./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.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_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/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_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/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_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/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 a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:56:42,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:56:42,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:56:42,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:56:42,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:56:42,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:56:42,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:56:42,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:56:42,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:56:42,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:56:42,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:56:42,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:56:42,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:56:42,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:56:42,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:56:42,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:56:42,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:56:42,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:56:42,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:56:42,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:56:42,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:56:42,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:56:42,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:56:42,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:56:42,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:56:42,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:56:42,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:56:42,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:56:42,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:56:42,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:56:42,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:56:42,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:56:42,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:56:42,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:56:42,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:56:42,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:56:42,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:56:42,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:56:42,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:56:42,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:56:42,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:56:42,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:56:42,870 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:56:42,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:56:42,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:56:42,871 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:56:42,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:56:42,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:56:42,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:56:42,872 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:56:42,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:56:42,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:56:42,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:56:42,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:56:42,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:56:42,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:56:42,874 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:56:42,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:56:42,874 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:56:42,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:56:42,874 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:56:42,875 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:56:42,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:56:42,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:56:42,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:56:42,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:56:42,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:56:42,876 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:56:42,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:56:42,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:56:42,876 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_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 [2021-11-23 00:56:43,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:56:43,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:56:43,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:56:43,138 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:56:43,139 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:56:43,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2021-11-23 00:56:43,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/data/c8537a9fc/4073925fd4a54430b696d78bda31d2c4/FLAG6a1f225b2 [2021-11-23 00:56:43,738 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:56:43,739 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2021-11-23 00:56:43,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/data/c8537a9fc/4073925fd4a54430b696d78bda31d2c4/FLAG6a1f225b2 [2021-11-23 00:56:44,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/data/c8537a9fc/4073925fd4a54430b696d78bda31d2c4 [2021-11-23 00:56:44,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:56:44,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:56:44,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:56:44,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:56:44,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:56:44,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c249341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44, skipping insertion in model container [2021-11-23 00:56:44,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:56:44,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:56:44,326 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_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2021-11-23 00:56:44,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:56:44,432 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:56:44,448 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_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2021-11-23 00:56:44,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:56:44,576 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:56:44,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44 WrapperNode [2021-11-23 00:56:44,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:56:44,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:56:44,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:56:44,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:56:44,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,672 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 200 [2021-11-23 00:56:44,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:56:44,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:56:44,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:56:44,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:56:44,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:56:44,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:56:44,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:56:44,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:56:44,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:44" (1/1) ... [2021-11-23 00:56:44,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:56:44,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:56:44,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:56:44,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:56:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:56:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:56:44,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:56:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:56:44,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:56:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:56:44,829 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:56:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:56:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:56:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:56:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:56:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 00:56:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 00:56:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:56:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:56:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:56:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:56:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:56:44,900 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:56:44,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:56:45,202 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:56:45,302 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:56:45,302 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:56:45,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:45 BoogieIcfgContainer [2021-11-23 00:56:45,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:56:45,306 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:56:45,306 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:56:45,319 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:56:45,320 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:45" (1/1) ... [2021-11-23 00:56:45,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:56:45,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:45,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2021-11-23 00:56:45,417 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2021-11-23 00:56:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:56:45,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:45,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2021-11-23 00:56:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2021-11-23 00:56:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:56:45,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:45,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:45,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2021-11-23 00:56:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-11-23 00:56:45,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:56:45,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:45,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2021-11-23 00:56:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2021-11-23 00:56:46,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:56:46,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:46,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2021-11-23 00:56:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2021-11-23 00:56:46,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:56:46,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:46,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2021-11-23 00:56:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2021-11-23 00:56:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:56:46,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:46,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:46,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 84 states and 121 transitions. [2021-11-23 00:56:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-11-23 00:56:46,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:56:46,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:46,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:47,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 103 states and 159 transitions. [2021-11-23 00:56:47,710 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 159 transitions. [2021-11-23 00:56:47,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:56:47,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:47,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:47,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 104 states and 160 transitions. [2021-11-23 00:56:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 160 transitions. [2021-11-23 00:56:47,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:56:47,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:47,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:47,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:48,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 114 states and 183 transitions. [2021-11-23 00:56:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 183 transitions. [2021-11-23 00:56:48,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:56:48,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:48,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:48,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 115 states and 184 transitions. [2021-11-23 00:56:48,785 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2021-11-23 00:56:48,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:56:48,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:48,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 116 states and 187 transitions. [2021-11-23 00:56:48,946 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2021-11-23 00:56:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:56:48,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:48,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:49,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:49,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 117 states and 188 transitions. [2021-11-23 00:56:49,007 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 188 transitions. [2021-11-23 00:56:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:56:49,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:49,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:49,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:49,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:49,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 122 states and 197 transitions. [2021-11-23 00:56:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 197 transitions. [2021-11-23 00:56:49,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:56:49,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:49,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:49,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:49,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 127 states and 208 transitions. [2021-11-23 00:56:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 208 transitions. [2021-11-23 00:56:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:56:49,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:49,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:56:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:50,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 130 states and 217 transitions. [2021-11-23 00:56:50,616 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 217 transitions. [2021-11-23 00:56:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:56:50,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:50,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:50,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:50,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 131 states and 218 transitions. [2021-11-23 00:56:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 218 transitions. [2021-11-23 00:56:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:56:50,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:50,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:50,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:50,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 134 states and 224 transitions. [2021-11-23 00:56:50,900 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 224 transitions. [2021-11-23 00:56:50,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:56:50,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:50,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:51,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:51,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 136 states and 229 transitions. [2021-11-23 00:56:51,124 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 229 transitions. [2021-11-23 00:56:51,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:56:51,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:51,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:51,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:51,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 143 states and 247 transitions. [2021-11-23 00:56:51,374 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 247 transitions. [2021-11-23 00:56:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:56:51,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:51,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:56:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 150 states and 264 transitions. [2021-11-23 00:56:52,610 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 264 transitions. [2021-11-23 00:56:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:56:52,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:52,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:52,812 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:54,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 159 states and 282 transitions. [2021-11-23 00:56:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 282 transitions. [2021-11-23 00:56:54,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:56:54,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:54,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:54,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 160 states and 283 transitions. [2021-11-23 00:56:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 283 transitions. [2021-11-23 00:56:54,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:56:54,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:54,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:56:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 168 states and 305 transitions. [2021-11-23 00:56:54,988 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 305 transitions. [2021-11-23 00:56:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:56:54,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:54,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:56:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 169 states and 306 transitions. [2021-11-23 00:56:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 306 transitions. [2021-11-23 00:56:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:56:55,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:55,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:55,112 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 00:56:55,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 172 states and 311 transitions. [2021-11-23 00:56:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 311 transitions. [2021-11-23 00:56:55,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:56:55,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:55,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:55,166 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 00:56:55,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:55,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 173 states and 312 transitions. [2021-11-23 00:56:55,193 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 312 transitions. [2021-11-23 00:56:55,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:56:55,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:55,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 00:56:55,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 56 states and 66 transitions. [2021-11-23 00:56:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2021-11-23 00:56:55,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:56:55,246 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2021-11-23 00:56:55,254 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:56:55,490 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:56:55,494 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2021-11-23 00:56:55,499 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:56:55,500 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:56:55,500 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:56:55,500 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:56:55,500 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:56:55,500 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:56:55,501 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:56:55,501 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:56:55,501 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:56:55,501 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:56:55,501 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:56:55,501 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:56:55,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:56:55 ImpRootNode [2021-11-23 00:56:55,502 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:56:55,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:56:55,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:56:55,503 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:56:55,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:45" (3/4) ... [2021-11-23 00:56:55,507 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:56:55,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:56:55,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:56:55,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:56:55,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:56:55,514 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:56:55,514 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:56:55,514 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-23 00:56:55,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2021-11-23 00:56:55,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:56:55,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:56:55,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:56:55,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:56:55,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:56:55,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:56:55,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || 0 == systemActive [2021-11-23 00:56:55,599 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:56:55,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:56:55,600 INFO L158 Benchmark]: Toolchain (without parser) took 11510.56ms. Allocated memory was 102.8MB in the beginning and 211.8MB in the end (delta: 109.1MB). Free memory was 63.9MB in the beginning and 99.9MB in the end (delta: -36.1MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2021-11-23 00:56:55,600 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:56:55,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.31ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 63.7MB in the beginning and 105.6MB in the end (delta: -41.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2021-11-23 00:56:55,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.09ms. Allocated memory is still 130.0MB. Free memory was 105.6MB in the beginning and 105.1MB in the end (delta: 406.3kB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 00:56:55,602 INFO L158 Benchmark]: Boogie Preprocessor took 49.95ms. Allocated memory is still 130.0MB. Free memory was 105.1MB in the beginning and 103.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:56:55,602 INFO L158 Benchmark]: RCFGBuilder took 574.27ms. Allocated memory is still 130.0MB. Free memory was 103.8MB in the beginning and 84.2MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:56:55,603 INFO L158 Benchmark]: CodeCheck took 10196.29ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 84.2MB in the beginning and 105.2MB in the end (delta: -20.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2021-11-23 00:56:55,603 INFO L158 Benchmark]: Witness Printer took 96.27ms. Allocated memory is still 211.8MB. Free memory was 105.2MB in the beginning and 99.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:56:55,605 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 8 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 28, 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, 6790 SdHoareTripleChecker+Valid, 15.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3042 mSDsluCounter, 6798 SdHoareTripleChecker+Invalid, 12.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5293 mSDsCounter, 2352 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8587 IncrementalHoareTripleChecker+Invalid, 10939 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2352 mSolverCounterUnsat, 2453 mSDtfsCounter, 8587 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10341 GetRequests, 10139 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17720 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1099 NumberOfCodeBlocks, 1099 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1072 ConstructedInterpolants, 0 QuantifiedInterpolants, 1988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 23 PerfectInterpolantSequences, 324/334 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: 123]: 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: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || 0 == systemActive - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == systemActive - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.31ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 63.7MB in the beginning and 105.6MB in the end (delta: -41.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.09ms. Allocated memory is still 130.0MB. Free memory was 105.6MB in the beginning and 105.1MB in the end (delta: 406.3kB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.95ms. Allocated memory is still 130.0MB. Free memory was 105.1MB in the beginning and 103.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.27ms. Allocated memory is still 130.0MB. Free memory was 103.8MB in the beginning and 84.2MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10196.29ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 84.2MB in the beginning and 105.2MB in the end (delta: -20.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 96.27ms. Allocated memory is still 211.8MB. Free memory was 105.2MB in the beginning and 99.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:56:55,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a4f0ee-2b64-4252-8ddc-db151a8c4229/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE