./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.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_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/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_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/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_c0b8eed5-3d74-4043-a2bf-09691540d452/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 adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:50:04,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:50:05,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:50:05,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:50:05,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:50:05,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:50:05,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:50:05,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:50:05,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:50:05,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:50:05,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:50:05,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:50:05,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:50:05,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:50:05,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:50:05,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:50:05,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:50:05,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:50:05,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:50:05,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:50:05,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:50:05,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:50:05,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:50:05,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:50:05,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:50:05,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:50:05,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:50:05,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:50:05,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:50:05,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:50:05,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:50:05,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:50:05,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:50:05,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:50:05,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:50:05,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:50:05,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:50:05,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:50:05,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:50:05,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:50:05,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:50:05,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:50:05,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:50:05,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:50:05,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:50:05,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:50:05,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:50:05,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:50:05,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:50:05,125 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:50:05,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:50:05,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:50:05,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:50:05,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:50:05,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:50:05,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:50:05,127 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:50:05,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:50:05,128 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:50:05,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:50:05,129 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:50:05,129 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:50:05,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:50:05,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:50:05,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:50:05,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:50:05,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:50:05,131 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:50:05,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:50:05,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:50:05,132 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_c0b8eed5-3d74-4043-a2bf-09691540d452/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 [2021-11-23 00:50:05,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:50:05,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:50:05,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:50:05,427 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:50:05,428 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:50:05,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-11-23 00:50:05,514 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/data/ebfa3bafb/42fc79e7e8fc4a729ad394a708403261/FLAGeb8f7b160 [2021-11-23 00:50:06,104 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:50:06,105 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-11-23 00:50:06,127 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/data/ebfa3bafb/42fc79e7e8fc4a729ad394a708403261/FLAGeb8f7b160 [2021-11-23 00:50:06,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/data/ebfa3bafb/42fc79e7e8fc4a729ad394a708403261 [2021-11-23 00:50:06,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:50:06,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:50:06,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:50:06,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:50:06,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:50:06,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:50:06" (1/1) ... [2021-11-23 00:50:06,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d47f154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:06, skipping insertion in model container [2021-11-23 00:50:06,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:50:06" (1/1) ... [2021-11-23 00:50:06,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:50:06,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:50:06,853 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_c0b8eed5-3d74-4043-a2bf-09691540d452/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936] [2021-11-23 00:50:06,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:50:06,918 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:50:07,049 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_c0b8eed5-3d74-4043-a2bf-09691540d452/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936] [2021-11-23 00:50:07,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:50:07,095 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:50:07,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:07 WrapperNode [2021-11-23 00:50:07,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:50:07,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:50:07,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:50:07,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:50:07,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:07" (1/1) ... [2021-11-23 00:50:07,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:07" (1/1) ... [2021-11-23 00:50:07,177 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 207 [2021-11-23 00:50:07,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:50:07,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:50:07,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:50:07,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:50:07,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:07" (1/1) ... [2021-11-23 00:50:07,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:07" (1/1) ... [2021-11-23 00:50:07,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:07" (1/1) ... [2021-11-23 00:50:07,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:07" (1/1) ... [2021-11-23 00:50:07,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:07" (1/1) ... [2021-11-23 00:50:07,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:07" (1/1) ... [2021-11-23 00:50:07,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:07" (1/1) ... [2021-11-23 00:50:07,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:50:07,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:50:07,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:50:07,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:50:07,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:07" (1/1) ... [2021-11-23 00:50:07,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:50:07,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:50:07,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:50:07,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:50:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:50:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:50:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:50:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:50:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:50:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:50:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:50:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:50:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:50:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:50:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:50:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 00:50:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 