./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product56.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_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/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_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/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_7da49c61-6ac5-42a8-9d75-66822664bfa2/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 a24146f0f51336ad73890bbd928f5403b02b7d1c9a9c70cce136ffcb124619cc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:38:01,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:38:01,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:38:01,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:38:01,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:38:01,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:38:01,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:38:01,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:38:01,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:38:01,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:38:01,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:38:01,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:38:01,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:38:01,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:38:01,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:38:01,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:38:01,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:38:01,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:38:01,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:38:01,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:38:01,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:38:01,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:38:01,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:38:01,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:38:01,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:38:01,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:38:01,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:38:01,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:38:01,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:38:01,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:38:01,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:38:01,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:38:01,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:38:01,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:38:01,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:38:01,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:38:01,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:38:01,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:38:01,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:38:01,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:38:01,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:38:01,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:38:01,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:38:01,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:38:01,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:38:01,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:38:01,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:38:01,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:38:01,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:38:01,384 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:38:01,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:38:01,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:38:01,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:38:01,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:38:01,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:38:01,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:38:01,387 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:38:01,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:38:01,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:38:01,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:38:01,390 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:38:01,390 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:38:01,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:38:01,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:38:01,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:38:01,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:38:01,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:38:01,392 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:38:01,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:38:01,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:38:01,394 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_7da49c61-6ac5-42a8-9d75-66822664bfa2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a24146f0f51336ad73890bbd928f5403b02b7d1c9a9c70cce136ffcb124619cc [2021-11-23 00:38:01,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:38:01,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:38:01,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:38:01,721 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:38:01,722 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:38:01,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2021-11-23 00:38:01,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/data/6686c622b/23f83150e12d49a88c9b0f121c42e172/FLAG691dceb5f [2021-11-23 00:38:02,419 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:38:02,419 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2021-11-23 00:38:02,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/data/6686c622b/23f83150e12d49a88c9b0f121c42e172/FLAG691dceb5f [2021-11-23 00:38:02,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/data/6686c622b/23f83150e12d49a88c9b0f121c42e172 [2021-11-23 00:38:02,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:38:02,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:38:02,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:38:02,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:38:02,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:38:02,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:02" (1/1) ... [2021-11-23 00:38:02,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afff440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:02, skipping insertion in model container [2021-11-23 00:38:02,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:02" (1/1) ... [2021-11-23 00:38:02,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:38:02,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:38:03,158 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_7da49c61-6ac5-42a8-9d75-66822664bfa2/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c[16679,16692] [2021-11-23 00:38:03,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:38:03,220 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:38:03,350 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_7da49c61-6ac5-42a8-9d75-66822664bfa2/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c[16679,16692] [2021-11-23 00:38:03,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:38:03,416 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:38:03,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03 WrapperNode [2021-11-23 00:38:03,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:38:03,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:38:03,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:38:03,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:38:03,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 00:38:03,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 00:38:03,515 INFO L137 Inliner]: procedures = 58, calls = 161, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 277 [2021-11-23 00:38:03,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:38:03,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:38:03,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:38:03,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:38:03,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 00:38:03,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 00:38:03,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 00:38:03,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 00:38:03,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 00:38:03,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 00:38:03,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 00:38:03,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:38:03,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:38:03,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:38:03,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:38:03,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 