./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI --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 8521353bcf4bae83665566564f0550ca2d5ed2f2d2c87d1236006cfbb2433fe4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:08:53,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:08:53,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:08:53,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:08:53,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:08:53,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:08:53,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:08:53,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:08:53,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:08:53,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:08:53,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:08:53,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:08:53,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:08:53,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:08:53,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:08:53,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:08:53,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:08:53,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:08:53,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:08:53,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:08:53,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:08:53,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:08:53,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:08:53,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:08:53,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:08:53,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:08:53,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:08:53,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:08:53,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:08:53,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:08:53,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:08:53,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:08:53,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:08:53,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:08:53,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:08:53,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:08:53,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:08:53,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:08:53,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:08:53,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:08:53,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:08:53,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:08:53,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:08:53,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:08:53,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:08:53,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:08:53,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:08:53,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:08:53,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:08:53,585 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:08:53,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:08:53,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:08:53,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:08:53,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:08:53,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:08:53,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:08:53,587 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:08:53,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:08:53,587 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:08:53,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:08:53,588 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:08:53,588 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:08:53,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:08:53,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:08:53,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:08:53,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:08:53,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:08:53,589 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:08:53,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:08:53,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:08:53,590 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_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8521353bcf4bae83665566564f0550ca2d5ed2f2d2c87d1236006cfbb2433fe4 [2021-10-29 04:08:53,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:08:53,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:08:53,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:08:53,939 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:08:53,941 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:08:53,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2021-10-29 04:08:54,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/data/96b533d94/a1139da1879a49f68588f7c02e4fdb27/FLAG6ea7a70b2 [2021-10-29 04:08:54,781 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:08:54,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2021-10-29 04:08:54,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/data/96b533d94/a1139da1879a49f68588f7c02e4fdb27/FLAG6ea7a70b2 [2021-10-29 04:08:55,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/data/96b533d94/a1139da1879a49f68588f7c02e4fdb27 [2021-10-29 04:08:55,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:08:55,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:08:55,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:08:55,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:08:55,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:08:55,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d0f9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55, skipping insertion in model container [2021-10-29 04:08:55,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:08:55,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:08:55,460 WARN L228 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_b99c8cea-1f64-496d-9f15-60948174dc8f/sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c[6162,6175] [2021-10-29 04:08:55,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:08:55,557 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:08:55,598 WARN L228 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_b99c8cea-1f64-496d-9f15-60948174dc8f/sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c[6162,6175] [2021-10-29 04:08:55,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:08:55,672 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:08:55,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55 WrapperNode [2021-10-29 04:08:55,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:08:55,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:08:55,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:08:55,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:08:55,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:08:55,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:08:55,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:08:55,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:08:55,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:08:55,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:08:55,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:08:55,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:08:55,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:55" (1/1) ... [2021-10-29 04:08:55,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:08:55,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:08:55,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:08:55,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:08:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:08:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-10-29 04:08:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-10-29 04:08:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 04:08:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 04:08:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 04:08:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 04:08:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-10-29 04:08:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-10-29 04:08:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-10-29 04:08:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-10-29 04:08:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 04:08:55,931 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 04:08:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-10-29 04:08:55,931 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-10-29 04:08:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:08:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 04:08:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 04:08:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:08:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:08:57,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:08:57,931 INFO L299 CfgBuilder]: Removed 42 assume(true) statements. [2021-10-29 04:08:57,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:08:57 BoogieIcfgContainer [2021-10-29 04:08:57,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:08:57,936 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:08:57,936 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:08:57,949 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:08:57,949 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:08:57" (1/1) ... [2021-10-29 04:08:57,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:08:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:58,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2021-10-29 04:08:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2021-10-29 04:08:58,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:08:58,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:58,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:08:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2021-10-29 04:08:58,483 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2021-10-29 04:08:58,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:08:58,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:58,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:08:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2021-10-29 04:08:58,645 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2021-10-29 04:08:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:08:58,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:58,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:08:58,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:58,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2021-10-29 04:08:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2021-10-29 04:08:58,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:08:58,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:58,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:08:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:59,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2021-10-29 04:08:59,193 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2021-10-29 04:08:59,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:08:59,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:59,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:08:59,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2021-10-29 04:08:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-29 04:08:59,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 04:08:59,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:59,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:59,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:08:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2021-10-29 04:08:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2021-10-29 04:08:59,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:08:59,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:59,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:59,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:08:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 87 states and 132 transitions. [2021-10-29 04:08:59,885 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2021-10-29 04:08:59,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:08:59,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:59,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:00,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 173 transitions. [2021-10-29 04:09:00,701 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2021-10-29 04:09:00,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:09:00,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:00,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2021-10-29 04:09:00,867 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2021-10-29 04:09:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:09:00,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:00,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:01,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2021-10-29 04:09:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2021-10-29 04:09:01,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:09:01,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:01,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions. [2021-10-29 04:09:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2021-10-29 04:09:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 04:09:01,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:01,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:01,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 183 transitions. [2021-10-29 04:09:01,368 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2021-10-29 04:09:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:09:01,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:01,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 115 states and 193 transitions. [2021-10-29 04:09:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2021-10-29 04:09:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:09:01,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:01,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:01,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 194 transitions. [2021-10-29 04:09:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2021-10-29 04:09:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:09:01,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:01,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 127 states and 214 transitions. [2021-10-29 04:09:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 214 transitions. [2021-10-29 04:09:02,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:09:02,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:02,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:02,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 128 states and 215 transitions. [2021-10-29 04:09:02,544 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 215 transitions. [2021-10-29 04:09:02,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 04:09:02,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:02,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2021-10-29 04:09:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2021-10-29 04:09:02,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 04:09:02,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:02,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:02,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:03,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:03,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 133 states and 229 transitions. [2021-10-29 04:09:03,015 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 229 transitions. [2021-10-29 04:09:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 04:09:03,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:03,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:04,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 148 states and 269 transitions. [2021-10-29 04:09:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 269 transitions. [2021-10-29 04:09:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:09:04,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:04,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 148 states and 267 transitions. [2021-10-29 04:09:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 267 transitions. [2021-10-29 04:09:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 04:09:05,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:05,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:05,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:05,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 149 states and 268 transitions. [2021-10-29 04:09:05,492 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 268 transitions. [2021-10-29 04:09:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:09:05,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:05,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:09:05,562 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:09:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:09:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:09:05,893 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:09:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:09:06,143 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2021-10-29 04:09:06,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:09:06 ImpRootNode [2021-10-29 04:09:06,427 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:09:06,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:09:06,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:09:06,428 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:09:06,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:08:57" (3/4) ... [2021-10-29 04:09:06,431 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:09:06,546 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:09:06,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:09:06,548 INFO L168 Benchmark]: Toolchain (without parser) took 11466.00 ms. Allocated memory was 88.1 MB in the beginning and 144.7 MB in the end (delta: 56.6 MB). Free memory was 46.5 MB in the beginning and 86.9 MB in the end (delta: -40.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:06,549 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 63.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:09:06,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.69 ms. Allocated memory is still 88.1 MB. Free memory was 46.3 MB in the beginning and 55.0 MB in the end (delta: -8.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:06,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.55 ms. Allocated memory is still 88.1 MB. Free memory was 55.0 MB in the beginning and 52.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:06,550 INFO L168 Benchmark]: Boogie Preprocessor took 41.75 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 50.4 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:09:06,551 INFO L168 Benchmark]: RCFGBuilder took 2140.55 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 50.4 MB in the beginning and 60.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:06,552 INFO L168 Benchmark]: CodeCheck took 8491.57 ms. Allocated memory was 117.4 MB in the beginning and 144.7 MB in the end (delta: 27.3 MB). Free memory was 60.2 MB in the beginning and 100.6 MB in the end (delta: -40.4 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:06,552 INFO L168 Benchmark]: Witness Printer took 119.06 ms. Allocated memory is still 144.7 MB. Free memory was 100.6 MB in the beginning and 86.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:06,555 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 9 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 45965352 SDtfs, 10973272 SDslu, 19422356 SDs, 0 SdLazy, 15796188 SolverSat, 5191508 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4910 GetRequests, 4775 SyntacticMatches, 13 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5865 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 581 NumberOfCodeBlocks, 581 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 527 ConstructedInterpolants, 0 QuantifiedInterpolants, 1218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 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: 393]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L168] int pumpRunning = 0; [L169] int systemActive = 1; [L468] int cleanupTimeShifts = 4; [L762] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L544] int retValue_acc ; [L545] int tmp ; [L985] int retValue_acc ; [L988] retValue_acc = 1 [L989] return (retValue_acc); [L551] tmp = valid_product() [L553] COND TRUE \read(tmp) [L400] int splverifierCounter ; [L401] int tmp ; [L402] int tmp___0 ; [L403] int tmp___1 ; [L404] int tmp___2 ; [L407] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L409] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L411] COND TRUE splverifierCounter < 4 [L417] tmp = __VERIFIER_nondet_int() [L419] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L76] COND TRUE waterLevel < 2 [L77] waterLevel = waterLevel + 1 [L421] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L427] tmp___0 = __VERIFIER_nondet_int() [L429] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L431] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L88] COND FALSE !(\read(methaneLevelCritical)) [L91] methaneLevelCritical = 1 [L431] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L437] tmp___2 = __VERIFIER_nondet_int() [L439] COND TRUE \read(tmp___2) [L384] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L456] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L176] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L183] COND TRUE \read(systemActive) [L231] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L249] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L205] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L208] COND TRUE ! pumpRunning [L328] int retValue_acc ; [L329] int tmp ; [L330] int tmp___0 ; [L138] int retValue_acc ; [L141] COND FALSE !(waterLevel < 2) [L145] retValue_acc = 0 [L146] return (retValue_acc); [L334] tmp = isHighWaterSensorDry() [L336] COND FALSE !(\read(tmp)) [L339] tmp___0 = 1 [L341] retValue_acc = tmp___0 [L342] return (retValue_acc); [L210] tmp = isHighWaterLevel() [L212] COND TRUE \read(tmp) [L259] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L249] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L568] int tmp ; [L569] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L573] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L573] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L573] tmp = isMethaneLevelCritical() [L575] COND TRUE \read(tmp) [L283] int retValue_acc ; [L286] retValue_acc = pumpRunning [L287] return (retValue_acc); [L577] tmp___0 = isPumpRunning() [L579] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L393] 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 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 63.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 575.69 ms. Allocated memory is still 88.1 MB. Free memory was 46.3 MB in the beginning and 55.0 MB in the end (delta: -8.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.55 ms. Allocated memory is still 88.1 MB. Free memory was 55.0 MB in the beginning and 52.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.75 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 50.4 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2140.55 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 50.4 MB in the beginning and 60.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * CodeCheck took 8491.57 ms. Allocated memory was 117.4 MB in the beginning and 144.7 MB in the end (delta: 27.3 MB). Free memory was 60.2 MB in the beginning and 100.6 MB in the end (delta: -40.4 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. * Witness Printer took 119.06 ms. Allocated memory is still 144.7 MB. Free memory was 100.6 MB in the beginning and 86.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:09:06,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99c8cea-1f64-496d-9f15-60948174dc8f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...