./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.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_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/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_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/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_0c03f767-ba77-4e39-8ad8-5f9869949b5e/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 c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:36:28,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:36:29,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:36:29,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:36:29,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:36:29,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:36:29,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:36:29,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:36:29,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:36:29,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:36:29,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:36:29,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:36:29,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:36:29,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:36:29,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:36:29,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:36:29,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:36:29,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:36:29,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:36:29,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:36:29,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:36:29,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:36:29,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:36:29,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:36:29,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:36:29,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:36:29,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:36:29,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:36:29,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:36:29,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:36:29,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:36:29,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:36:29,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:36:29,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:36:29,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:36:29,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:36:29,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:36:29,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:36:29,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:36:29,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:36:29,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:36:29,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:36:29,133 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:36:29,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:36:29,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:36:29,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:36:29,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:36:29,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:36:29,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:36:29,138 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:36:29,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:36:29,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:36:29,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:36:29,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:36:29,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:36:29,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:36:29,141 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:36:29,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:36:29,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:36:29,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:36:29,142 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:36:29,143 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:36:29,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:36:29,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:36:29,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:36:29,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:36:29,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:36:29,145 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:36:29,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:36:29,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:36:29,146 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_0c03f767-ba77-4e39-8ad8-5f9869949b5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a [2021-11-23 00:36:29,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:36:29,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:36:29,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:36:29,428 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:36:29,429 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:36:29,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2021-11-23 00:36:29,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/data/37f1913da/4f2bd3ec73e74684bb8937f16cc09eff/FLAG0b84d5b22 [2021-11-23 00:36:30,024 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:36:30,025 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2021-11-23 00:36:30,039 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/data/37f1913da/4f2bd3ec73e74684bb8937f16cc09eff/FLAG0b84d5b22 [2021-11-23 00:36:30,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/data/37f1913da/4f2bd3ec73e74684bb8937f16cc09eff [2021-11-23 00:36:30,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:36:30,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:36:30,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:36:30,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:36:30,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:36:30,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:30,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f95882e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30, skipping insertion in model container [2021-11-23 00:36:30,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:30,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:36:30,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:36:30,756 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_0c03f767-ba77-4e39-8ad8-5f9869949b5e/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2021-11-23 00:36:30,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:36:30,777 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:36:30,903 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_0c03f767-ba77-4e39-8ad8-5f9869949b5e/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2021-11-23 00:36:30,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:36:30,930 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:36:30,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30 WrapperNode [2021-11-23 00:36:30,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:36:30,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:36:30,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:36:30,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:36:30,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:30,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:31,015 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 195 [2021-11-23 00:36:31,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:36:31,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:36:31,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:36:31,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:36:31,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:31,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:31,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:31,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:31,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:31,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:31,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:31,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:36:31,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:36:31,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:36:31,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:36:31,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:30" (1/1) ... [2021-11-23 00:36:31,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:36:31,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:36:31,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:36:31,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:36:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:36:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:36:31,162 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:36:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:36:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:36:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:36:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:36:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:36:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:36:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:36:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:36:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 00:36:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 00:36:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:36:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:36:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:36:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:36:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:36:31,254 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:36:31,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:36:31,560 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:36:31,641 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:36:31,642 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:36:31,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:31 BoogieIcfgContainer [2021-11-23 00:36:31,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:36:31,645 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:36:31,645 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:36:31,656 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:36:31,656 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:31" (1/1) ... [2021-11-23 00:36:31,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:36:31,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2021-11-23 00:36:31,728 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2021-11-23 00:36:31,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:36:31,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,915 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 00:36:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2021-11-23 00:36:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2021-11-23 00:36:31,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:36:31,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:32,024 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 00:36:32,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:32,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2021-11-23 00:36:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2021-11-23 00:36:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:36:32,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:32,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:32,225 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 00:36:32,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2021-11-23 00:36:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-11-23 00:36:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:36:32,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:32,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:32,534 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 00:36:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:33,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 79 states and 116 transitions. [2021-11-23 00:36:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2021-11-23 00:36:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:36:33,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:33,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:33,187 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 00:36:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:33,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 88 states and 133 transitions. [2021-11-23 00:36:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2021-11-23 00:36:33,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:36:33,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:33,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:33,359 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 00:36:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 103 states and 165 transitions. [2021-11-23 00:36:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2021-11-23 00:36:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:36:34,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,304 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 00:36:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 105 states and 167 transitions. [2021-11-23 00:36:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 167 transitions. [2021-11-23 00:36:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:34,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,475 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 00:36:34,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 111 states and 177 transitions. [2021-11-23 00:36:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 177 transitions. [2021-11-23 00:36:34,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:36:34,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,709 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 00:36:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 112 states and 178 transitions. [2021-11-23 00:36:34,729 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 178 transitions. [2021-11-23 00:36:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:36:34,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,779 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 00:36:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 117 states and 188 transitions. [2021-11-23 00:36:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 188 transitions. [2021-11-23 00:36:34,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:36:34,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:35,173 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 00:36:35,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 120 states and 195 transitions. [2021-11-23 00:36:35,743 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 195 transitions. [2021-11-23 00:36:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:36:35,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:35,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:35,774 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 00:36:36,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 210 transitions. [2021-11-23 00:36:36,160 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 210 transitions. [2021-11-23 00:36:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:36:36,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 134 states and 222 transitions. [2021-11-23 00:36:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 222 transitions. [2021-11-23 00:36:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:36:36,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:36,793 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 00:36:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 136 states and 226 transitions. [2021-11-23 00:36:36,822 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 226 transitions. [2021-11-23 00:36:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:36:36,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:36,851 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 00:36:36,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 137 states and 227 transitions. [2021-11-23 00:36:36,866 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 227 transitions. [2021-11-23 00:36:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:36:36,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:36,905 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 00:36:37,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 138 states and 229 transitions. [2021-11-23 00:36:37,066 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 229 transitions. [2021-11-23 00:36:37,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:36:37,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:37,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:37,092 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 00:36:37,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 139 states and 231 transitions. [2021-11-23 00:36:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 231 transitions. [2021-11-23 00:36:37,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:37,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:37,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:37,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:37,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 140 states and 232 transitions. [2021-11-23 00:36:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 232 transitions. [2021-11-23 00:36:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:36:37,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:37,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:36:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:38,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 154 states and 260 transitions. [2021-11-23 00:36:38,652 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2021-11-23 00:36:38,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:36:38,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:38,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:36:39,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:39,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 161 states and 276 transitions. [2021-11-23 00:36:39,719 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 276 transitions. [2021-11-23 00:36:39,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:36:39,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:39,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:36:39,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 163 states and 277 transitions. [2021-11-23 00:36:39,790 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 277 transitions. [2021-11-23 00:36:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:36:39,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:39,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:36:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:40,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 164 states and 279 transitions. [2021-11-23 00:36:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 279 transitions. [2021-11-23 00:36:40,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:36:40,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:40,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:36:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 172 states and 291 transitions. [2021-11-23 00:36:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 291 transitions. [2021-11-23 00:36:41,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:36:41,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:41,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:41,097 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:36:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 173 states and 292 transitions. [2021-11-23 00:36:41,118 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 292 transitions. [2021-11-23 00:36:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:36:41,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:41,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:41,173 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 00:36:41,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 176 states and 297 transitions. [2021-11-23 00:36:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 297 transitions. [2021-11-23 00:36:41,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:36:41,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:41,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:41,227 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 00:36:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:41,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 177 states and 298 transitions. [2021-11-23 00:36:41,258 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 298 transitions. [2021-11-23 00:36:41,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:36:41,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:41,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:41,313 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 00:36:41,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 57 states and 68 transitions. [2021-11-23 00:36:41,332 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2021-11-23 00:36:41,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:36:41,336 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2021-11-23 00:36:41,347 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:36:41,580 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 00:36:41,589 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,589 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,589 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,589 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,590 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,590 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:36:41,597 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,597 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,598 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,598 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:36:41,599 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,601 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,601 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,602 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:41,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:36:41 ImpRootNode [2021-11-23 00:36:41,603 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:36:41,603 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:36:41,603 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:36:41,604 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:36:41,604 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:31" (3/4) ... [2021-11-23 00:36:41,608 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:36:41,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:36:41,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:36:41,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:36:41,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:36:41,615 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:36:41,615 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:36:41,616 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-23 00:36:41,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2021-11-23 00:36:41,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:36:41,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:36:41,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:36:41,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:36:41,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:36:41,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:36:41,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2021-11-23 00:36:41,725 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:36:41,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:36:41,726 INFO L158 Benchmark]: Toolchain (without parser) took 11363.79ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 78.1MB in the beginning and 77.3MB in the end (delta: 777.9kB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2021-11-23 00:36:41,726 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 81.8MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:36:41,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.17ms. Allocated memory is still 107.0MB. Free memory was 78.1MB in the beginning and 59.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:36:41,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.90ms. Allocated memory is still 107.0MB. Free memory was 59.9MB in the beginning and 57.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:36:41,728 INFO L158 Benchmark]: Boogie Preprocessor took 62.91ms. Allocated memory is still 107.0MB. Free memory was 57.6MB in the beginning and 56.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:36:41,728 INFO L158 Benchmark]: RCFGBuilder took 563.75ms. Allocated memory is still 107.0MB. Free memory was 56.0MB in the beginning and 83.8MB in the end (delta: -27.8MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-11-23 00:36:41,728 INFO L158 Benchmark]: CodeCheck took 9958.08ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 83.4MB in the beginning and 82.6MB in the end (delta: 788.7kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2021-11-23 00:36:41,729 INFO L158 Benchmark]: Witness Printer took 121.81ms. Allocated memory is still 130.0MB. Free memory was 82.6MB in the beginning and 77.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:36:41,732 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, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, 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, 6730 SdHoareTripleChecker+Valid, 15.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3083 mSDsluCounter, 7340 SdHoareTripleChecker+Invalid, 13.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5360 mSDsCounter, 3535 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9969 IncrementalHoareTripleChecker+Invalid, 13504 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3535 mSolverCounterUnsat, 2446 mSDtfsCounter, 9969 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10767 GetRequests, 10569 SyntacticMatches, 4 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15239 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1124 NumberOfCodeBlocks, 1124 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1097 ConstructedInterpolants, 0 QuantifiedInterpolants, 2093 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 20 PerfectInterpolantSequences, 374/404 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: 900]: 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: 714]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 81.8MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.17ms. Allocated memory is still 107.0MB. Free memory was 78.1MB in the beginning and 59.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.90ms. Allocated memory is still 107.0MB. Free memory was 59.9MB in the beginning and 57.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.91ms. Allocated memory is still 107.0MB. Free memory was 57.6MB in the beginning and 56.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.75ms. Allocated memory is still 107.0MB. Free memory was 56.0MB in the beginning and 83.8MB in the end (delta: -27.8MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * CodeCheck took 9958.08ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 83.4MB in the beginning and 82.6MB in the end (delta: 788.7kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Witness Printer took 121.81ms. Allocated memory is still 130.0MB. Free memory was 82.6MB in the beginning and 77.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:36:41,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c03f767-ba77-4e39-8ad8-5f9869949b5e/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