./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB --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 7e401b19fa73801dafa3ee94892588c53fc375d864d82edcc9ff671172238c8c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:49:11,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:11,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:11,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:11,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:11,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:12,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:12,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:12,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:12,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:12,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:12,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:12,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:12,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:12,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:12,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:12,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:12,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:12,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:12,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:12,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:12,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:12,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:12,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:12,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:12,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:12,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:12,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:12,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:12,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:12,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:12,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:12,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:12,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:12,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:12,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:12,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:12,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:12,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:12,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:12,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:12,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:12,112 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:12,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:12,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:12,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:12,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:12,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:12,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:12,116 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:12,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:12,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:12,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:12,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:12,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:12,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:12,129 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:12,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:12,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:12,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:12,130 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:12,130 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:12,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:12,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:12,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:12,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:12,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:12,133 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:12,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:12,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:12,134 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_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e401b19fa73801dafa3ee94892588c53fc375d864d82edcc9ff671172238c8c [2022-10-17 16:49:12,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:12,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:12,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:12,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:12,541 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:12,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2022-10-17 16:49:12,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/data/511daec9d/f059b0a9e6e54558a7e5e7377ce54240/FLAG8123edc24 [2022-10-17 16:49:13,209 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:13,210 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2022-10-17 16:49:13,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/data/511daec9d/f059b0a9e6e54558a7e5e7377ce54240/FLAG8123edc24 [2022-10-17 16:49:13,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/data/511daec9d/f059b0a9e6e54558a7e5e7377ce54240 [2022-10-17 16:49:13,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:13,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:13,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:13,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:13,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:13,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:13" (1/1) ... [2022-10-17 16:49:13,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1178768b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:13, skipping insertion in model container [2022-10-17 16:49:13,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:13" (1/1) ... [2022-10-17 16:49:13,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:13,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:13,996 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_a4a3459f-f602-4ea8-b836-9ad63c9185d3/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c[17493,17506] [2022-10-17 16:49:14,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:14,015 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:14,110 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_a4a3459f-f602-4ea8-b836-9ad63c9185d3/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c[17493,17506] [2022-10-17 16:49:14,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:14,136 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:14,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14 WrapperNode [2022-10-17 16:49:14,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:14,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:14,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:14,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:14,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,233 INFO L138 Inliner]: procedures = 53, calls = 151, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 234 [2022-10-17 16:49:14,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:14,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:14,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:14,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:14,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,290 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:14,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:14,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:14,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:14,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:14,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:14,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:14,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:14,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:14,391 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:49:14,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:49:14,391 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:49:14,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:49:14,391 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:49:14,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:49:14,392 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:49:14,392 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:49:14,392 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:49:14,392 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:49:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:49:14,393 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:49:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:14,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:14,460 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:14,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:14,908 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:15,159 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:15,159 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:49:15,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:15 BoogieIcfgContainer [2022-10-17 16:49:15,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:15,163 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:15,163 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:15,175 