:38:08,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2019-11-20 04:38:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-20 04:38:08,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2019-11-20 04:38:08,099 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2019-11-20 04:38:08,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:38:08,099 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2019-11-20 04:38:08,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 04:38:08,100 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2019-11-20 04:38:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:38:08,108 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:38:08,108 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:38:08,108 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:38:08,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:38:08,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2019-11-20 04:38:08,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:38:08,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584503973] [2019-11-20 04:38:08,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:38:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:38:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:38:08,189 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584503973] [2019-11-20 04:38:08,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:38:08,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 04:38:08,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618982743] [2019-11-20 04:38:08,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 04:38:08,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:38:08,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:38:08,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:38:08,192 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2019-11-20 04:38:08,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:38:08,298 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2019-11-20 04:38:08,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 04:38:08,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 04:38:08,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:38:08,300 INFO L225 Difference]: With dead ends: 202 [2019-11-20 04:38:08,300 INFO L226 Difference]: Without dead ends: 132 [2019-11-20 04:38:08,301 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 04:38:08,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-11-20 04:38:08,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2019-11-20 04:38:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-20 04:38:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2019-11-20 04:38:08,314 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2019-11-20 04:38:08,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:38:08,315 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2019-11-20 04:38:08,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 04:38:08,315 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2019-11-20 04:38:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:38:08,316 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:38:08,316 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:38:08,317 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:38:08,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:38:08,317 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2019-11-20 04:38:08,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:38:08,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645465513] [2019-11-20 04:38:08,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:38:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:38:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:38:08,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645465513] [2019-11-20 04:38:08,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:38:08,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:38:08,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853495994] [2019-11-20 04:38:08,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 04:38:08,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:38:08,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:38:08,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:38:08,408 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2019-11-20 04:38:08,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:38:08,582 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2019-11-20 04:38:08,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 04:38:08,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 04:38:08,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:38:08,585 INFO L225 Difference]: With dead ends: 282 [2019-11-20 04:38:08,585 INFO L226 Difference]: Without dead ends: 206 [2019-11-20 04:38:08,586 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 04:38:08,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-11-20 04:38:08,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2019-11-20 04:38:08,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-20 04:38:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2019-11-20 04:38:08,600 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2019-11-20 04:38:08,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:38:08,601 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2019-11-20 04:38:08,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 04:38:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2019-11-20 04:38:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:38:08,602 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:38:08,602 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:38:08,602 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:38:08,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:38:08,603 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2019-11-20 04:38:08,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:38:08,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40092993] [2019-11-20 04:38:08,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:38:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:38:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:38:08,662 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40092993] [2019-11-20 04:38:08,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:38:08,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:38:08,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602357237] [2019-11-20 04:38:08,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:38:08,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:38:08,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:38:08,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:38:08,664 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2019-11-20 04:38:08,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:38:08,704 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2019-11-20 04:38:08,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:38:08,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-20 04:38:08,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:38:08,707 INFO L225 Difference]: With dead ends: 185 [2019-11-20 04:38:08,707 INFO L226 Difference]: Without dead ends: 110 [2019-11-20 04:38:08,708 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:38:08,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-20 04:38:08,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-11-20 04:38:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-20 04:38:08,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2019-11-20 04:38:08,731 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2019-11-20 04:38:08,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:38:08,733 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2019-11-20 04:38:08,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:38:08,734 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2019-11-20 04:38:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 04:38:08,736 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:38:08,736 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:38:08,736 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:38:08,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:38:08,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2019-11-20 04:38:08,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:38:08,738 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574519108] [2019-11-20 04:38:08,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:38:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:38:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:38:08,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574519108] [2019-11-20 04:38:08,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:38:08,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 04:38:08,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800659284] [2019-11-20 04:38:08,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 04:38:08,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:38:08,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 04:38:08,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 04:38:08,941 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 6 states. [2019-11-20 04:38:09,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:38:09,235 INFO L93 Difference]: Finished difference Result 413 states and 551 transitions. [2019-11-20 04:38:09,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 04:38:09,236 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-20 04:38:09,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:38:09,238 INFO L225 Difference]: With dead ends: 413 [2019-11-20 04:38:09,238 INFO L226 Difference]: Without dead ends: 338 [2019-11-20 04:38:09,239 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-20 04:38:09,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2019-11-20 04:38:09,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 155. [2019-11-20 04:38:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-20 04:38:09,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 199 transitions. [2019-11-20 04:38:09,259 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 199 transitions. Word has length 35 [2019-11-20 04:38:09,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:38:09,260 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 199 transitions. [2019-11-20 04:38:09,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 04:38:09,260 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 199 transitions. [2019-11-20 04:38:09,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 04:38:09,262 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:38:09,262 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:38:09,262 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:38:09,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:38:09,263 INFO L82 PathProgramCache]: Analyzing trace with hash -503867042, now seen corresponding path program 1 times [2019-11-20 04:38:09,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:38:09,263 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493087717] [2019-11-20 04:38:09,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:38:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:38:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:38:09,328 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493087717] [2019-11-20 04:38:09,328 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770815729] [2019-11-20 04:38:09,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:38:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:38:09,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:38:09,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:38:09,580 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:38:09,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 04:38:09,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-20 04:38:09,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977060214] [2019-11-20 04:38:09,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 04:38:09,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:38:09,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 04:38:09,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 04:38:09,583 INFO L87 Difference]: Start difference. First operand 155 states and 199 transitions. Second operand 8 states. [2019-11-20 04:38:09,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:38:09,804 INFO L93 Difference]: Finished difference Result 312 states and 417 transitions. [2019-11-20 04:38:09,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 04:38:09,805 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-11-20 04:38:09,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:38:09,805 INFO L225 Difference]: With dead ends: 312 [2019-11-20 04:38:09,806 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 04:38:09,806 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-20 04:38:09,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 04:38:09,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 04:38:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 04:38:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 04:38:09,807 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-20 04:38:09,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:38:09,808 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:38:09,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 04:38:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:38:09,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:38:10,011 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:38:10,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 04:38:10,619 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2019-11-20 04:38:10,813 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2019-11-20 04:38:11,047 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 23 [2019-11-20 04:38:11,276 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 23 [2019-11-20 04:38:11,404 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 23 [2019-11-20 04:38:11,699 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-11-20 04:38:11,990 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 23 [2019-11-20 04:38:12,213 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 25 [2019-11-20 04:38:12,326 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 04:38:12,327 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 121) no Hoare annotation was computed. [2019-11-20 04:38:12,327 INFO L444 ceAbstractionStarter]: For program point L104-1(lines 104 121) no Hoare annotation was computed. [2019-11-20 04:38:12,327 INFO L444 ceAbstractionStarter]: For program point L104-2(lines 104 121) no Hoare annotation was computed. [2019-11-20 04:38:12,327 INFO L444 ceAbstractionStarter]: For program point L104-3(lines 104 121) no Hoare annotation was computed. [2019-11-20 04:38:12,327 INFO L444 ceAbstractionStarter]: For program point L104-4(lines 104 121) no Hoare annotation was computed. [2019-11-20 04:38:12,327 INFO L444 ceAbstractionStarter]: For program point L104-5(lines 104 121) no Hoare annotation was computed. [2019-11-20 04:38:12,327 INFO L444 ceAbstractionStarter]: For program point L303(lines 303 309) no Hoare annotation was computed. [2019-11-20 04:38:12,327 INFO L440 ceAbstractionStarter]: At program point L303-1(lines 303 309) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1) (= ~pumpRunning~0 0)) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2019-11-20 04:38:12,327 INFO L440 ceAbstractionStarter]: At program point L72(lines 68 90) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and (and (and .cse0 .cse2) (= ~pumpRunning~0 0)) .cse1))) [2019-11-20 04:38:12,327 INFO L440 ceAbstractionStarter]: At program point L72-1(lines 68 90) the Hoare annotation is: false [2019-11-20 04:38:12,328 INFO L440 ceAbstractionStarter]: At program point L72-2(lines 68 90) the Hoare annotation is: false [2019-11-20 04:38:12,328 INFO L440 ceAbstractionStarter]: At program point L238(lines 223 241) the Hoare annotation is: false [2019-11-20 04:38:12,328 INFO L440 ceAbstractionStarter]: At program point L238-1(lines 223 241) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (and .cse1 .cse2 .cse3)) (and .cse0 (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse2 .cse3)))) [2019-11-20 04:38:12,328 INFO L440 ceAbstractionStarter]: At program point L238-2(lines 223 241) the Hoare annotation is: false [2019-11-20 04:38:12,328 INFO L440 ceAbstractionStarter]: At program point L238-3(lines 223 241) the Hoare annotation is: false [2019-11-20 04:38:12,328 INFO L440 ceAbstractionStarter]: At program point L238-4(lines 223 241) the Hoare annotation is: false [2019-11-20 04:38:12,328 INFO L440 ceAbstractionStarter]: At program point L238-5(lines 223 241) the Hoare annotation is: false [2019-11-20 04:38:12,328 INFO L444 ceAbstractionStarter]: For program point L371(lines 371 375) no Hoare annotation was computed. [2019-11-20 04:38:12,328 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 116) no Hoare annotation was computed. [2019-11-20 04:38:12,328 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 108 116) no Hoare annotation was computed. [2019-11-20 04:38:12,328 INFO L444 ceAbstractionStarter]: For program point L108-2(lines 108 116) no Hoare annotation was computed. [2019-11-20 04:38:12,329 INFO L444 ceAbstractionStarter]: For program point L108-3(lines 108 116) no Hoare annotation was computed. [2019-11-20 04:38:12,329 INFO L444 ceAbstractionStarter]: For program point L108-4(lines 108 116) no Hoare annotation was computed. [2019-11-20 04:38:12,329 INFO L444 ceAbstractionStarter]: For program point L108-5(lines 108 116) no Hoare annotation was computed. [2019-11-20 04:38:12,329 INFO L440 ceAbstractionStarter]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 04:38:12,329 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 04:38:12,329 INFO L440 ceAbstractionStarter]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2019-11-20 04:38:12,329 INFO L440 ceAbstractionStarter]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2019-11-20 04:38:12,329 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-20 04:38:12,329 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-20 04:38:12,329 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-20 04:38:12,329 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2019-11-20 04:38:12,330 INFO L440 ceAbstractionStarter]: At program point L837-1(lines 1 992) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and (and (and .cse0 .cse3) (= ~pumpRunning~0 0)) .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2019-11-20 04:38:12,330 INFO L444 ceAbstractionStarter]: For program point L837-2(lines 837 854) no Hoare annotation was computed. [2019-11-20 04:38:12,330 INFO L440 ceAbstractionStarter]: At program point L837-3(lines 1 992) the Hoare annotation is: false [2019-11-20 04:38:12,330 INFO L444 ceAbstractionStarter]: For program point L837-4(lines 837 854) no Hoare annotation was computed. [2019-11-20 04:38:12,330 INFO L440 ceAbstractionStarter]: At program point L837-5(lines 1 992) the Hoare annotation is: false [2019-11-20 04:38:12,330 INFO L440 ceAbstractionStarter]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse2) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and (and (and .cse0 .cse2) (= ~pumpRunning~0 0)) .cse1) (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3))) [2019-11-20 04:38:12,330 INFO L440 ceAbstractionStarter]: At program point L79-1(lines 79 85) the Hoare annotation is: false [2019-11-20 04:38:12,330 INFO L440 ceAbstractionStarter]: At program point L79-2(lines 79 85) the Hoare annotation is: false [2019-11-20 04:38:12,331 INFO L444 ceAbstractionStarter]: For program point L841(lines 841 851) no Hoare annotation was computed. [2019-11-20 04:38:12,331 INFO L444 ceAbstractionStarter]: For program point L841-2(lines 841 851) no Hoare annotation was computed. [2019-11-20 04:38:12,331 INFO L444 ceAbstractionStarter]: For program point L841-4(lines 841 851) no Hoare annotation was computed. [2019-11-20 04:38:12,331 INFO L444 ceAbstractionStarter]: For program point L313(lines 313 326) no Hoare annotation was computed. [2019-11-20 04:38:12,331 INFO L444 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-11-20 04:38:12,331 INFO L440 ceAbstractionStarter]: At program point L908-2(lines 908 922) the Hoare annotation is: false [2019-11-20 04:38:12,331 INFO L444 ceAbstractionStarter]: For program point L842-2(lines 842 848) no Hoare annotation was computed. [2019-11-20 04:38:12,331 INFO L444 ceAbstractionStarter]: For program point L842-4(lines 842 848) no Hoare annotation was computed. [2019-11-20 04:38:12,331 INFO L444 ceAbstractionStarter]: For program point L347(lines 347 351) no Hoare annotation was computed. [2019-11-20 04:38:12,331 INFO L444 ceAbstractionStarter]: For program point L347-3(lines 347 351) no Hoare annotation was computed. [2019-11-20 04:38:12,332 INFO L444 ceAbstractionStarter]: For program point L347-6(lines 347 351) no Hoare annotation was computed. [2019-11-20 04:38:12,332 INFO L444 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2019-11-20 04:38:12,332 INFO L440 ceAbstractionStarter]: At program point L183(lines 178 186) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse4) (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse2) .cse3 .cse4) (and (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (and .cse0 .cse2) (= ~pumpRunning~0 0)) .cse1))) [2019-11-20 04:38:12,332 INFO L440 ceAbstractionStarter]: At program point L183-1(lines 178 186) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 (and .cse1 .cse2) (= ~pumpRunning~0 0)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-20 04:38:12,332 INFO L440 ceAbstractionStarter]: At program point L183-2(lines 178 186) the Hoare annotation is: false [2019-11-20 04:38:12,332 INFO L440 ceAbstractionStarter]: At program point L183-3(lines 178 186) the Hoare annotation is: false [2019-11-20 04:38:12,332 INFO L440 ceAbstractionStarter]: At program point L183-4(lines 178 186) the Hoare annotation is: false [2019-11-20 04:38:12,332 INFO L440 ceAbstractionStarter]: At program point L183-5(lines 178 186) the Hoare annotation is: false [2019-11-20 04:38:12,332 INFO L440 ceAbstractionStarter]: At program point L416(lines 411 419) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (and (and .cse0 .cse3) (= ~pumpRunning~0 0))))) [2019-11-20 04:38:12,332 INFO L440 ceAbstractionStarter]: At program point L416-1(lines 411 419) the Hoare annotation is: false [2019-11-20 04:38:12,333 INFO L440 ceAbstractionStarter]: At program point L416-2(lines 411 419) the Hoare annotation is: false [2019-11-20 04:38:12,333 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 04:38:12,333 INFO L444 ceAbstractionStarter]: For program point L284(lines 283 330) no Hoare annotation was computed. [2019-11-20 04:38:12,333 INFO L444 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2019-11-20 04:38:12,333 INFO L444 ceAbstractionStarter]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2019-11-20 04:38:12,333 INFO L444 ceAbstractionStarter]: For program point L251-3(lines 251 255) no Hoare annotation was computed. [2019-11-20 04:38:12,333 INFO L444 ceAbstractionStarter]: For program point L251-5(lines 251 255) no Hoare annotation was computed. [2019-11-20 04:38:12,333 INFO L444 ceAbstractionStarter]: For program point L251-6(lines 251 255) no Hoare annotation was computed. [2019-11-20 04:38:12,333 INFO L444 ceAbstractionStarter]: For program point L251-8(lines 251 255) no Hoare annotation was computed. [2019-11-20 04:38:12,334 INFO L444 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2019-11-20 04:38:12,334 INFO L444 ceAbstractionStarter]: For program point L912-1(lines 912 916) no Hoare annotation was computed. [2019-11-20 04:38:12,334 INFO L444 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2019-11-20 04:38:12,334 INFO L444 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2019-11-20 04:38:12,334 INFO L447 ceAbstractionStarter]: At program point L980-1(lines 980 987) the Hoare annotation is: true [2019-11-20 04:38:12,334 INFO L440 ceAbstractionStarter]: At program point L816(lines 811 818) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:38:12,335 INFO L444 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2019-11-20 04:38:12,335 INFO L440 ceAbstractionStarter]: At program point L321-2(lines 321 325) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1) (= ~pumpRunning~0 0)) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2019-11-20 04:38:12,335 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 04:38:12,335 INFO L440 ceAbstractionStarter]: At program point L884(lines 1 992) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:38:12,335 INFO L440 ceAbstractionStarter]: At program point L257(lines 242 260) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 04:38:12,335 INFO L440 ceAbstractionStarter]: At program point L257-1(lines 242 260) the Hoare annotation is: false [2019-11-20 04:38:12,335 INFO L440 ceAbstractionStarter]: At program point L257-2(lines 242 260) the Hoare annotation is: false [2019-11-20 04:38:12,335 INFO L444 ceAbstractionStarter]: For program point L424(lines 424 430) no Hoare annotation was computed. [2019-11-20 04:38:12,335 INFO L444 ceAbstractionStarter]: For program point L424-1(lines 424 430) no Hoare annotation was computed. [2019-11-20 04:38:12,335 INFO L444 ceAbstractionStarter]: For program point L424-2(lines 424 430) no Hoare annotation was computed. [2019-11-20 04:38:12,336 INFO L444 ceAbstractionStarter]: For program point L424-3(lines 424 430) no Hoare annotation was computed. [2019-11-20 04:38:12,336 INFO L444 ceAbstractionStarter]: For program point L424-4(lines 424 430) no Hoare annotation was computed. [2019-11-20 04:38:12,336 INFO L444 ceAbstractionStarter]: For program point L424-5(lines 424 430) no Hoare annotation was computed. [2019-11-20 04:38:12,336 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 04:38:12,336 INFO L444 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2019-11-20 04:38:12,336 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 299) no Hoare annotation was computed. [2019-11-20 04:38:12,336 INFO L440 ceAbstractionStarter]: At program point L293-1(lines 293 299) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1) (= ~pumpRunning~0 0)) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2019-11-20 04:38:12,336 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2019-11-20 04:38:12,337 INFO L444 ceAbstractionStarter]: For program point L130-1(lines 130 147) no Hoare annotation was computed. [2019-11-20 04:38:12,337 INFO L444 ceAbstractionStarter]: For program point L130-2(lines 130 147) no Hoare annotation was computed. [2019-11-20 04:38:12,337 INFO L447 ceAbstractionStarter]: At program point L989(lines 970 992) the Hoare annotation is: true [2019-11-20 04:38:12,337 INFO L440 ceAbstractionStarter]: At program point L956(lines 952 958) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:38:12,337 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 04:38:12,337 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 04:38:12,337 INFO L440 ceAbstractionStarter]: At program point L429(lines 420 433) the Hoare annotation is: false [2019-11-20 04:38:12,337 INFO L440 ceAbstractionStarter]: At program point L429-1(lines 420 433) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3))) [2019-11-20 04:38:12,338 INFO L440 ceAbstractionStarter]: At program point L429-2(lines 420 433) the Hoare annotation is: false [2019-11-20 04:38:12,338 INFO L440 ceAbstractionStarter]: At program point L429-3(lines 420 433) the Hoare annotation is: false [2019-11-20 04:38:12,338 INFO L440 ceAbstractionStarter]: At program point L429-4(lines 420 433) the Hoare annotation is: false [2019-11-20 04:38:12,338 INFO L440 ceAbstractionStarter]: At program point L429-5(lines 420 433) the Hoare annotation is: false [2019-11-20 04:38:12,338 INFO L440 ceAbstractionStarter]: At program point L892(lines 887 895) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:38:12,338 INFO L440 ceAbstractionStarter]: At program point L826(lines 72 78) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (and .cse0 .cse2) (= ~pumpRunning~0 0)) .cse1))) [2019-11-20 04:38:12,338 INFO L440 ceAbstractionStarter]: At program point L826-1(lines 72 78) the Hoare annotation is: false [2019-11-20 04:38:12,339 INFO L440 ceAbstractionStarter]: At program point L826-2(lines 72 78) the Hoare annotation is: false [2019-11-20 04:38:12,339 INFO L440 ceAbstractionStarter]: At program point L331(lines 282 332) the Hoare annotation is: false [2019-11-20 04:38:12,339 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,339 INFO L444 ceAbstractionStarter]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,339 INFO L444 ceAbstractionStarter]: For program point L232-3(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,339 INFO L444 ceAbstractionStarter]: For program point L232-5(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,339 INFO L444 ceAbstractionStarter]: For program point L232-6(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,340 INFO L444 ceAbstractionStarter]: For program point L232-8(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,340 INFO L444 ceAbstractionStarter]: For program point L232-9(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,340 INFO L444 ceAbstractionStarter]: For program point L232-11(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,340 INFO L444 ceAbstractionStarter]: For program point L232-12(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,340 INFO L444 ceAbstractionStarter]: For program point L232-14(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,340 INFO L444 ceAbstractionStarter]: For program point L232-15(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,341 INFO L444 ceAbstractionStarter]: For program point L232-17(lines 232 236) no Hoare annotation was computed. [2019-11-20 04:38:12,341 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2019-11-20 04:38:12,341 INFO L444 ceAbstractionStarter]: For program point L134-1(lines 134 142) no Hoare annotation was computed. [2019-11-20 04:38:12,341 INFO L444 ceAbstractionStarter]: For program point L134-2(lines 134 142) no Hoare annotation was computed. [2019-11-20 04:38:12,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:38:12 BoogieIcfgContainer [2019-11-20 04:38:12,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:38:12,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:38:12,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:38:12,365 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:38:12,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:06" (3/4) ... [2019-11-20 04:38:12,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:38:12,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 04:38:12,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 04:38:12,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 04:38:12,392 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 04:38:12,393 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 04:38:12,394 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 04:38:12,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == systemActive && 2 <= waterLevel) && 1 < tmp) && tmp <= 2) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 04:38:12,422 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 04:38:12,422 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 04:38:12,422 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 04:38:12,423 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((\result == 0 && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) [2019-11-20 04:38:12,423 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((\result == 0 && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) [2019-11-20 04:38:12,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) [2019-11-20 04:38:12,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) [2019-11-20 04:38:12,425 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) [2019-11-20 04:38:12,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-11-20 04:38:12,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 04:38:12,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && waterLevel <= 2) && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 04:38:12,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-11-20 04:38:12,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && waterLevel <= 2) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 04:38:12,501 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7878359d-9f6b-45ae-bbb1-b4207f3ec43e/bin/uautomizer/witness.graphml [2019-11-20 04:38:12,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:38:12,503 INFO L168 Benchmark]: Toolchain (without parser) took 7887.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 944.8 MB in the beginning and 929.9 MB in the end (delta: 14.9 MB). Peak memory consumption was 212.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:38:12,503 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:38:12,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:38:12,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:38:12,504 INFO L168 Benchmark]: Boogie Preprocessor took 53.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:38:12,505 INFO L168 Benchmark]: RCFGBuilder took 1225.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:38:12,505 INFO L168 Benchmark]: TraceAbstraction took 5679.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.0 GB in the beginning and 946.0 MB in the end (delta: 103.2 MB). Peak memory consumption was 182.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:38:12,505 INFO L168 Benchmark]: Witness Printer took 136.93 ms. Allocated memory is still 1.2 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:38:12,507 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 714.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1225.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5679.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.0 GB in the beginning and 946.0 MB in the end (delta: 103.2 MB). Peak memory consumption was 182.7 MB. Max. memory is 11.5 GB. * Witness Printer took 136.93 ms. Allocated memory is still 1.2 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 2 <= waterLevel) && 1 < tmp) && tmp <= 2) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((\result == 0 && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((\result == 0 && waterLevel <= 2) && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((\result == 0 && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && waterLevel <= 2) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Result: SAFE, OverallTime: 5.5s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, HoareTripleCheckerStatistics: 1029 SDtfs, 1265 SDslu, 1335 SDs, 0 SdLazy, 238 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred 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, 478 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 131 NumberOfFragments, 681 HoareAnnotationTreeSize, 50 FomulaSimplifications, 40962 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 50 FomulaSimplificationsInter, 13496 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 28489 SizeOfPredicates, 4 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...