00:38:03,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:38:03,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:38:03,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:38:03,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:38:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:38:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:38:03,681 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:38:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:38:03,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:38:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:38:03,682 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:38:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:38:03,682 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:38:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 00:38:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 00:38:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:38:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:38:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:38:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:38:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 00:38:03,684 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 00:38:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:38:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:38:03,684 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:38:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:38:03,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:38:03,786 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:38:03,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:38:04,211 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:38:04,292 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:38:04,303 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:38:04,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:04 BoogieIcfgContainer [2021-11-23 00:38:04,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:38:04,311 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:38:04,312 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:38:04,323 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:38:04,323 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:04" (1/1) ... [2021-11-23 00:38:04,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:38:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:04,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2021-11-23 00:38:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2021-11-23 00:38:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:38:04,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:04,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:04,729 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 00:38:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:04,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 73 states and 97 transitions. [2021-11-23 00:38:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2021-11-23 00:38:04,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:38:04,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:04,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:05,010 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 00:38:05,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2021-11-23 00:38:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2021-11-23 00:38:05,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:38:05,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:05,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:05,134 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 00:38:05,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2021-11-23 00:38:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2021-11-23 00:38:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:38:05,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:05,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:05,267 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 00:38:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:05,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2021-11-23 00:38:05,408 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2021-11-23 00:38:05,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:38:05,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:05,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:05,487 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 00:38:05,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2021-11-23 00:38:05,502 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2021-11-23 00:38:05,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:38:05,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:05,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:05,590 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 00:38:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 88 states and 124 transitions. [2021-11-23 00:38:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2021-11-23 00:38:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:05,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:05,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:05,774 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 00:38:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 105 states and 159 transitions. [2021-11-23 00:38:06,236 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 159 transitions. [2021-11-23 00:38:06,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:38:06,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:06,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:06,326 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 00:38:06,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:06,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 106 states and 160 transitions. [2021-11-23 00:38:06,348 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 160 transitions. [2021-11-23 00:38:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:38:06,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:06,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:06,471 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 00:38:07,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 125 states and 198 transitions. [2021-11-23 00:38:07,391 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 198 transitions. [2021-11-23 00:38:07,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:38:07,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:07,416 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 00:38:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 129 states and 204 transitions. [2021-11-23 00:38:07,539 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 204 transitions. [2021-11-23 00:38:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:38:07,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:07,571 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 00:38:07,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 205 transitions. [2021-11-23 00:38:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 205 transitions. [2021-11-23 00:38:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:38:07,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:38:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 133 states and 212 transitions. [2021-11-23 00:38:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2021-11-23 00:38:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:38:07,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:38:07,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 137 states and 223 transitions. [2021-11-23 00:38:07,883 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2021-11-23 00:38:07,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:38:07,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:07,986 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 00:38:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:08,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 139 states and 227 transitions. [2021-11-23 00:38:08,085 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 227 transitions. [2021-11-23 00:38:08,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:38:08,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:08,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:08,122 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 00:38:08,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 145 states and 240 transitions. [2021-11-23 00:38:08,179 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 240 transitions. [2021-11-23 00:38:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:38:08,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:08,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:08,517 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 00:38:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:10,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 162 states and 283 transitions. [2021-11-23 00:38:10,513 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 283 transitions. [2021-11-23 00:38:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:38:10,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:10,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:10,565 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 00:38:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 163 states and 284 transitions. [2021-11-23 00:38:11,133 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 284 transitions. [2021-11-23 00:38:11,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:38:11,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:11,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:11,150 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:38:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:11,263 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:38:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:11,314 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2021-11-23 00:38:11,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:38:11 ImpRootNode [2021-11-23 00:38:11,367 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:38:11,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:38:11,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:38:11,368 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:38:11,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:04" (3/4) ... [2021-11-23 00:38:11,370 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:38:11,510 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:38:11,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:38:11,511 INFO L158 Benchmark]: Toolchain (without parser) took 8773.79ms. Allocated memory was 88.1MB in the beginning and 136.3MB in the end (delta: 48.2MB). Free memory was 50.7MB in the beginning and 94.6MB in the end (delta: -43.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:38:11,512 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:38:11,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.35ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 50.5MB in the beginning and 80.6MB in the end (delta: -30.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:38:11,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.27ms. Allocated memory is still 113.2MB. Free memory was 80.6MB in the beginning and 78.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:38:11,514 INFO L158 Benchmark]: Boogie Preprocessor took 54.05ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 76.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:38:11,515 INFO L158 Benchmark]: RCFGBuilder took 738.68ms. Allocated memory is still 113.2MB. Free memory was 76.4MB in the beginning and 54.9MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 00:38:11,516 INFO L158 Benchmark]: CodeCheck took 7056.07ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 54.9MB in the beginning and 99.8MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:38:11,517 INFO L158 Benchmark]: Witness Printer took 142.82ms. Allocated memory is still 136.3MB. Free memory was 99.8MB in the beginning and 94.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:38:11,521 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 10 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 18, 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, 3050 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1222 mSDsluCounter, 3446 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2189 mSDsCounter, 633 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2458 IncrementalHoareTripleChecker+Invalid, 3091 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 633 mSolverCounterUnsat, 1355 mSDtfsCounter, 2458 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4005 GetRequests, 3841 SyntacticMatches, 54 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8093 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 435 ConstructedInterpolants, 0 QuantifiedInterpolants, 1025 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 4/4 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: 816]: 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; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L821] int cleanupTimeShifts = 4; [L918] int waterLevel = 1; [L919] int methaneLevelCritical = 0; [L894] int retValue_acc ; [L895] int tmp ; [L899] FCALL select_helpers() [L900] FCALL select_features() [L901] CALL, EXPR valid_product() [L776] int retValue_acc ; [L779] retValue_acc = 1 [L780] return (retValue_acc); [L901] RET, EXPR valid_product() [L901] tmp = valid_product() [L903] COND TRUE \read(tmp) [L905] FCALL setup() [L906] CALL runTest() [L888] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L432] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L444] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L936] COND TRUE waterLevel < 2 [L937] waterLevel = waterLevel + 1 [L444] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=-1, waterLevel=2] [L454] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L948] COND FALSE !(\read(methaneLevelCritical)) [L951] methaneLevelCritical = 1 [L454] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=-1, waterLevel=2] [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND TRUE \read(tmp___2) [L464] CALL startSystem() [L742] systemActive = 1 [L464] RET startSystem() [L479] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L508] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L515] COND TRUE \read(systemActive) [L517] CALL processEnvironment() [L589] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L592] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L607] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L563] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L566] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L581] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L537] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L540] COND TRUE ! pumpRunning [L542] CALL, EXPR isHighWaterLevel() [L686] int retValue_acc ; [L687] int tmp ; [L688] int tmp___0 ; [L692] CALL, EXPR isHighWaterSensorDry() [L998] int retValue_acc ; [L1001] COND FALSE !(waterLevel < 2) [L1005] retValue_acc = 0 [L1006] return (retValue_acc); [L692] RET, EXPR isHighWaterSensorDry() [L692] tmp = isHighWaterSensorDry() [L694] COND FALSE !(\read(tmp)) [L697] tmp___0 = 1 [L699] retValue_acc = tmp___0 [L700] return (retValue_acc); [L542] RET, EXPR isHighWaterLevel() [L542] tmp = isHighWaterLevel() [L544] COND TRUE \read(tmp) [L546] CALL activatePump() [L617] pumpRunning = 1 [L546] RET activatePump() [L581] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L607] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L517] RET processEnvironment() [L523] CALL __utac_acc__Specification1_spec__1() [L787] int tmp ; [L788] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L792] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L957] int retValue_acc ; [L960] retValue_acc = methaneLevelCritical [L961] return (retValue_acc); [L792] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L792] tmp = isMethaneLevelCritical() [L794] COND TRUE \read(tmp) [L796] CALL, EXPR isPumpRunning() [L641] int retValue_acc ; [L644] retValue_acc = pumpRunning [L645] return (retValue_acc); [L796] RET, EXPR isPumpRunning() [L796] tmp___0 = isPumpRunning() [L798] COND TRUE \read(tmp___0) [L800] CALL __automaton_fail() [L816] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.35ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 50.5MB in the beginning and 80.6MB in the end (delta: -30.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.27ms. Allocated memory is still 113.2MB. Free memory was 80.6MB in the beginning and 78.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.05ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 76.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 738.68ms. Allocated memory is still 113.2MB. Free memory was 76.4MB in the beginning and 54.9MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 7056.07ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 54.9MB in the beginning and 99.8MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 142.82ms. Allocated memory is still 136.3MB. Free memory was 99.8MB in the beginning and 94.6MB 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! [2021-11-23 00:38:11,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da49c61-6ac5-42a8-9d75-66822664bfa2/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE