./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:17:55,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:17:55,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:17:55,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:17:55,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:17:55,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:17:55,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:17:55,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:17:55,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:17:55,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:17:55,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:17:55,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:17:55,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:17:55,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:17:55,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:17:55,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:17:55,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:17:55,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:17:55,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:17:55,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:17:55,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:17:55,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:17:55,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:17:55,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:17:55,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:17:55,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:17:55,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:17:55,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:17:55,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:17:55,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:17:55,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:17:55,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:17:55,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:17:55,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:17:55,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:17:55,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:17:55,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:17:55,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:17:55,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:17:55,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:17:55,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:17:55,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:17:55,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:17:55,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:17:55,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:17:55,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:17:55,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:17:55,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:17:55,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:17:55,658 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:17:55,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:17:55,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:17:55,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:17:55,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:17:55,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:17:55,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:17:55,660 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:17:55,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:17:55,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:17:55,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:17:55,661 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:17:55,661 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:17:55,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:17:55,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:55,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:17:55,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:17:55,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:17:55,662 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:17:55,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:17:55,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:17:55,663 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_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb [2021-11-22 23:17:55,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:17:55,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:17:55,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:17:55,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:17:55,959 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:17:55,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-11-22 23:17:56,039 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/data/4f590a554/a9cbed18b18c482a80bf11e33fc0c269/FLAGcddc2c884 [2021-11-22 23:17:56,607 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:17:56,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-11-22 23:17:56,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/data/4f590a554/a9cbed18b18c482a80bf11e33fc0c269/FLAGcddc2c884 [2021-11-22 23:17:56,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/data/4f590a554/a9cbed18b18c482a80bf11e33fc0c269 [2021-11-22 23:17:56,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:17:56,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:17:56,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:56,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:17:56,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:17:56,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:56" (1/1) ... [2021-11-22 23:17:56,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398c6068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:56, skipping insertion in model container [2021-11-22 23:17:56,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:56" (1/1) ... [2021-11-22 23:17:56,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:17:56,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:17:57,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-11-22 23:17:57,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:57,309 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:17:57,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-11-22 23:17:57,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:57,470 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:17:57,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:57 WrapperNode [2021-11-22 23:17:57,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:57,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:57,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:17:57,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:17:57,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:57" (1/1) ... [2021-11-22 23:17:57,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:57" (1/1) ... [2021-11-22 23:17:57,537 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 206 [2021-11-22 23:17:57,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:57,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:17:57,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:17:57,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:17:57,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:57" (1/1) ... [2021-11-22 23:17:57,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:57" (1/1) ... [2021-11-22 23:17:57,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:57" (1/1) ... [2021-11-22 23:17:57,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:57" (1/1) ... [2021-11-22 23:17:57,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:57" (1/1) ... [2021-11-22 23:17:57,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:57" (1/1) ... [2021-11-22 23:17:57,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:57" (1/1) ... [2021-11-22 23:17:57,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:17:57,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:17:57,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:17:57,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:17:57,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:57" (1/1) ... [2021-11-22 23:17:57,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:57,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:17:57,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:17:57,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:17:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:17:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-22 23:17:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-22 23:17:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-22 23:17:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-22 23:17:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-22 23:17:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-22 23:17:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-22 23:17:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-22 23:17:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-22 23:17:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-22 23:17:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-22 23:17:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-22 23:17:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-22 23:17:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-22 23:17:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:17:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-22 23:17:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-22 23:17:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:17:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:17:57,802 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:17:57,804 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:17:58,139 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:17:58,194 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:17:58,194 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:17:58,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:58 BoogieIcfgContainer [2021-11-22 23:17:58,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:17:58,198 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:17:58,198 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:17:58,208 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:17:58,208 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:58" (1/1) ... [2021-11-22 23:17:58,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:17:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2021-11-22 23:17:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2021-11-22 