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:15,175 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:15,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2022-10-17 16:49:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2022-10-17 16:49:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:49:15,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:15,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2022-10-17 16:49:15,525 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-10-17 16:49:15,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:49:15,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:15,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:15,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2022-10-17 16:49:15,752 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-10-17 16:49:15,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:49:15,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:15,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:15,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:16,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:16,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2022-10-17 16:49:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2022-10-17 16:49:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:49:16,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:16,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:16,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 85 transitions. [2022-10-17 16:49:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-10-17 16:49:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:49:16,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:16,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2022-10-17 16:49:16,339 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-10-17 16:49:16,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:49:16,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:16,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 73 states and 107 transitions. [2022-10-17 16:49:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2022-10-17 16:49:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:16,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:16,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 90 states and 141 transitions. [2022-10-17 16:49:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2022-10-17 16:49:17,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:49:17,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:49:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 92 states and 143 transitions. [2022-10-17 16:49:17,457 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 143 transitions. [2022-10-17 16:49:17,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:49:17,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:17,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 93 states and 146 transitions. [2022-10-17 16:49:17,671 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2022-10-17 16:49:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:49:17,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:17,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:18,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 100 states and 156 transitions. [2022-10-17 16:49:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 156 transitions. [2022-10-17 16:49:18,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:49:18,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:18,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:18,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:18,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 101 states and 157 transitions. [2022-10-17 16:49:18,328 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 157 transitions. [2022-10-17 16:49:18,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:49:18,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:18,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:49:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:19,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 113 states and 185 transitions. [2022-10-17 16:49:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 185 transitions. [2022-10-17 16:49:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:49:19,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:19,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:49:21,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 122 states and 205 transitions. [2022-10-17 16:49:21,477 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2022-10-17 16:49:21,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:49:21,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:21,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:21,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:49:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 216 transitions. [2022-10-17 16:49:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2022-10-17 16:49:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:49:21,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:21,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:21,837 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:49:21,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 128 states and 219 transitions. [2022-10-17 16:49:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2022-10-17 16:49:21,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:49:21,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:21,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:49:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:22,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 130 states and 222 transitions. [2022-10-17 16:49:22,078 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 222 transitions. [2022-10-17 16:49:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:49:22,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:22,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:49:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 138 states and 245 transitions. [2022-10-17 16:49:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 245 transitions. [2022-10-17 16:49:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:49:23,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:23,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:49:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 141 states and 251 transitions. [2022-10-17 16:49:24,013 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 251 transitions. [2022-10-17 16:49:24,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:49:24,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:24,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:24,064 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:49:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 144 states and 257 transitions. [2022-10-17 16:49:24,380 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2022-10-17 16:49:24,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:49:24,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:24,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:49:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 154 states and 283 transitions. [2022-10-17 16:49:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 283 transitions. [2022-10-17 16:49:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:49:26,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:26,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:26,294 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:49:26,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 165 states and 304 transitions. [2022-10-17 16:49:26,841 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 304 transitions. [2022-10-17 16:49:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:49:26,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:26,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:26,934 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:49:28,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 176 states and 328 transitions. [2022-10-17 16:49:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 328 transitions. [2022-10-17 16:49:28,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:49:28,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:49:32,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 189 states and 367 transitions. [2022-10-17 16:49:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 367 transitions. [2022-10-17 16:49:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:49:32,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:32,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:32,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:49:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:32,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:49:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:32,994 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2022-10-17 16:49:33,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:49:33 ImpRootNode [2022-10-17 16:49:33,125 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:49:33,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:49:33,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:49:33,127 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:49:33,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:15" (3/4) ... [2022-10-17 16:49:33,131 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:49:33,281 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:49:33,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:49:33,282 INFO L158 Benchmark]: Toolchain (without parser) took 19792.18ms. Allocated memory was 111.1MB in the beginning and 226.5MB in the end (delta: 115.3MB). Free memory was 85.3MB in the beginning and 179.6MB in the end (delta: -94.3MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2022-10-17 16:49:33,283 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 55.0MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:33,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.81ms. Allocated memory is still 111.1MB. Free memory was 85.3MB in the beginning and 66.6MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:49:33,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.05ms. Allocated memory is still 111.1MB. Free memory was 66.6MB in the beginning and 64.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:33,286 INFO L158 Benchmark]: Boogie Preprocessor took 60.33ms. Allocated memory is still 111.1MB. Free memory was 64.3MB in the beginning and 62.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:33,287 INFO L158 Benchmark]: RCFGBuilder took 865.82ms. Allocated memory is still 111.1MB. Free memory was 62.4MB in the beginning and 83.4MB in the end (delta: -20.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-10-17 16:49:33,287 INFO L158 Benchmark]: CodeCheck took 17962.43ms. Allocated memory was 111.1MB in the beginning and 226.5MB in the end (delta: 115.3MB). Free memory was 83.4MB in the beginning and 184.8MB in the end (delta: -101.5MB). Peak memory consumption was 134.8MB. Max. memory is 16.1GB. [2022-10-17 16:49:33,288 INFO L158 Benchmark]: Witness Printer took 155.41ms. Allocated memory is still 226.5MB. Free memory was 184.8MB in the beginning and 179.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:49:33,290 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 7 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.8s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5197 SdHoareTripleChecker+Valid, 12.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2315 mSDsluCounter, 5022 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3718 mSDsCounter, 1645 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6769 IncrementalHoareTripleChecker+Invalid, 8414 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1645 mSolverCounterUnsat, 1844 mSDtfsCounter, 6769 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7917 GetRequests, 7634 SyntacticMatches, 23 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29232 ImplicationChecksByTransitivity, 12.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 826 NumberOfCodeBlocks, 826 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 1773 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 141/149 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 - CounterExampleResult [Line: 897]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L490] int waterLevel = 1; [L491] int methaneLevelCritical = 0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L759] int cleanupTimeShifts = 4; [L835] int retValue_acc ; [L836] int tmp ; [L840] FCALL select_helpers() [L841] FCALL select_features() [L842] CALL, EXPR valid_product() [L884] int retValue_acc ; [L887] retValue_acc = 1 [L888] return (retValue_acc); [L842] RET, EXPR valid_product() [L842] tmp = valid_product() [L844] COND TRUE \read(tmp) [L846] FCALL setup() [L847] CALL runTest() [L826] CALL test() [L421] int splverifierCounter ; [L422] int tmp ; [L423] int tmp___0 ; [L424] int tmp___1 ; [L425] int tmp___2 ; [L428] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L430] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L432] COND TRUE splverifierCounter < 4 [L438] tmp = __VERIFIER_nondet_int() [L440] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L442] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L508] COND TRUE waterLevel < 2 [L509] waterLevel = waterLevel + 1 [L442] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=34, tmp___2=-1, waterLevel=2] [L473] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L603] COND TRUE \read(systemActive) [L605] CALL processEnvironment() [L625] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] COND TRUE ! pumpRunning [L630] CALL, EXPR isHighWaterLevel() [L740] int retValue_acc ; [L741] int tmp ; [L742] int tmp___0 ; [L746] CALL, EXPR isHighWaterSensorDry() [L570] int retValue_acc ; [L573] COND FALSE !(waterLevel < 2) [L577] retValue_acc = 0 [L578] return (retValue_acc); [L746] RET, EXPR isHighWaterSensorDry() [L746] tmp = isHighWaterSensorDry() [L748] COND FALSE !(\read(tmp)) [L751] tmp___0 = 1 [L753] retValue_acc = tmp___0 [L754] return (retValue_acc); [L630] RET, EXPR isHighWaterLevel() [L630] tmp = isHighWaterLevel() [L632] COND TRUE \read(tmp) [L634] CALL activatePump() [L659] int tmp ; [L663] CALL, EXPR isMethaneAlarm() [L684] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L688] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L529] int retValue_acc ; [L532] retValue_acc = methaneLevelCritical [L533] return (retValue_acc); [L688] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L688] retValue_acc = isMethaneLevelCritical() [L690] return (retValue_acc); [L663] RET, EXPR isMethaneAlarm() [L663] tmp = isMethaneAlarm() [L665] COND FALSE !(\read(tmp)) [L669] CALL activatePump__wrappee__highWaterSensor() [L653] pumpRunning = 1 [L669] RET activatePump__wrappee__highWaterSensor() [L634] RET activatePump() [L605] RET processEnvironment() [L611] CALL __utac_acc__Specification1_spec__1() [L903] int tmp ; [L904] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L908] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L529] int retValue_acc ; [L532] retValue_acc = methaneLevelCritical [L533] return (retValue_acc); [L908] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L908] tmp = isMethaneLevelCritical() [L910] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L611] RET __utac_acc__Specification1_spec__1() [L473] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=34, tmp___2=-1, waterLevel=2] [L430] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=34, tmp___2=-1, waterLevel=2] [L432] COND TRUE splverifierCounter < 4 [L438] tmp = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=34, tmp___2=-1, waterLevel=2] [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-1, tmp___1=34, tmp___2=-1, waterLevel=2] [L452] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L520] COND FALSE !(\read(methaneLevelCritical)) [L523] methaneLevelCritical = 1 [L452] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-1, tmp___1=34, tmp___2=-1, waterLevel=2] [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-1, tmp___1=34, tmp___2=1, waterLevel=2] [L473] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L596] COND TRUE \read(pumpRunning) [L598] CALL lowerWaterLevel() [L496] COND TRUE waterLevel > 0 [L497] waterLevel = waterLevel - 1 [L598] RET lowerWaterLevel() [L603] COND TRUE \read(systemActive) [L605] CALL processEnvironment() [L625] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L628] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L643] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L605] RET processEnvironment() [L611] CALL __utac_acc__Specification1_spec__1() [L903] int tmp ; [L904] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L908] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L529] int retValue_acc ; [L532] retValue_acc = methaneLevelCritical [L533] return (retValue_acc); [L908] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L908] tmp = isMethaneLevelCritical() [L910] COND TRUE \read(tmp) [L912] CALL, EXPR isPumpRunning() [L695] int retValue_acc ; [L698] retValue_acc = pumpRunning [L699] return (retValue_acc); [L912] RET, EXPR isPumpRunning() [L912] tmp___0 = isPumpRunning() [L914] COND TRUE \read(tmp___0) [L916] CALL __automaton_fail() [L897] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 55.0MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.81ms. Allocated memory is still 111.1MB. Free memory was 85.3MB in the beginning and 66.6MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.05ms. Allocated memory is still 111.1MB. Free memory was 66.6MB in the beginning and 64.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.33ms. Allocated memory is still 111.1MB. Free memory was 64.3MB in the beginning and 62.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 865.82ms. Allocated memory is still 111.1MB. Free memory was 62.4MB in the beginning and 83.4MB in the end (delta: -20.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 17962.43ms. Allocated memory was 111.1MB in the beginning and 226.5MB in the end (delta: 115.3MB). Free memory was 83.4MB in the beginning and 184.8MB in the end (delta: -101.5MB). Peak memory consumption was 134.8MB. Max. memory is 16.1GB. * Witness Printer took 155.41ms. Allocated memory is still 226.5MB. Free memory was 184.8MB in the beginning and 179.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:49:33,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3459f-f602-4ea8-b836-9ad63c9185d3/bin/ukojak-92XMlrwhuB/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE