./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:15:35,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:15:35,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:15:36,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:15:36,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:15:36,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:15:36,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:15:36,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:15:36,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:15:36,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:15:36,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:15:36,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:15:36,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:15:36,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:15:36,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:15:36,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:15:36,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:15:36,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:15:36,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:15:36,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:15:36,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:15:36,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:15:36,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:15:36,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:15:36,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:15:36,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:15:36,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:15:36,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:15:36,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:15:36,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:15:36,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:15:36,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:15:36,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:15:36,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:15:36,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:15:36,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:15:36,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:15:36,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:15:36,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:15:36,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:15:36,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:15:36,091 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:15:36,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:15:36,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:15:36,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:15:36,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:15:36,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:15:36,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:15:36,143 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:15:36,144 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:15:36,144 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:15:36,144 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:15:36,146 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:15:36,146 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:15:36,147 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:15:36,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:15:36,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:15:36,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:15:36,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:15:36,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:15:36,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:15:36,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:15:36,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:15:36,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:15:36,150 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:15:36,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:15:36,151 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:15:36,151 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:15:36,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:15:36,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:15:36,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:15:36,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:15:36,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:15:36,154 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:15:36,154 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 [2022-10-17 10:15:36,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:15:36,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:15:36,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:15:36,469 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:15:36,469 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:15:36,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2022-10-17 10:15:36,554 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/data/efb5b6c67/d191a15e54c6415fac5bb5557eca31ef/FLAG0a5acf32c [2022-10-17 10:15:37,060 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:15:37,061 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2022-10-17 10:15:37,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/data/efb5b6c67/d191a15e54c6415fac5bb5557eca31ef/FLAG0a5acf32c [2022-10-17 10:15:37,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/data/efb5b6c67/d191a15e54c6415fac5bb5557eca31ef [2022-10-17 10:15:37,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:15:37,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:15:37,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:15:37,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:15:37,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:15:37,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:37,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7ba84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37, skipping insertion in model container [2022-10-17 10:15:37,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:37,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:15:37,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:15:37,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464] [2022-10-17 10:15:37,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:15:37,821 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:15:37,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464] [2022-10-17 10:15:37,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:15:37,976 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:15:37,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37 WrapperNode [2022-10-17 10:15:37,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:15:37,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:15:37,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:15:37,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:15:37,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:38,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:38,107 INFO L138 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 54, calls inlined = 81, statements flattened = 583 [2022-10-17 10:15:38,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:15:38,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:15:38,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:15:38,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:15:38,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:38,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:38,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:38,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:38,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:38,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:38,152 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:38,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:38,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:15:38,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:15:38,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:15:38,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:15:38,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (1/1) ... [2022-10-17 10:15:38,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:15:38,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:15:38,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:15:38,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:15:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:15:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:15:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:15:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:15:38,355 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:15:38,357 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:15:38,946 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:15:38,956 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:15:38,957 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:15:38,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:15:38 BoogieIcfgContainer [2022-10-17 10:15:38,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:15:38,961 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:15:38,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:15:38,970 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:15:38,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:15:38,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:15:37" (1/3) ... [2022-10-17 10:15:38,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b4f8438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:15:38, skipping insertion in model container [2022-10-17 10:15:38,973 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:15:38,973 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:37" (2/3) ... [2022-10-17 10:15:38,973 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b4f8438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:15:38, skipping insertion in model container [2022-10-17 10:15:38,973 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:15:38,974 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:15:38" (3/3) ... [2022-10-17 10:15:38,975 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2022-10-17 10:15:39,050 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:15:39,051 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:15:39,051 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:15:39,051 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:15:39,051 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:15:39,051 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:15:39,051 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:15:39,052 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:15:39,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3544303797468353) internal successors, (214), 158 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:39,094 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2022-10-17 10:15:39,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:15:39,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:15:39,102 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:15:39,103 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:15:39,103 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:15:39,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3544303797468353) internal successors, (214), 158 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:39,121 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2022-10-17 10:15:39,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:15:39,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:15:39,123 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:15:39,123 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:15:39,134 INFO L748 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 105#L726true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 82#L719true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 113#L734true main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 8#L823true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 57#L798true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 87#L844true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 120#L276-2true [2022-10-17 10:15:39,157 INFO L750 eck$LassoCheckResult]: Loop: 120#L276-2true assume !false; 150#L277true assume test_~splverifierCounter~0#1 < 4; 158#L278true test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 97#L286true assume !(0 != test_~tmp~3#1); 18#L286-2true test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 68#L296true assume !(0 != test_~tmp___0~1#1); 46#L296-2true test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 151#L306true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 123#L314true assume !(0 != test_~tmp___1~0#1); 90#L314-2true assume { :begin_inline_timeShift } true; 26#L69true assume !(0 != ~pumpRunning~0); 119#L69-2true assume !(0 != ~systemActive~0); 134#L76-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 146#L930-1true __utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1; 24#L855true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 21#L855-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 7#L86true assume { :end_inline_timeShift } true; 120#L276-2true [2022-10-17 10:15:39,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:39,163 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-10-17 10:15:39,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:39,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785448814] [2022-10-17 10:15:39,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:39,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:39,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:15:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:39,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:15:39,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:39,437 INFO L85 PathProgramCache]: Analyzing trace with hash -326517673, now seen corresponding path program 1 times [2022-10-17 10:15:39,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:39,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542718869] [2022-10-17 10:15:39,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:39,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:39,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:15:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:39,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:15:39,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:39,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1062459250, now seen corresponding path program 1 times [2022-10-17 10:15:39,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:39,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215363190] [2022-10-17 10:15:39,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:39,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:39,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:15:39,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:15:39,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215363190] [2022-10-17 