./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product36.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_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/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_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/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_fc828d73-e55c-4279-ab72-57751e111ba0/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 a02c09de3ac56c41127e71d631df699be80ebdf5846a7586536864de14f59a0e ............................................................................................................................................................................................................................................................................................................................ 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 04:20:33,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:20:33,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:20:34,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:20:34,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:20:34,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:20:34,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:20:34,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:20:34,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:20:34,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:20:34,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:20:34,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:20:34,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:20:34,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:20:34,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:20:34,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:20:34,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:20:34,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:20:34,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:20:34,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:20:34,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:20:34,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:20:34,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:20:34,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:20:34,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:20:34,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:20:34,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:20:34,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:20:34,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:20:34,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:20:34,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:20:34,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:20:34,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:20:34,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:20:34,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:20:34,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:20:34,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:20:34,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:20:34,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:20:34,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:20:34,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:20:34,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:20:34,133 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:20:34,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:20:34,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:20:34,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:20:34,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:20:34,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:20:34,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:20:34,137 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:20:34,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:20:34,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:20:34,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:20:34,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:20:34,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:20:34,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:20:34,138 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:20:34,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:20:34,139 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:20:34,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:20:34,139 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:20:34,139 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:20:34,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:20:34,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:20:34,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:20:34,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:20:34,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:20:34,141 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:20:34,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:20:34,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:20:34,141 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_fc828d73-e55c-4279-ab72-57751e111ba0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a02c09de3ac56c41127e71d631df699be80ebdf5846a7586536864de14f59a0e [2021-10-29 04:20:34,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:20:34,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:20:34,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:20:34,443 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:20:34,444 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:20:34,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c [2021-10-29 04:20:34,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/data/9a913b993/42db6d2930f24ee99994e087d555b001/FLAG1b8d2274b [2021-10-29 04:20:35,124 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:20:35,125 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c [2021-10-29 04:20:35,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/data/9a913b993/42db6d2930f24ee99994e087d555b001/FLAG1b8d2274b [2021-10-29 04:20:35,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/data/9a913b993/42db6d2930f24ee99994e087d555b001 [2021-10-29 04:20:35,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:20:35,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:20:35,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:20:35,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:20:35,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:20:35,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:35,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e46478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35, skipping insertion in model container [2021-10-29 04:20:35,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:35,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:20:35,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:20:35,698 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_fc828d73-e55c-4279-ab72-57751e111ba0/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c[1605,1618] [2021-10-29 04:20:35,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:20:35,834 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:20:35,847 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_fc828d73-e55c-4279-ab72-57751e111ba0/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c[1605,1618] [2021-10-29 04:20:35,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:20:35,946 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:20:35,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35 WrapperNode [2021-10-29 04:20:35,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:20:35,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:20:35,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:20:35,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:20:35,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:35,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:36,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:20:36,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:20:36,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:20:36,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:20:36,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:36,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:36,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:36,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:36,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:36,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:36,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:36,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:20:36,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:20:36,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:20:36,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:20:36,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:35" (1/1) ... [2021-10-29 04:20:36,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:20:36,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:20:36,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:20:36,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:20:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:20:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-10-29 04:20:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-10-29 04:20:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 04:20:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 04:20:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-10-29 04:20:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-10-29 04:20:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 04:20:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 04:20:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 04:20:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 04:20:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:20:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 04:20:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 04:20:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:20:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:20:37,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:20:37,463 INFO L299 CfgBuilder]: Removed 42 assume(true) statements. [2021-10-29 04:20:37,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:37 BoogieIcfgContainer [2021-10-29 04:20:37,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:20:37,467 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:20:37,467 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:20:37,479 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:20:37,479 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:37" (1/1) ... [2021-10-29 04:20:37,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:20:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2021-10-29 04:20:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2021-10-29 04:20:37,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:20:37,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:37,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:37,767 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 04:20:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:37,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2021-10-29 04:20:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2021-10-29 04:20:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:20:37,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:37,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:37,922 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 04:20:37,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:37,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2021-10-29 04:20:37,954 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2021-10-29 04:20:37,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:20:37,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:37,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:38,188 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 04:20:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2021-10-29 04:20:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2021-10-29 04:20:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:20:38,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:38,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:20:38,508 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:20:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:20:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:20:38,754 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:20:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:20:38,955 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-10-29 04:20:39,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:20:39 ImpRootNode [2021-10-29 04:20:39,074 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:20:39,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:20:39,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:20:39,075 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:20:39,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:37" (3/4) ... [2021-10-29 04:20:39,079 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:20:39,194 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:20:39,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:20:39,197 INFO L168 Benchmark]: Toolchain (without parser) took 3753.24 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.0 MB in the beginning and 74.3 MB in the end (delta: -14.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:39,197 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:20:39,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.74 ms. Allocated memory is still 94.4 MB. Free memory was 59.8 MB in the beginning and 62.1 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:39,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.52 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 59.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:39,205 INFO L168 Benchmark]: Boogie Preprocessor took 39.49 ms. Allocated memory is still 94.4 MB. Free memory was 59.5 MB in the beginning and 57.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:39,206 INFO L168 Benchmark]: RCFGBuilder took 1418.87 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 57.7 MB in the beginning and 67.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:39,206 INFO L168 Benchmark]: CodeCheck took 1606.71 ms. Allocated memory is still 123.7 MB. Free memory was 67.2 MB in the beginning and 83.7 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:20:39,207 INFO L168 Benchmark]: Witness Printer took 120.49 ms. Allocated memory is still 123.7 MB. Free memory was 83.7 MB in the beginning and 74.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:39,209 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 192 SDtfs, 52 SDslu, 92 SDs, 0 SdLazy, 84 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L436] int pumpRunning = 0; [L437] int systemActive = 1; [L685] int waterLevel = 1; [L686] int methaneLevelCritical = 0; [L779] int cleanupTimeShifts = 4; [L855] int retValue_acc ; [L856] int tmp ; [L904] int retValue_acc ; [L907] retValue_acc = 1 [L908] return (retValue_acc); [L862] tmp = valid_product() [L864] COND TRUE \read(tmp) [L616] int splverifierCounter ; [L617] int tmp ; [L618] int tmp___0 ; [L619] int tmp___1 ; [L620] int tmp___2 ; [L623] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L627] COND TRUE splverifierCounter < 4 [L633] tmp = __VERIFIER_nondet_int() [L635] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L637] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L703] COND TRUE waterLevel < 2 [L704] waterLevel = waterLevel + 1 [L637] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] tmp___0 = __VERIFIER_nondet_int() [L645] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L653] tmp___2 = __VERIFIER_nondet_int() [L655] COND FALSE !(\read(tmp___2)) [L661] tmp___1 = __VERIFIER_nondet_int() [L663] COND TRUE \read(tmp___1) [L592] COND FALSE !(\read(pumpRunning)) [L599] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L672] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L444] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L451] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L914] int tmp ; [L915] int tmp___0 ; [L916] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L724] int retValue_acc ; [L727] retValue_acc = methaneLevelCritical [L728] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L920] tmp = isMethaneLevelCritical() [L922] COND FALSE !(\read(tmp)) [L756] int retValue_acc ; [L759] retValue_acc = waterLevel [L760] return (retValue_acc); [L926] tmp___0 = getWaterLevel() [L928] COND TRUE tmp___0 == 2 [L525] int retValue_acc ; [L528] retValue_acc = pumpRunning [L529] return (retValue_acc); [L930] tmp___1 = isPumpRunning() [L932] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 493.74 ms. Allocated memory is still 94.4 MB. Free memory was 59.8 MB in the beginning and 62.1 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.52 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 59.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.49 ms. Allocated memory is still 94.4 MB. Free memory was 59.5 MB in the beginning and 57.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1418.87 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 57.7 MB in the beginning and 67.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * CodeCheck took 1606.71 ms. Allocated memory is still 123.7 MB. Free memory was 67.2 MB in the beginning and 83.7 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 120.49 ms. Allocated memory is still 123.7 MB. Free memory was 83.7 MB in the beginning and 74.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:20:39,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc828d73-e55c-4279-ab72-57751e111ba0/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...