00:50:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:50:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:50:07,364 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:50:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:50:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:50:07,444 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:50:07,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:50:07,828 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:50:07,997 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:50:07,997 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:50:08,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:08 BoogieIcfgContainer [2021-11-23 00:50:08,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:50:08,003 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:50:08,003 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:50:08,025 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:50:08,025 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:08" (1/1) ... [2021-11-23 00:50:08,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:50:08,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 58 states and 77 transitions. [2021-11-23 00:50:08,167 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2021-11-23 00:50:08,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:50:08,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:08,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:08,422 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 00:50:08,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2021-11-23 00:50:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2021-11-23 00:50:08,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:50:08,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:08,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:08,559 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 00:50:08,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2021-11-23 00:50:08,585 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2021-11-23 00:50:08,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:50:08,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:08,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:08,678 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 00:50:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2021-11-23 00:50:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2021-11-23 00:50:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:50:08,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:08,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:08,846 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 00:50:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2021-11-23 00:50:09,047 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2021-11-23 00:50:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:50:09,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:09,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:09,240 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 00:50:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 88 states and 132 transitions. [2021-11-23 00:50:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2021-11-23 00:50:09,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:50:09,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:09,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:09,781 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 00:50:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 89 states and 133 transitions. [2021-11-23 00:50:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 133 transitions. [2021-11-23 00:50:09,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:50:09,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:09,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:09,859 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 00:50:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:09,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 90 states and 134 transitions. [2021-11-23 00:50:09,883 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2021-11-23 00:50:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:50:09,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:09,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:09,982 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 00:50:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 96 states and 145 transitions. [2021-11-23 00:50:10,104 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 145 transitions. [2021-11-23 00:50:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:50:10,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:10,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:10,167 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 00:50:10,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 146 transitions. [2021-11-23 00:50:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 146 transitions. [2021-11-23 00:50:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:50:10,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:10,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:10,262 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 00:50:10,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:10,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 98 states and 147 transitions. [2021-11-23 00:50:10,280 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2021-11-23 00:50:10,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:50:10,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:10,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:10,345 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 00:50:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 107 states and 165 transitions. [2021-11-23 00:50:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 165 transitions. [2021-11-23 00:50:10,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:50:10,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:10,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:10,663 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 00:50:10,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:10,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 108 states and 166 transitions. [2021-11-23 00:50:10,693 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 166 transitions. [2021-11-23 00:50:10,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:50:10,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:10,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:10,768 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 00:50:10,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:10,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 109 states and 167 transitions. [2021-11-23 00:50:10,785 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 167 transitions. [2021-11-23 00:50:10,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:50:10,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:10,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:10,838 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 00:50:10,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 110 states and 169 transitions. [2021-11-23 00:50:10,862 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 169 transitions. [2021-11-23 00:50:10,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:50:10,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:10,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:11,136 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:50:12,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:12,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 214 transitions. [2021-11-23 00:50:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 214 transitions. [2021-11-23 00:50:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:50:12,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:12,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:50:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 140 states and 240 transitions. [2021-11-23 00:50:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 240 transitions. [2021-11-23 00:50:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:50:13,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:13,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:13,989 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:50:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 141 states and 241 transitions. [2021-11-23 00:50:14,006 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 241 transitions. [2021-11-23 00:50:14,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:50:14,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:14,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:50:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:14,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 149 states and 262 transitions. [2021-11-23 00:50:14,532 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 262 transitions. [2021-11-23 00:50:14,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:50:14,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:14,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:50:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:14,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 150 states and 263 transitions. [2021-11-23 00:50:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 263 transitions. [2021-11-23 00:50:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:50:14,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:14,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:50:14,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:14,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 151 states and 264 transitions. [2021-11-23 00:50:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 264 transitions. [2021-11-23 00:50:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:50:14,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:14,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:14,710 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:50:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:14,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 154 states and 266 transitions. [2021-11-23 00:50:14,735 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 266 transitions. [2021-11-23 00:50:14,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:50:14,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:14,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:14,781 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:50:14,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:14,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 155 states and 264 transitions. [2021-11-23 00:50:14,974 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 264 transitions. [2021-11-23 00:50:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:50:14,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:14,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:50:15,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 161 states and 273 transitions. [2021-11-23 00:50:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 273 transitions. [2021-11-23 00:50:15,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:50:15,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:50:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 162 states and 274 transitions. [2021-11-23 00:50:15,488 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 274 transitions. [2021-11-23 00:50:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:50:15,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:15,550 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:50:15,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 163 states and 275 transitions. [2021-11-23 00:50:15,570 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 275 transitions. [2021-11-23 00:50:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:50:15,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:50:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 164 states and 278 transitions. [2021-11-23 00:50:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 278 transitions. [2021-11-23 00:50:15,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:50:15,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:50:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 170 states and 285 transitions. [2021-11-23 00:50:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 285 transitions. [2021-11-23 00:50:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:50:15,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:50:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 59 states and 78 transitions. [2021-11-23 00:50:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2021-11-23 00:50:15,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:50:15,756 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2021-11-23 00:50:15,770 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:50:15,976 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:50:15,985 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,986 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,987 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,987 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,987 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,987 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,988 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,988 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 00:50:15,989 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,989 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,989 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,989 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-23 00:50:15,990 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,990 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,990 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:15,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:50:15 ImpRootNode [2021-11-23 00:50:15,991 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:50:15,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:50:15,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:50:15,992 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:50:15,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:08" (3/4) ... [2021-11-23 00:50:15,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:50:16,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 00:50:16,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 00:50:16,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:50:16,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:50:16,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:50:16,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:50:16,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:50:16,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2021-11-23 00:50:16,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:50:16,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 00:50:16,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:50:16,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:50:16,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:50:16,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:50:16,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2021-11-23 00:50:16,122 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:50:16,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:50:16,123 INFO L158 Benchmark]: Toolchain (without parser) took 9713.91ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 54.4MB in the beginning and 64.9MB in the end (delta: -10.5MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2021-11-23 00:50:16,124 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory was 60.3MB in the beginning and 60.3MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:50:16,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 685.79ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 54.4MB in the beginning and 83.3MB in the end (delta: -28.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-23 00:50:16,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.94ms. Allocated memory is still 115.3MB. Free memory was 83.3MB in the beginning and 80.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:50:16,125 INFO L158 Benchmark]: Boogie Preprocessor took 77.94ms. Allocated memory is still 115.3MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:50:16,125 INFO L158 Benchmark]: RCFGBuilder took 744.67ms. Allocated memory is still 115.3MB. Free memory was 79.7MB in the beginning and 89.7MB in the end (delta: -10.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-11-23 00:50:16,126 INFO L158 Benchmark]: CodeCheck took 7988.01ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 89.7MB in the beginning and 70.2MB in the end (delta: 19.5MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2021-11-23 00:50:16,126 INFO L158 Benchmark]: Witness Printer took 130.81ms. Allocated memory is still 144.7MB. Free memory was 70.2MB in the beginning and 64.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:50:16,128 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, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 29, 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, 7128 SdHoareTripleChecker+Valid, 12.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3433 mSDsluCounter, 7979 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5509 mSDsCounter, 1882 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7010 IncrementalHoareTripleChecker+Invalid, 8892 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1882 mSolverCounterUnsat, 2646 mSDtfsCounter, 7010 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9743 GetRequests, 9594 SyntacticMatches, 5 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7430 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1109 NumberOfCodeBlocks, 1109 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1081 ConstructedInterpolants, 0 QuantifiedInterpolants, 2245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 21 PerfectInterpolantSequences, 386/420 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: 697]: 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: 136]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && tmp == 1) && tmp == systemActive - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory was 60.3MB in the beginning and 60.3MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 685.79ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 54.4MB in the beginning and 83.3MB in the end (delta: -28.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.94ms. Allocated memory is still 115.3MB. Free memory was 83.3MB in the beginning and 80.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.94ms. Allocated memory is still 115.3MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 744.67ms. Allocated memory is still 115.3MB. Free memory was 79.7MB in the beginning and 89.7MB in the end (delta: -10.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * CodeCheck took 7988.01ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 89.7MB in the beginning and 70.2MB in the end (delta: 19.5MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * Witness Printer took 130.81ms. Allocated memory is still 144.7MB. Free memory was 70.2MB in the beginning and 64.9MB 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 00:50:16,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b8eed5-3d74-4043-a2bf-09691540d452/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