23:17:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:17:58,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:58,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2021-11-22 23:17:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2021-11-22 23:17:58,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:58,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:58,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2021-11-22 23:17:58,693 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2021-11-22 23:17:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:17:58,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 68 states and 92 transitions. [2021-11-22 23:17:58,818 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2021-11-22 23:17:58,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:17:58,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:58,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2021-11-22 23:17:58,977 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2021-11-22 23:17:58,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:17:58,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 77 states and 107 transitions. [2021-11-22 23:17:59,089 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2021-11-22 23:17:59,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:17:59,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 94 states and 142 transitions. [2021-11-22 23:17:59,603 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 142 transitions. [2021-11-22 23:17:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:59,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 95 states and 143 transitions. [2021-11-22 23:17:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 143 transitions. [2021-11-22 23:17:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:59,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 100 states and 155 transitions. [2021-11-22 23:17:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2021-11-22 23:17:59,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:17:59,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 101 states and 156 transitions. [2021-11-22 23:17:59,920 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2021-11-22 23:17:59,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:59,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:01,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2021-11-22 23:18:01,025 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2021-11-22 23:18:01,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:01,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:01,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 125 states and 204 transitions. [2021-11-22 23:18:01,139 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 204 transitions. [2021-11-22 23:18:01,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:01,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 210 transitions. [2021-11-22 23:18:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2021-11-22 23:18:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:01,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:01,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 132 states and 215 transitions. [2021-11-22 23:18:01,352 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 215 transitions. [2021-11-22 23:18:01,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:18:01,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:01,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 136 states and 225 transitions. [2021-11-22 23:18:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 225 transitions. [2021-11-22 23:18:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:01,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 142 states and 238 transitions. [2021-11-22 23:18:01,608 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 238 transitions. [2021-11-22 23:18:01,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:18:01,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 143 states and 239 transitions. [2021-11-22 23:18:01,672 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 239 transitions. [2021-11-22 23:18:01,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:18:01,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:01,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 146 states and 246 transitions. [2021-11-22 23:18:01,906 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 246 transitions. [2021-11-22 23:18:01,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:18:01,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 154 states and 270 transitions. [2021-11-22 23:18:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 270 transitions. [2021-11-22 23:18:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:18:03,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 157 states and 276 transitions. [2021-11-22 23:18:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 276 transitions. [2021-11-22 23:18:03,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:18:03,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 158 states and 279 transitions. [2021-11-22 23:18:03,768 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 279 transitions. [2021-11-22 23:18:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:18:03,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 165 states and 294 transitions. [2021-11-22 23:18:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 294 transitions. [2021-11-22 23:18:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:18:04,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 168 states and 299 transitions. [2021-11-22 23:18:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 299 transitions. [2021-11-22 23:18:05,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:18:05,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:05,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 169 states and 301 transitions. [2021-11-22 23:18:05,312 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 301 transitions. [2021-11-22 23:18:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:18:05,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,357 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:18:05,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 177 states and 313 transitions. [2021-11-22 23:18:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 313 transitions. [2021-11-22 23:18:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:18:05,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:18:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 194 states and 355 transitions. [2021-11-22 23:18:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 355 transitions. [2021-11-22 23:18:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:18:07,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:18:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 195 states and 356 transitions. [2021-11-22 23:18:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 356 transitions. [2021-11-22 23:18:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:18:07,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:18:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 207 states and 384 transitions. [2021-11-22 23:18:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 384 transitions. [2021-11-22 23:18:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:18:08,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:18:09,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 210 states and 388 transitions. [2021-11-22 23:18:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 388 transitions. [2021-11-22 23:18:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:18:09,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:18:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 211 states and 389 transitions. [2021-11-22 23:18:09,103 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 389 transitions. [2021-11-22 23:18:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:18:09,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:10,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 220 states and 408 transitions. [2021-11-22 23:18:10,637 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 408 transitions. [2021-11-22 23:18:10,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:18:10,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,661 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 222 states and 415 transitions. [2021-11-22 23:18:10,961 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 415 transitions. [2021-11-22 23:18:10,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:18:10,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:18:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 223 states and 416 transitions. [2021-11-22 23:18:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 416 transitions. [2021-11-22 23:18:11,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:18:11,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:12,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 232 states and 436 transitions. [2021-11-22 23:18:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 436 transitions. [2021-11-22 23:18:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:18:12,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,183 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 236 states and 435 transitions. [2021-11-22 23:18:12,742 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 435 transitions. [2021-11-22 23:18:12,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:18:12,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:18:12,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 242 states and 445 transitions. [2021-11-22 23:18:12,947 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 445 transitions. [2021-11-22 23:18:12,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:18:12,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:18:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 243 states and 448 transitions. [2021-11-22 23:18:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 448 transitions. [2021-11-22 23:18:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:18:13,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:18:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 251 states and 461 transitions. [2021-11-22 23:18:13,636 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 461 