./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf3a2246a69bfa51c25534a65289619c12c7abe9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:39:53,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:39:53,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:39:53,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:39:53,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:39:53,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:39:53,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:39:53,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:39:53,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:39:53,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:39:53,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:39:53,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:39:53,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:39:53,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:39:53,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:39:53,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:39:53,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:39:53,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:39:53,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:39:53,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:39:53,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:39:53,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:39:53,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:39:53,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:39:53,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:39:53,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:39:53,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:39:53,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:39:53,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:39:53,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:39:53,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:39:53,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:39:53,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:39:53,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:39:53,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:39:53,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:39:53,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:39:53,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:39:53,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:39:53,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:39:53,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:39:53,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:39:53,600 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:39:53,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:39:53,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:39:53,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:39:53,604 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:39:53,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:39:53,605 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:39:53,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:39:53,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:39:53,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:39:53,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:39:53,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:39:53,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:39:53,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:39:53,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:39:53,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:39:53,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:39:53,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:39:53,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:39:53,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:39:53,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:39:53,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:39:53,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:39:53,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:39:53,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:39:53,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:39:53,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:39:53,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:39:53,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:39:53,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf3a2246a69bfa51c25534a65289619c12c7abe9 [2020-11-29 22:39:53,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:39:54,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:39:54,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:39:54,021 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:39:54,023 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:39:54,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2020-11-29 22:39:54,137 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/data/47bc4cf4c/e5d9937c38ac4718b73270a9b2e23577/FLAGa0c6d14a6 [2020-11-29 22:39:54,881 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:39:54,882 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2020-11-29 22:39:54,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/data/47bc4cf4c/e5d9937c38ac4718b73270a9b2e23577/FLAGa0c6d14a6 [2020-11-29 22:39:55,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/data/47bc4cf4c/e5d9937c38ac4718b73270a9b2e23577 [2020-11-29 22:39:55,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:39:55,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:39:55,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:39:55,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:39:55,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:39:55,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:39:55" (1/1) ... [2020-11-29 22:39:55,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@303df9a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55, skipping insertion in model container [2020-11-29 22:39:55,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:39:55" (1/1) ... [2020-11-29 22:39:55,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:39:55,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:39:55,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:39:55,748 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:39:55,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:39:55,932 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:39:55,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55 WrapperNode [2020-11-29 22:39:55,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:39:55,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:39:55,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:39:55,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:39:55,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55" (1/1) ... [2020-11-29 22:39:55,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55" (1/1) ... [2020-11-29 22:39:56,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:39:56,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:39:56,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:39:56,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:39:56,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55" (1/1) ... [2020-11-29 22:39:56,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55" (1/1) ... [2020-11-29 22:39:56,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55" (1/1) ... [2020-11-29 22:39:56,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55" (1/1) ... [2020-11-29 22:39:56,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55" (1/1) ... [2020-11-29 22:39:56,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55" (1/1) ... [2020-11-29 22:39:56,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55" (1/1) ... [2020-11-29 22:39:56,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:39:56,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:39:56,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:39:56,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:39:56,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:39:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:39:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:39:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:39:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:39:57,660 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:39:57,661 INFO L298 CfgBuilder]: Removed 176 assume(true) statements. [2020-11-29 22:39:57,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:39:57 BoogieIcfgContainer [2020-11-29 22:39:57,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:39:57,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:39:57,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:39:57,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:39:57,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:39:55" (1/3) ... [2020-11-29 22:39:57,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d19bb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:39:57, skipping insertion in model container [2020-11-29 22:39:57,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:39:55" (2/3) ... [2020-11-29 22:39:57,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d19bb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:39:57, skipping insertion in model container [2020-11-29 22:39:57,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:39:57" (3/3) ... [2020-11-29 22:39:57,675 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-11-29 22:39:57,690 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:39:57,696 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 22:39:57,712 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 22:39:57,746 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:39:57,747 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:39:57,747 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:39:57,747 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:39:57,747 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:39:57,748 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:39:57,748 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:39:57,748 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:39:57,771 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2020-11-29 22:39:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 22:39:57,780 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:39:57,781 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:39:57,782 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:39:57,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:39:57,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1663179744, now seen corresponding path program 1 times [2020-11-29 22:39:57,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:39:57,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312509560] [2020-11-29 22:39:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:39:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:39:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:39:58,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312509560] [2020-11-29 22:39:58,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:39:58,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:39:58,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458242935] [2020-11-29 22:39:58,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:39:58,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:39:58,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:39:58,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:39:58,249 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2020-11-29 22:39:58,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:39:58,327 INFO L93 Difference]: Finished difference Result 236 states and 355 transitions. [2020-11-29 22:39:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:39:58,329 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-11-29 22:39:58,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:39:58,355 INFO L225 Difference]: With dead ends: 236 [2020-11-29 22:39:58,356 INFO L226 Difference]: Without dead ends: 116 [2020-11-29 22:39:58,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:39:58,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-11-29 22:39:58,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-11-29 22:39:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-11-29 22:39:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2020-11-29 22:39:58,494 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2020-11-29 22:39:58,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:39:58,495 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2020-11-29 22:39:58,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:39:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2020-11-29 22:39:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 22:39:58,497 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:39:58,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:39:58,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:39:58,498 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:39:58,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:39:58,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1774175132, now seen corresponding path program 1 times [2020-11-29 22:39:58,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:39:58,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095937372] [2020-11-29 22:39:58,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:39:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:39:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:39:58,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095937372] [2020-11-29 22:39:58,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:39:58,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:39:58,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536356397] [2020-11-29 22:39:58,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:39:58,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:39:58,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:39:58,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:39:58,680 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 3 states. [2020-11-29 22:39:58,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:39:58,703 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2020-11-29 22:39:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:39:58,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-29 22:39:58,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:39:58,706 INFO L225 Difference]: With dead ends: 116 [2020-11-29 22:39:58,706 INFO L226 Difference]: Without dead ends: 49 [2020-11-29 22:39:58,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:39:58,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-29 22:39:58,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-29 22:39:58,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-29 22:39:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-11-29 22:39:58,717 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2020-11-29 22:39:58,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:39:58,718 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-11-29 22:39:58,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:39:58,718 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-11-29 22:39:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 22:39:58,720 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:39:58,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:39:58,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:39:58,721 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:39:58,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:39:58,722 INFO L82 PathProgramCache]: Analyzing trace with hash 2013244568, now seen corresponding path program 1 times [2020-11-29 22:39:58,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:39:58,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127974628] [2020-11-29 22:39:58,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:39:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:39:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:39:58,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127974628] [2020-11-29 22:39:58,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:39:58,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:39:58,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278082561] [2020-11-29 22:39:58,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:39:58,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:39:58,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:39:58,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:39:58,871 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-11-29 22:39:58,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:39:58,887 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2020-11-29 22:39:58,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:39:58,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 22:39:58,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:39:58,897 INFO L225 Difference]: With dead ends: 91 [2020-11-29 22:39:58,898 INFO L226 Difference]: Without dead ends: 49 [2020-11-29 22:39:58,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:39:58,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-29 22:39:58,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-29 22:39:58,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-29 22:39:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2020-11-29 22:39:58,913 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2020-11-29 22:39:58,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:39:58,914 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2020-11-29 22:39:58,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:39:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2020-11-29 22:39:58,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:39:58,916 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:39:58,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:39:58,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:39:58,917 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:39:58,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:39:58,918 INFO L82 PathProgramCache]: Analyzing trace with hash -997731729, now seen corresponding path program 1 times [2020-11-29 22:39:58,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:39:58,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784269767] [2020-11-29 22:39:58,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:39:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:39:59,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:39:59,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784269767] [2020-11-29 22:39:59,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:39:59,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:39:59,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979732843] [2020-11-29 22:39:59,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:39:59,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:39:59,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:39:59,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:39:59,042 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand 3 states. [2020-11-29 22:39:59,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:39:59,133 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2020-11-29 22:39:59,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:39:59,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-11-29 22:39:59,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:39:59,136 INFO L225 Difference]: With dead ends: 115 [2020-11-29 22:39:59,136 INFO L226 Difference]: Without dead ends: 73 [2020-11-29 22:39:59,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:39:59,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-29 22:39:59,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2020-11-29 22:39:59,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-29 22:39:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-11-29 22:39:59,171 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2020-11-29 22:39:59,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:39:59,172 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-11-29 22:39:59,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:39:59,173 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-11-29 22:39:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 22:39:59,175 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:39:59,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:39:59,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:39:59,176 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:39:59,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:39:59,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1921834210, now seen corresponding path program 1 times [2020-11-29 22:39:59,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:39:59,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514461600] [2020-11-29 22:39:59,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:39:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:39:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:39:59,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514461600] [2020-11-29 22:39:59,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:39:59,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:39:59,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354716638] [2020-11-29 22:39:59,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:39:59,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:39:59,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:39:59,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:39:59,266 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 5 states. [2020-11-29 22:39:59,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:39:59,396 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2020-11-29 22:39:59,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 22:39:59,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-29 22:39:59,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:39:59,399 INFO L225 Difference]: With dead ends: 190 [2020-11-29 22:39:59,399 INFO L226 Difference]: Without dead ends: 126 [2020-11-29 22:39:59,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:39:59,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-29 22:39:59,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2020-11-29 22:39:59,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-29 22:39:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2020-11-29 22:39:59,421 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2020-11-29 22:39:59,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:39:59,421 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2020-11-29 22:39:59,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:39:59,422 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2020-11-29 22:39:59,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 22:39:59,423 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:39:59,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:39:59,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:39:59,424 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:39:59,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:39:59,425 INFO L82 PathProgramCache]: Analyzing trace with hash -988370501, now seen corresponding path program 1 times [2020-11-29 22:39:59,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:39:59,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406669518] [2020-11-29 22:39:59,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:39:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:39:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:39:59,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406669518] [2020-11-29 22:39:59,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:39:59,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 22:39:59,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340664398] [2020-11-29 22:39:59,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:39:59,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:39:59,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:39:59,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:39:59,584 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2020-11-29 22:39:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:39:59,815 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2020-11-29 22:39:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 22:39:59,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-29 22:39:59,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:39:59,822 INFO L225 Difference]: With dead ends: 260 [2020-11-29 22:39:59,823 INFO L226 Difference]: Without dead ends: 190 [2020-11-29 22:39:59,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 22:39:59,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-11-29 22:39:59,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2020-11-29 22:39:59,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-29 22:39:59,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2020-11-29 22:39:59,836 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2020-11-29 22:39:59,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:39:59,837 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2020-11-29 22:39:59,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:39:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2020-11-29 22:39:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 22:39:59,839 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:39:59,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:39:59,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 22:39:59,841 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:39:59,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:39:59,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1220769632, now seen corresponding path program 1 times [2020-11-29 22:39:59,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:39:59,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341902695] [2020-11-29 22:39:59,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:39:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:39:59,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:39:59,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341902695] [2020-11-29 22:39:59,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:39:59,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 22:39:59,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707695420] [2020-11-29 22:39:59,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:39:59,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:39:59,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:39:59,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:39:59,972 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 4 states. [2020-11-29 22:40:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:40:00,045 INFO L93 Difference]: Finished difference Result 177 states and 238 transitions. [2020-11-29 22:40:00,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 22:40:00,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-11-29 22:40:00,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:40:00,047 INFO L225 Difference]: With dead ends: 177 [2020-11-29 22:40:00,047 INFO L226 Difference]: Without dead ends: 108 [2020-11-29 22:40:00,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:40:00,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-11-29 22:40:00,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 80. [2020-11-29 22:40:00,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-11-29 22:40:00,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2020-11-29 22:40:00,070 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2020-11-29 22:40:00,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:40:00,071 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2020-11-29 22:40:00,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:40:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2020-11-29 22:40:00,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 22:40:00,072 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:40:00,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:40:00,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 22:40:00,073 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:40:00,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:40:00,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1807575646, now seen corresponding path program 1 times [2020-11-29 22:40:00,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:40:00,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145286146] [2020-11-29 22:40:00,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:40:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:40:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:40:00,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145286146] [2020-11-29 22:40:00,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:40:00,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:40:00,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968858568] [2020-11-29 22:40:00,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:40:00,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:40:00,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:40:00,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:40:00,165 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 3 states. [2020-11-29 22:40:00,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:40:00,203 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2020-11-29 22:40:00,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:40:00,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-29 22:40:00,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:40:00,205 INFO L225 Difference]: With dead ends: 181 [2020-11-29 22:40:00,205 INFO L226 Difference]: Without dead ends: 108 [2020-11-29 22:40:00,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:40:00,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-11-29 22:40:00,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-11-29 22:40:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-11-29 22:40:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2020-11-29 22:40:00,223 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2020-11-29 22:40:00,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:40:00,223 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2020-11-29 22:40:00,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:40:00,224 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2020-11-29 22:40:00,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 22:40:00,225 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:40:00,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:40:00,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 22:40:00,226 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:40:00,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:40:00,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1091445474, now seen corresponding path program 1 times [2020-11-29 22:40:00,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:40:00,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521325035] [2020-11-29 22:40:00,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:40:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:40:00,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:40:00,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521325035] [2020-11-29 22:40:00,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:40:00,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 22:40:00,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240911194] [2020-11-29 22:40:00,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 22:40:00,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:40:00,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 22:40:00,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:40:00,390 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand 7 states. [2020-11-29 22:40:00,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:40:00,849 INFO L93 Difference]: Finished difference Result 512 states and 685 transitions. [2020-11-29 22:40:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 22:40:00,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-11-29 22:40:00,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:40:00,854 INFO L225 Difference]: With dead ends: 512 [2020-11-29 22:40:00,854 INFO L226 Difference]: Without dead ends: 439 [2020-11-29 22:40:00,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-11-29 22:40:00,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-11-29 22:40:00,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 186. [2020-11-29 22:40:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-11-29 22:40:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 241 transitions. [2020-11-29 22:40:00,904 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 241 transitions. Word has length 35 [2020-11-29 22:40:00,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:40:00,906 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 241 transitions. [2020-11-29 22:40:00,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 22:40:00,906 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 241 transitions. [2020-11-29 22:40:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 22:40:00,914 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:40:00,915 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:40:00,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 22:40:00,916 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:40:00,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:40:00,917 INFO L82 PathProgramCache]: Analyzing trace with hash -303169889, now seen corresponding path program 1 times [2020-11-29 22:40:00,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:40:00,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161854951] [2020-11-29 22:40:00,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:40:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:40:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:40:01,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161854951] [2020-11-29 22:40:01,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511950113] [2020-11-29 22:40:01,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:40:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:40:01,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 22:40:01,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:40:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:40:01,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 22:40:01,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-11-29 22:40:01,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959310939] [2020-11-29 22:40:01,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 22:40:01,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:40:01,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 22:40:01,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 22:40:01,549 INFO L87 Difference]: Start difference. First operand 186 states and 241 transitions. Second operand 8 states. [2020-11-29 22:40:01,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:40:01,844 INFO L93 Difference]: Finished difference Result 426 states and 570 transitions. [2020-11-29 22:40:01,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 22:40:01,845 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-11-29 22:40:01,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:40:01,847 INFO L225 Difference]: With dead ends: 426 [2020-11-29 22:40:01,848 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:40:01,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-11-29 22:40:01,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:40:01,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:40:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:40:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:40:01,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-11-29 22:40:01,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:40:01,850 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:40:01,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 22:40:01,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:40:01,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:40:02,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 22:40:02,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:40:03,042 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2020-11-29 22:40:03,251 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 20 [2020-11-29 22:40:03,576 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2020-11-29 22:40:03,891 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2020-11-29 22:40:04,251 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2020-11-29 22:40:04,434 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 21 [2020-11-29 22:40:04,745 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2020-11-29 22:40:05,340 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 23 [2020-11-29 22:40:05,544 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:40:05,544 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 22:40:05,545 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 22:40:05,545 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 22:40:05,545 INFO L274 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-11-29 22:40:05,545 INFO L274 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-11-29 22:40:05,545 INFO L274 CegarLoopResult]: For program point L301-2(line 301) no Hoare annotation was computed. [2020-11-29 22:40:05,545 INFO L274 CegarLoopResult]: For program point L500(lines 499 544) no Hoare annotation was computed. [2020-11-29 22:40:05,545 INFO L270 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: false [2020-11-29 22:40:05,546 INFO L270 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-11-29 22:40:05,546 INFO L270 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-11-29 22:40:05,546 INFO L270 CegarLoopResult]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-11-29 22:40:05,546 INFO L270 CegarLoopResult]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-11-29 22:40:05,546 INFO L270 CegarLoopResult]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-11-29 22:40:05,546 INFO L274 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-11-29 22:40:05,546 INFO L274 CegarLoopResult]: For program point L535(lines 535 539) no Hoare annotation was computed. [2020-11-29 22:40:05,546 INFO L274 CegarLoopResult]: For program point L535-2(lines 529 540) no Hoare annotation was computed. [2020-11-29 22:40:05,546 INFO L274 CegarLoopResult]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-11-29 22:40:05,547 INFO L270 CegarLoopResult]: At program point L172-1(lines 1 953) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3) (and (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) .cse2 .cse3))) [2020-11-29 22:40:05,547 INFO L274 CegarLoopResult]: For program point L172-2(lines 172 189) no Hoare annotation was computed. [2020-11-29 22:40:05,547 INFO L270 CegarLoopResult]: At program point L172-3(lines 1 953) the Hoare annotation is: false [2020-11-29 22:40:05,547 INFO L274 CegarLoopResult]: For program point L172-4(lines 172 189) no Hoare annotation was computed. [2020-11-29 22:40:05,547 INFO L270 CegarLoopResult]: At program point L172-5(lines 1 953) the Hoare annotation is: false [2020-11-29 22:40:05,547 INFO L270 CegarLoopResult]: At program point L206-2(lines 206 220) the Hoare annotation is: false [2020-11-29 22:40:05,547 INFO L274 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-11-29 22:40:05,547 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:40:05,547 INFO L274 CegarLoopResult]: For program point L176(lines 176 186) no Hoare annotation was computed. [2020-11-29 22:40:05,548 INFO L274 CegarLoopResult]: For program point L176-2(lines 176 186) no Hoare annotation was computed. [2020-11-29 22:40:05,548 INFO L274 CegarLoopResult]: For program point L176-4(lines 176 186) no Hoare annotation was computed. [2020-11-29 22:40:05,548 INFO L274 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-11-29 22:40:05,548 INFO L274 CegarLoopResult]: For program point L177(lines 177 183) no Hoare annotation was computed. [2020-11-29 22:40:05,548 INFO L274 CegarLoopResult]: For program point L210-1(lines 210 214) no Hoare annotation was computed. [2020-11-29 22:40:05,548 INFO L274 CegarLoopResult]: For program point L177-2(lines 177 183) no Hoare annotation was computed. [2020-11-29 22:40:05,548 INFO L274 CegarLoopResult]: For program point L177-4(lines 177 183) no Hoare annotation was computed. [2020-11-29 22:40:05,548 INFO L274 CegarLoopResult]: For program point L376(lines 376 393) no Hoare annotation was computed. [2020-11-29 22:40:05,548 INFO L274 CegarLoopResult]: For program point L376-1(lines 376 393) no Hoare annotation was computed. [2020-11-29 22:40:05,548 INFO L274 CegarLoopResult]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2020-11-29 22:40:05,548 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-29 22:40:05,549 INFO L274 CegarLoopResult]: For program point L509(lines 509 515) no Hoare annotation was computed. [2020-11-29 22:40:05,549 INFO L270 CegarLoopResult]: At program point L509-1(lines 509 515) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3))) [2020-11-29 22:40:05,549 INFO L270 CegarLoopResult]: At program point L576(lines 1 953) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 22:40:05,549 INFO L274 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,549 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,549 INFO L274 CegarLoopResult]: For program point L478-3(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,549 INFO L274 CegarLoopResult]: For program point L478-5(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,549 INFO L274 CegarLoopResult]: For program point L478-6(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,549 INFO L274 CegarLoopResult]: For program point L478-8(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,550 INFO L274 CegarLoopResult]: For program point L478-9(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,550 INFO L274 CegarLoopResult]: For program point L478-11(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,550 INFO L274 CegarLoopResult]: For program point L478-12(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,550 INFO L274 CegarLoopResult]: For program point L478-14(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,550 INFO L274 CegarLoopResult]: For program point L478-15(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,550 INFO L274 CegarLoopResult]: For program point L478-17(lines 478 482) no Hoare annotation was computed. [2020-11-29 22:40:05,550 INFO L270 CegarLoopResult]: At program point L545(lines 498 546) the Hoare annotation is: false [2020-11-29 22:40:05,550 INFO L274 CegarLoopResult]: For program point L380(lines 380 388) no Hoare annotation was computed. [2020-11-29 22:40:05,550 INFO L274 CegarLoopResult]: For program point L380-1(lines 380 388) no Hoare annotation was computed. [2020-11-29 22:40:05,550 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 388) no Hoare annotation was computed. [2020-11-29 22:40:05,550 INFO L274 CegarLoopResult]: For program point L283(lines 283 290) no Hoare annotation was computed. [2020-11-29 22:40:05,551 INFO L277 CegarLoopResult]: At program point L283-1(lines 283 290) the Hoare annotation is: true [2020-11-29 22:40:05,551 INFO L270 CegarLoopResult]: At program point L151(lines 146 153) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 22:40:05,551 INFO L274 CegarLoopResult]: For program point L350(lines 350 367) no Hoare annotation was computed. [2020-11-29 22:40:05,551 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:40:05,551 INFO L274 CegarLoopResult]: For program point L350-1(lines 350 367) no Hoare annotation was computed. [2020-11-29 22:40:05,551 INFO L274 CegarLoopResult]: For program point L350-2(lines 350 367) no Hoare annotation was computed. [2020-11-29 22:40:05,551 INFO L274 CegarLoopResult]: For program point L350-3(lines 350 367) no Hoare annotation was computed. [2020-11-29 22:40:05,551 INFO L274 CegarLoopResult]: For program point L350-4(lines 350 367) no Hoare annotation was computed. [2020-11-29 22:40:05,551 INFO L274 CegarLoopResult]: For program point L350-5(lines 350 367) no Hoare annotation was computed. [2020-11-29 22:40:05,552 INFO L270 CegarLoopResult]: At program point L318(lines 314 336) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2))) [2020-11-29 22:40:05,552 INFO L270 CegarLoopResult]: At program point L318-1(lines 314 336) the Hoare annotation is: false [2020-11-29 22:40:05,552 INFO L270 CegarLoopResult]: At program point L318-2(lines 314 336) the Hoare annotation is: false [2020-11-29 22:40:05,552 INFO L270 CegarLoopResult]: At program point L484(lines 469 487) the Hoare annotation is: false [2020-11-29 22:40:05,552 INFO L270 CegarLoopResult]: At program point L484-1(lines 469 487) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3))) [2020-11-29 22:40:05,552 INFO L270 CegarLoopResult]: At program point L484-2(lines 469 487) the Hoare annotation is: false [2020-11-29 22:40:05,552 INFO L270 CegarLoopResult]: At program point L484-3(lines 469 487) the Hoare annotation is: false [2020-11-29 22:40:05,552 INFO L270 CegarLoopResult]: At program point L484-4(lines 469 487) the Hoare annotation is: false [2020-11-29 22:40:05,552 INFO L270 CegarLoopResult]: At program point L484-5(lines 469 487) the Hoare annotation is: false [2020-11-29 22:40:05,553 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-11-29 22:40:05,553 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-11-29 22:40:05,553 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-11-29 22:40:05,553 INFO L270 CegarLoopResult]: At program point L584(lines 579 587) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 22:40:05,553 INFO L274 CegarLoopResult]: For program point L519(lines 519 525) no Hoare annotation was computed. [2020-11-29 22:40:05,553 INFO L270 CegarLoopResult]: At program point L519-1(lines 519 525) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3))) [2020-11-29 22:40:05,553 INFO L270 CegarLoopResult]: At program point L420(lines 413 423) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-29 22:40:05,553 INFO L270 CegarLoopResult]: At program point L420-1(lines 413 423) the Hoare annotation is: false [2020-11-29 22:40:05,554 INFO L274 CegarLoopResult]: For program point L354(lines 354 362) no Hoare annotation was computed. [2020-11-29 22:40:05,554 INFO L270 CegarLoopResult]: At program point L420-2(lines 413 423) the Hoare annotation is: false [2020-11-29 22:40:05,554 INFO L274 CegarLoopResult]: For program point L354-1(lines 354 362) no Hoare annotation was computed. [2020-11-29 22:40:05,554 INFO L274 CegarLoopResult]: For program point L354-2(lines 354 362) no Hoare annotation was computed. [2020-11-29 22:40:05,554 INFO L270 CegarLoopResult]: At program point L255(lines 251 257) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 22:40:05,554 INFO L274 CegarLoopResult]: For program point L354-3(lines 354 362) no Hoare annotation was computed. [2020-11-29 22:40:05,554 INFO L274 CegarLoopResult]: For program point L354-4(lines 354 362) no Hoare annotation was computed. [2020-11-29 22:40:05,554 INFO L274 CegarLoopResult]: For program point L354-5(lines 354 362) no Hoare annotation was computed. [2020-11-29 22:40:05,554 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:40:05,555 INFO L270 CegarLoopResult]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3))) [2020-11-29 22:40:05,555 INFO L270 CegarLoopResult]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-11-29 22:40:05,555 INFO L270 CegarLoopResult]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-11-29 22:40:05,555 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-29 22:40:05,555 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-11-29 22:40:05,555 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-11-29 22:40:05,555 INFO L270 CegarLoopResult]: At program point L325(lines 325 331) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-11-29 22:40:05,556 INFO L270 CegarLoopResult]: At program point L325-1(lines 325 331) the Hoare annotation is: false [2020-11-29 22:40:05,556 INFO L277 CegarLoopResult]: At program point L292(lines 273 295) the Hoare annotation is: true [2020-11-29 22:40:05,556 INFO L270 CegarLoopResult]: At program point L325-2(lines 325 331) the Hoare annotation is: false [2020-11-29 22:40:05,556 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:40:05,556 INFO L270 CegarLoopResult]: At program point L161(lines 318 324) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2))) [2020-11-29 22:40:05,556 INFO L270 CegarLoopResult]: At program point L161-1(lines 318 324) the Hoare annotation is: false [2020-11-29 22:40:05,556 INFO L270 CegarLoopResult]: At program point L161-2(lines 318 324) the Hoare annotation is: false [2020-11-29 22:40:05,556 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:40:05,556 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:40:05,557 INFO L270 CegarLoopResult]: At program point L429(lines 424 432) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse4 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 .cse4 .cse1 .cse2))) [2020-11-29 22:40:05,557 INFO L270 CegarLoopResult]: At program point L429-1(lines 424 432) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-11-29 22:40:05,557 INFO L270 CegarLoopResult]: At program point L429-2(lines 424 432) the Hoare annotation is: false [2020-11-29 22:40:05,557 INFO L270 CegarLoopResult]: At program point L429-3(lines 424 432) the Hoare annotation is: false [2020-11-29 22:40:05,557 INFO L270 CegarLoopResult]: At program point L429-4(lines 424 432) the Hoare annotation is: false [2020-11-29 22:40:05,558 INFO L270 CegarLoopResult]: At program point L429-5(lines 424 432) the Hoare annotation is: false [2020-11-29 22:40:05,558 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-11-29 22:40:05,558 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-11-29 22:40:05,558 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-11-29 22:40:05,558 INFO L274 CegarLoopResult]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-11-29 22:40:05,558 INFO L274 CegarLoopResult]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-11-29 22:40:05,558 INFO L274 CegarLoopResult]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-11-29 22:40:05,558 INFO L274 CegarLoopResult]: For program point L529(lines 529 540) no Hoare annotation was computed. [2020-11-29 22:40:05,559 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-29 22:40:05,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:40:05 BoogieIcfgContainer [2020-11-29 22:40:05,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:40:05,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:40:05,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:40:05,621 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:40:05,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:39:57" (3/4) ... [2020-11-29 22:40:05,626 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:40:05,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 22:40:05,678 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 22:40:05,680 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 22:40:05,681 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 22:40:05,683 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:40:05,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:40:05,686 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:40:05,727 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((tmp <= 2 && 1 == systemActive) && pumpRunning == 1) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 22:40:05,729 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 22:40:05,730 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 22:40:05,733 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 22:40:05,734 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 22:40:05,734 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 22:40:05,735 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 22:40:05,737 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((1 == systemActive && pumpRunning == 1) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 22:40:05,738 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2 [2020-11-29 22:40:05,739 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2 [2020-11-29 22:40:05,744 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 22:40:05,745 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 22:40:05,750 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 22:40:05,910 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aeed8534-519f-4426-b36e-e18e6260cfaf/bin/uautomizer/witness.graphml [2020-11-29 22:40:05,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:40:05,911 INFO L168 Benchmark]: Toolchain (without parser) took 10741.01 ms. Allocated memory was 90.2 MB in the beginning and 167.8 MB in the end (delta: 77.6 MB). Free memory was 59.3 MB in the beginning and 86.2 MB in the end (delta: -26.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:40:05,912 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 90.2 MB. Free memory was 49.7 MB in the beginning and 49.6 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:40:05,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.32 ms. Allocated memory is still 90.2 MB. Free memory was 59.1 MB in the beginning and 56.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:40:05,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.56 ms. Allocated memory is still 90.2 MB. Free memory was 56.3 MB in the beginning and 52.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:40:05,913 INFO L168 Benchmark]: Boogie Preprocessor took 87.23 ms. Allocated memory is still 90.2 MB. Free memory was 52.6 MB in the beginning and 49.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:40:05,914 INFO L168 Benchmark]: RCFGBuilder took 1540.38 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 49.8 MB in the beginning and 67.3 MB in the end (delta: -17.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:40:05,914 INFO L168 Benchmark]: TraceAbstraction took 7954.60 ms. Allocated memory was 109.1 MB in the beginning and 167.8 MB in the end (delta: 58.7 MB). Free memory was 66.7 MB in the beginning and 96.7 MB in the end (delta: -30.0 MB). Peak memory consumption was 76.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:40:05,915 INFO L168 Benchmark]: Witness Printer took 289.14 ms. Allocated memory is still 167.8 MB. Free memory was 96.7 MB in the beginning and 86.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:40:05,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 90.2 MB. Free memory was 49.7 MB in the beginning and 49.6 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 761.32 ms. Allocated memory is still 90.2 MB. Free memory was 59.1 MB in the beginning and 56.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.56 ms. Allocated memory is still 90.2 MB. Free memory was 56.3 MB in the beginning and 52.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.23 ms. Allocated memory is still 90.2 MB. Free memory was 52.6 MB in the beginning and 49.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1540.38 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 49.8 MB in the beginning and 67.3 MB in the end (delta: -17.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7954.60 ms. Allocated memory was 109.1 MB in the beginning and 167.8 MB in the end (delta: 58.7 MB). Free memory was 66.7 MB in the beginning and 96.7 MB in the end (delta: -30.0 MB). Peak memory consumption was 76.2 MB. Max. memory is 16.1 GB. * Witness Printer took 289.14 ms. Allocated memory is still 167.8 MB. Free memory was 96.7 MB in the beginning and 86.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((1 == systemActive && pumpRunning == 1) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((tmp <= 2 && 1 == systemActive) && pumpRunning == 1) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1011 SDtfs, 1185 SDslu, 1307 SDs, 0 SdLazy, 232 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 446 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 141 NumberOfFragments, 602 HoareAnnotationTreeSize, 49 FomulaSimplifications, 29083 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 49 FomulaSimplificationsInter, 7375 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 28487 SizeOfPredicates, 4 NumberOfNonLiveVariables, 438 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...