10:15:39,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215363190] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:15:39,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:15:39,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:15:39,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294194160] [2022-10-17 10:15:39,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:15:40,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:15:40,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:15:40,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:15:40,085 INFO L87 Difference]: Start difference. First operand has 159 states, 158 states have (on average 1.3544303797468353) internal successors, (214), 158 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:40,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:15:40,297 INFO L93 Difference]: Finished difference Result 517 states and 672 transitions. [2022-10-17 10:15:40,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 517 states and 672 transitions. [2022-10-17 10:15:40,342 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 336 [2022-10-17 10:15:40,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 517 states to 477 states and 632 transitions. [2022-10-17 10:15:40,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 477 [2022-10-17 10:15:40,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 477 [2022-10-17 10:15:40,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 477 states and 632 transitions. [2022-10-17 10:15:40,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:15:40,372 INFO L218 hiAutomatonCegarLoop]: Abstraction has 477 states and 632 transitions. [2022-10-17 10:15:40,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states and 632 transitions. [2022-10-17 10:15:40,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 201. [2022-10-17 10:15:40,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 201 states have (on average 1.328358208955224) internal successors, (267), 200 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 267 transitions. [2022-10-17 10:15:40,438 INFO L240 hiAutomatonCegarLoop]: Abstraction has 201 states and 267 transitions. [2022-10-17 10:15:40,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:15:40,443 INFO L428 stractBuchiCegarLoop]: Abstraction has 201 states and 267 transitions. [2022-10-17 10:15:40,444 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:15:40,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 201 states and 267 transitions. [2022-10-17 10:15:40,446 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 141 [2022-10-17 10:15:40,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:15:40,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:15:40,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:15:40,449 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:15:40,449 INFO L748 eck$LassoCheckResult]: Stem: 836#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 764#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 765#L726 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 805#L719 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 806#L734 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 700#L823 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 701#L798 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 777#L844 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 699#L276-2 [2022-10-17 10:15:40,450 INFO L750 eck$LassoCheckResult]: Loop: 699#L276-2 assume !false; 828#L277 assume test_~splverifierCounter~0#1 < 4; 838#L278 test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 817#L286 assume !(0 != test_~tmp~3#1); 717#L286-2 test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 718#L296 assume !(0 != test_~tmp___0~1#1); 723#L296-2 test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 759#L306 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 803#L259 assume { :end_inline_startSystem } true; 804#L314-2 assume { :begin_inline_timeShift } true; 728#L69 assume !(0 != ~pumpRunning~0); 729#L69-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 827#L127 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret4#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0#1; 819#L101-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 820#L93-3 assume { :end_inline_processEnvironment__wrappee__base } true; 761#L101-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 735#L127-1 assume { :end_inline_processEnvironment } true; 821#L76-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 835#L930-1 __utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1; 726#L855 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 721#L855-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 698#L86 assume { :end_inline_timeShift } true; 699#L276-2 [2022-10-17 10:15:40,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:40,450 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-10-17 10:15:40,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:40,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917634682] [2022-10-17 10:15:40,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:40,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:40,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:15:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:40,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:15:40,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:40,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1015807564, now seen corresponding path program 1 times [2022-10-17 10:15:40,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:40,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278268378] [2022-10-17 10:15:40,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:40,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:40,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:15:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:40,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:15:40,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:40,527 INFO L85 PathProgramCache]: Analyzing trace with hash -573595683, now seen corresponding path program 1 times [2022-10-17 10:15:40,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:40,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900318333] [2022-10-17 10:15:40,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:40,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:40,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:15:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:40,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:15:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:44,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:15:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:15:44,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:15:44 BoogieIcfgContainer [2022-10-17 10:15:44,134 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:15:44,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:15:44,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:15:44,135 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:15:44,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:15:38" (3/4) ... [2022-10-17 10:15:44,138 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-10-17 10:15:44,210 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:15:44,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:15:44,212 INFO L158 Benchmark]: Toolchain (without parser) took 6809.58ms. Allocated memory was 86.0MB in the beginning and 144.7MB in the end (delta: 58.7MB). Free memory was 45.7MB in the beginning and 41.8MB in the end (delta: 3.9MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2022-10-17 10:15:44,212 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:15:44,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.89ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 45.5MB in the beginning and 82.0MB in the end (delta: -36.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:15:44,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.22ms. Allocated memory is still 115.3MB. Free memory was 82.0MB in the beginning and 78.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:15:44,213 INFO L158 Benchmark]: Boogie Preprocessor took 42.80ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 76.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:15:44,214 INFO L158 Benchmark]: RCFGBuilder took 799.11ms. Allocated memory is still 115.3MB. Free memory was 76.1MB in the beginning and 50.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 10:15:44,214 INFO L158 Benchmark]: BuchiAutomizer took 5173.09ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 50.9MB in the beginning and 43.9MB in the end (delta: 7.0MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2022-10-17 10:15:44,215 INFO L158 Benchmark]: Witness Printer took 75.95ms. Allocated memory is still 144.7MB. Free memory was 43.9MB in the beginning and 41.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:15:44,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 574.89ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 45.5MB in the beginning and 82.0MB in the end (delta: -36.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.22ms. Allocated memory is still 115.3MB. Free memory was 82.0MB in the beginning and 78.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.80ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 76.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 799.11ms. Allocated memory is still 115.3MB. Free memory was 76.1MB in the beginning and 50.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 5173.09ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 50.9MB in the beginning and 43.9MB in the end (delta: 7.0MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Witness Printer took 75.95ms. Allocated memory is still 144.7MB. Free memory was 43.9MB in the beginning and 41.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 201 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 276 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1129 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1129 mSDsluCounter, 1380 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1171 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 209 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 276]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L504] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L739] int cleanupTimeShifts = 4; [L838] int methAndRunningLastTime ; [L887] int waterLevel = 1; [L888] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L814] int retValue_acc ; [L815] int tmp ; [L819] FCALL select_helpers() [L820] FCALL select_features() [L821] CALL, EXPR valid_product() [L730] int retValue_acc ; [L733] retValue_acc = 1 [L734] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L821] RET, EXPR valid_product() [L821] tmp = valid_product() [L823] COND TRUE \read(tmp) [L825] FCALL setup() [L826] CALL runTest() [L807] CALL __utac_acc__Specification2_spec__1() [L843] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L807] RET __utac_acc__Specification2_spec__1() [L808] CALL test() [L267] int splverifierCounter ; [L268] int tmp ; [L269] int tmp___0 ; [L270] int tmp___1 ; [L271] int tmp___2 ; [L274] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L276] COND TRUE 1 [L278] COND TRUE splverifierCounter < 4 [L284] tmp = __VERIFIER_nondet_int() [L286] COND FALSE !(\read(tmp)) [L294] tmp___0 = __VERIFIER_nondet_int() [L296] COND FALSE !(\read(tmp___0)) [L304] tmp___2 = __VERIFIER_nondet_int() [L306] COND TRUE \read(tmp___2) [L308] CALL startSystem() [L258] systemActive = 1 [L308] RET startSystem() [L323] CALL timeShift() [L69] COND FALSE !(\read(pumpRunning)) [L76] COND TRUE \read(systemActive) [L78] CALL processEnvironment() [L124] int tmp ; [L127] COND FALSE !(\read(pumpRunning)) [L142] CALL processEnvironment__wrappee__lowWaterSensor() [L98] int tmp ; [L101] COND FALSE !(\read(pumpRunning)) [L116] FCALL processEnvironment__wrappee__base() [L142] RET processEnvironment__wrappee__lowWaterSensor() [L78] RET processEnvironment() [L84] CALL __utac_acc__Specification2_spec__2() [L848] int tmp ; [L849] int tmp___0 ; [L853] CALL, EXPR isMethaneLevelCritical() [L926] int retValue_acc ; [L929] retValue_acc = methaneLevelCritical [L930] return (retValue_acc); [L853] RET, EXPR isMethaneLevelCritical() [L853] tmp = isMethaneLevelCritical() [L855] COND FALSE !(\read(tmp)) [L871] methAndRunningLastTime = 0 [L84] RET __utac_acc__Specification2_spec__2() [L323] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 276]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L504] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L739] int cleanupTimeShifts = 4; [L838] int methAndRunningLastTime ; [L887] int waterLevel = 1; [L888] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L814] int retValue_acc ; [L815] int tmp ; [L819] FCALL select_helpers() [L820] FCALL select_features() [L821] CALL, EXPR valid_product() [L730] int retValue_acc ; [L733] retValue_acc = 1 [L734] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L821] RET, EXPR valid_product() [L821] tmp = valid_product() [L823] COND TRUE \read(tmp) [L825] FCALL setup() [L826] CALL runTest() [L807] CALL __utac_acc__Specification2_spec__1() [L843] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L807] RET __utac_acc__Specification2_spec__1() [L808] CALL test() [L267] int splverifierCounter ; [L268] int tmp ; [L269] int tmp___0 ; [L270] int tmp___1 ; [L271] int tmp___2 ; [L274] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L276] COND TRUE 1 [L278] COND TRUE splverifierCounter < 4 [L284] tmp = __VERIFIER_nondet_int() [L286] COND FALSE !(\read(tmp)) [L294] tmp___0 = __VERIFIER_nondet_int() [L296] COND FALSE !(\read(tmp___0)) [L304] tmp___2 = __VERIFIER_nondet_int() [L306] COND TRUE \read(tmp___2) [L308] CALL startSystem() [L258] systemActive = 1 [L308] RET startSystem() [L323] CALL timeShift() [L69] COND FALSE !(\read(pumpRunning)) [L76] COND TRUE \read(systemActive) [L78] CALL processEnvironment() [L124] int tmp ; [L127] COND FALSE !(\read(pumpRunning)) [L142] CALL processEnvironment__wrappee__lowWaterSensor() [L98] int tmp ; [L101] COND FALSE !(\read(pumpRunning)) [L116] FCALL processEnvironment__wrappee__base() [L142] RET processEnvironment__wrappee__lowWaterSensor() [L78] RET processEnvironment() [L84] CALL __utac_acc__Specification2_spec__2() [L848] int tmp ; [L849] int tmp___0 ; [L853] CALL, EXPR isMethaneLevelCritical() [L926] int retValue_acc ; [L929] retValue_acc = methaneLevelCritical [L930] return (retValue_acc); [L853] RET, EXPR isMethaneLevelCritical() [L853] tmp = isMethaneLevelCritical() [L855] COND FALSE !(\read(tmp)) [L871] methAndRunningLastTime = 0 [L84] RET __utac_acc__Specification2_spec__2() [L323] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 10:15:44,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e19ecef-17a9-4f45-bcd2-129c26abec53/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)