transitions. [2021-11-22 23:18:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:18:13,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:18:13,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 252 states and 462 transitions. [2021-11-22 23:18:13,684 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 462 transitions. [2021-11-22 23:18:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:18:13,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:18:13,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 253 states and 465 transitions. [2021-11-22 23:18:14,000 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 465 transitions. [2021-11-22 23:18:14,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:18:14,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:18:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 254 states and 466 transitions. [2021-11-22 23:18:14,063 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 466 transitions. [2021-11-22 23:18:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:18:14,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,095 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:18:14,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 257 states and 469 transitions. [2021-11-22 23:18:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 469 transitions. [2021-11-22 23:18:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:18:14,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:18:14,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 260 states and 473 transitions. [2021-11-22 23:18:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 473 transitions. [2021-11-22 23:18:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:18:14,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:18:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 261 states and 474 transitions. [2021-11-22 23:18:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 474 transitions. [2021-11-22 23:18:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:18:14,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,262 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 23:18:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 264 states and 477 transitions. [2021-11-22 23:18:14,287 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 477 transitions. [2021-11-22 23:18:14,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:18:14,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 269 states and 484 transitions. [2021-11-22 23:18:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 484 transitions. [2021-11-22 23:18:14,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:18:14,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 270 states and 485 transitions. [2021-11-22 23:18:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 485 transitions. [2021-11-22 23:18:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:18:14,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:18:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 271 states and 486 transitions. [2021-11-22 23:18:14,532 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 486 transitions. [2021-11-22 23:18:14,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:18:14,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,561 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:18:14,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 92 states and 123 transitions. [2021-11-22 23:18:14,586 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 123 transitions. [2021-11-22 23:18:14,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:18:14,587 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 49 iterations. [2021-11-22 23:18:14,603 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:18:14,948 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,953 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-22 23:18:14,960 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,961 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,961 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-22 23:18:14,962 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-22 23:18:14,962 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,963 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,963 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,963 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,963 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,963 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,963 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,963 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,964 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:14,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:18:14 ImpRootNode [2021-11-22 23:18:14,965 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:18:14,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:18:14,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:18:14,966 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:18:14,966 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:58" (3/4) ... [2021-11-22 23:18:14,970 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:18:14,975 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-22 23:18:14,975 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-22 23:18:14,975 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-22 23:18:14,976 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-22 23:18:14,976 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-22 23:18:14,976 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-22 23:18:14,976 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-22 23:18:14,976 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-22 23:18:14,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2021-11-22 23:18:14,993 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-11-22 23:18:14,993 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-22 23:18:14,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 23:18:14,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 23:18:14,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:18:14,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:18:15,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(1 == systemActive)) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) [2021-11-22 23:18:15,096 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:18:15,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:18:15,098 INFO L158 Benchmark]: Toolchain (without parser) took 18204.01ms. Allocated memory was 81.8MB in the beginning and 176.2MB in the end (delta: 94.4MB). Free memory was 43.1MB in the beginning and 75.6MB in the end (delta: -32.4MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2021-11-22 23:18:15,098 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:15,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.90ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 42.9MB in the beginning and 66.9MB in the end (delta: -23.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:18:15,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.05ms. Allocated memory is still 98.6MB. Free memory was 66.9MB in the beginning and 64.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:15,099 INFO L158 Benchmark]: Boogie Preprocessor took 61.35ms. Allocated memory is still 98.6MB. Free memory was 64.2MB in the beginning and 62.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:15,099 INFO L158 Benchmark]: RCFGBuilder took 597.10ms. Allocated memory is still 98.6MB. Free memory was 62.8MB in the beginning and 44.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 23:18:15,100 INFO L158 Benchmark]: CodeCheck took 16766.87ms. Allocated memory was 98.6MB in the beginning and 176.2MB in the end (delta: 77.6MB). Free memory was 44.5MB in the beginning and 81.8MB in the end (delta: -37.3MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2021-11-22 23:18:15,100 INFO L158 Benchmark]: Witness Printer took 131.28ms. Allocated memory is still 176.2MB. Free memory was 81.8MB in the beginning and 75.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 23:18:15,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.4s, OverallIterations: 49, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20819 SdHoareTripleChecker+Valid, 39.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11184 mSDsluCounter, 23329 SdHoareTripleChecker+Invalid, 33.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18236 mSDsCounter, 7839 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26021 IncrementalHoareTripleChecker+Invalid, 33860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7839 mSolverCounterUnsat, 6215 mSDtfsCounter, 26021 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22053 GetRequests, 21753 SyntacticMatches, 16 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36266 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2171 NumberOfCodeBlocks, 2171 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 2123 ConstructedInterpolants, 0 QuantifiedInterpolants, 3914 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 42 PerfectInterpolantSequences, 761/789 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 458]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(1 == systemActive)) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || !(pumpRunning == 0)) || tmp == 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.90ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 42.9MB in the beginning and 66.9MB in the end (delta: -23.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.05ms. Allocated memory is still 98.6MB. Free memory was 66.9MB in the beginning and 64.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.35ms. Allocated memory is still 98.6MB. Free memory was 64.2MB in the beginning and 62.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.10ms. Allocated memory is still 98.6MB. Free memory was 62.8MB in the beginning and 44.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 16766.87ms. Allocated memory was 98.6MB in the beginning and 176.2MB in the end (delta: 77.6MB). Free memory was 44.5MB in the beginning and 81.8MB in the end (delta: -37.3MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Witness Printer took 131.28ms. Allocated memory is still 176.2MB. Free memory was 81.8MB in the beginning and 75.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:18:15,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1ea1b-2fb9-4b1b-a7d4-310fc5e66f33/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE