./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8 --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 a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 --- 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-e04fb08 [2022-11-16 11:48:12,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:48:12,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:48:12,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:48:13,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:48:13,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:48:13,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:48:13,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:48:13,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:48:13,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:48:13,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:48:13,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:48:13,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:48:13,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:48:13,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:48:13,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:48:13,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:48:13,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:48:13,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:48:13,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:48:13,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:48:13,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:48:13,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:48:13,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:48:13,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:48:13,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:48:13,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:48:13,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:48:13,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:48:13,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:48:13,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:48:13,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:48:13,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:48:13,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:48:13,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:48:13,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:48:13,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:48:13,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:48:13,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:48:13,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:48:13,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:48:13,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:48:13,148 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:48:13,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:48:13,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:48:13,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:48:13,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:48:13,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:48:13,152 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:48:13,153 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:48:13,153 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:48:13,153 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:48:13,154 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:48:13,155 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:48:13,155 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:48:13,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:48:13,156 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:48:13,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:48:13,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:48:13,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:48:13,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:48:13,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:48:13,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:48:13,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:48:13,158 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:48:13,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:48:13,160 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:48:13,160 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:48:13,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:48:13,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:48:13,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:48:13,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:48:13,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:48:13,163 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:48:13,164 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_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 [2022-11-16 11:48:13,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:48:13,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:48:13,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:48:13,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:48:13,599 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:48:13,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2022-11-16 11:48:13,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/data/cb97d3f28/368395c3add14236aff0c6c7c31b55a6/FLAGfa0192d01 [2022-11-16 11:48:14,442 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:48:14,443 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2022-11-16 11:48:14,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/data/cb97d3f28/368395c3add14236aff0c6c7c31b55a6/FLAGfa0192d01 [2022-11-16 11:48:14,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/data/cb97d3f28/368395c3add14236aff0c6c7c31b55a6 [2022-11-16 11:48:14,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:48:14,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:48:14,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:48:14,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:48:14,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:48:14,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:48:14" (1/1) ... [2022-11-16 11:48:14,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e293fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:14, skipping insertion in model container [2022-11-16 11:48:14,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:48:14" (1/1) ... [2022-11-16 11:48:14,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:48:14,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:48:15,107 WARN L229 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_77a88245-151c-425d-9d47-0f904a57c1b0/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2022-11-16 11:48:15,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:48:15,262 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:48:15,279 WARN L229 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_77a88245-151c-425d-9d47-0f904a57c1b0/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2022-11-16 11:48:15,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:48:15,401 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:48:15,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15 WrapperNode [2022-11-16 11:48:15,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:48:15,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:48:15,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:48:15,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:48:15,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (1/1) ... [2022-11-16 11:48:15,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (1/1) ... [2022-11-16 11:48:15,465 INFO L138 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 375 [2022-11-16 11:48:15,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:48:15,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:48:15,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:48:15,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:48:15,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (1/1) ... [2022-11-16 11:48:15,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (1/1) ... [2022-11-16 11:48:15,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (1/1) ... [2022-11-16 11:48:15,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (1/1) ... [2022-11-16 11:48:15,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (1/1) ... [2022-11-16 11:48:15,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (1/1) ... [2022-11-16 11:48:15,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (1/1) ... [2022-11-16 11:48:15,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (1/1) ... [2022-11-16 11:48:15,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:48:15,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:48:15,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:48:15,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:48:15,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (1/1) ... [2022-11-16 11:48:15,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:48:15,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:48:15,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:48:15,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:48:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:48:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:48:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:48:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:48:15,753 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:48:15,755 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:48:16,162 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:48:16,183 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:48:16,184 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:48:16,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:48:16 BoogieIcfgContainer [2022-11-16 11:48:16,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:48:16,188 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:48:16,188 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:48:16,215 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:48:16,216 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:48:16,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:48:14" (1/3) ... [2022-11-16 11:48:16,217 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72d3efed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:48:16, skipping insertion in model container [2022-11-16 11:48:16,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:48:16,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:48:15" (2/3) ... [2022-11-16 11:48:16,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72d3efed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:48:16, skipping insertion in model container [2022-11-16 11:48:16,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:48:16,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:48:16" (3/3) ... [2022-11-16 11:48:16,220 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product13.cil.c [2022-11-16 11:48:16,318 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:48:16,319 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:48:16,319 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:48:16,319 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:48:16,319 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:48:16,319 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:48:16,320 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:48:16,320 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:48:16,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 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) [2022-11-16 11:48:16,367 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-11-16 11:48:16,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:48:16,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:48:16,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:16,377 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:16,377 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:48:16,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 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) [2022-11-16 11:48:16,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-11-16 11:48:16,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:48:16,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:48:16,393 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:16,393 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:16,415 INFO L748 eck$LassoCheckResult]: Stem: 88#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);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 34#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 7#L677true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 41#L670true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 67#L685true main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 61#L893true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 42#L869true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 17#L777true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 100#L64-2true [2022-11-16 11:48:16,416 INFO L750 eck$LassoCheckResult]: Loop: 100#L64-2true assume !false; 101#L65true assume test_~splverifierCounter~0#1 < 4; 29#L66true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 54#L74true assume !(0 != test_~tmp~0#1); 81#L74-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 86#L84true assume !(0 != test_~tmp___0~0#1); 19#L84-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 87#L94true assume 0 != test_~tmp___2~0#1; 78#L100-2true assume { :begin_inline_timeShift } true; 77#L143true assume !(0 != ~pumpRunning~0); 10#L143-2true assume !(0 != ~systemActive~0); 8#L150-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 28#L734-1true __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 98#L788true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 74#L788-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 70#L160true assume { :end_inline_timeShift } true; 100#L64-2true [2022-11-16 11:48:16,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:16,423 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-16 11:48:16,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:16,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674742326] [2022-11-16 11:48:16,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:16,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:16,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:48:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:16,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:48:16,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:16,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1631236618, now seen corresponding path program 1 times [2022-11-16 11:48:16,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:16,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541645579] [2022-11-16 11:48:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:16,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:16,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:48:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:16,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:48:16,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:16,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1468949235, now seen corresponding path program 1 times [2022-11-16 11:48:16,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:16,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061811380] [2022-11-16 11:48:16,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:16,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:17,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:17,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061811380] [2022-11-16 11:48:17,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061811380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:17,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:17,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:48:17,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947552441] [2022-11-16 11:48:17,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:17,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:17,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:48:17,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:48:17,541 INFO L87 Difference]: Start difference. First operand has 100 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-11-16 11:48:17,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:17,665 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2022-11-16 11:48:17,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 122 transitions. [2022-11-16 11:48:17,672 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2022-11-16 11:48:17,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 87 states and 112 transitions. [2022-11-16 11:48:17,688 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 87 [2022-11-16 11:48:17,690 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 87 [2022-11-16 11:48:17,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 112 transitions. [2022-11-16 11:48:17,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:48:17,694 INFO L218 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-11-16 11:48:17,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 112 transitions. [2022-11-16 11:48:17,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-11-16 11:48:17,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 86 states have internal predecessors, (112), 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) [2022-11-16 11:48:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2022-11-16 11:48:17,733 INFO L240 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-11-16 11:48:17,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:48:17,740 INFO L428 stractBuchiCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-11-16 11:48:17,740 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:48:17,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 112 transitions. [2022-11-16 11:48:17,743 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2022-11-16 11:48:17,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:48:17,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:48:17,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:17,744 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] [2022-11-16 11:48:17,744 INFO L748 eck$LassoCheckResult]: Stem: 297#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);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 245#L677 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 246#L670 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 263#L685 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 252#L893 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 253#L869 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 274#L777 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 271#L64-2 [2022-11-16 11:48:17,745 INFO L750 eck$LassoCheckResult]: Loop: 271#L64-2 assume !false; 301#L65 assume test_~splverifierCounter~0#1 < 4; 287#L66 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 227#L74 assume !(0 != test_~tmp~0#1); 229#L74-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 292#L84 assume !(0 != test_~tmp___0~0#1); 240#L84-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 275#L94 assume 0 != test_~tmp___2~0#1; 285#L100-2 assume { :begin_inline_timeShift } true; 283#L143 assume !(0 != ~pumpRunning~0); 221#L143-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 224#L175 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 226#L167-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 249#L175-1 assume { :end_inline_processEnvironment } true; 243#L150-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 244#L734-1 __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 286#L788 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 257#L788-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 270#L160 assume { :end_inline_timeShift } true; 271#L64-2 [2022-11-16 11:48:17,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:17,746 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-16 11:48:17,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:17,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724609521] [2022-11-16 11:48:17,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:17,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:17,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:48:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:17,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:48:17,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:17,776 INFO L85 PathProgramCache]: Analyzing trace with hash -395509013, now seen corresponding path program 1 times [2022-11-16 11:48:17,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:17,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153203023] [2022-11-16 11:48:17,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:17,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:17,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:48:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:17,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:48:17,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:17,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1034239330, now seen corresponding path program 1 times [2022-11-16 11:48:17,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:17,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770310354] [2022-11-16 11:48:17,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:17,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:17,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:48:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:17,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:48:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:22,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:48:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:48:22,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:48:22 BoogieIcfgContainer [2022-11-16 11:48:22,641 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:48:22,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:48:22,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:48:22,654 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:48:22,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:48:16" (3/4) ... [2022-11-16 11:48:22,658 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 11:48:22,795 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:48:22,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:48:22,796 INFO L158 Benchmark]: Toolchain (without parser) took 8096.83ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 99.6MB in the beginning and 121.4MB in the end (delta: -21.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-11-16 11:48:22,797 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:48:22,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.08ms. Allocated memory is still 136.3MB. Free memory was 99.5MB in the beginning and 104.7MB in the end (delta: -5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:48:22,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.87ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 102.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:48:22,799 INFO L158 Benchmark]: Boogie Preprocessor took 54.76ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 100.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:48:22,800 INFO L158 Benchmark]: RCFGBuilder took 664.90ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 80.5MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 11:48:22,801 INFO L158 Benchmark]: BuchiAutomizer took 6453.20ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 80.5MB in the beginning and 123.5MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:48:22,802 INFO L158 Benchmark]: Witness Printer took 153.88ms. Allocated memory is still 174.1MB. Free memory was 123.5MB in the beginning and 121.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:48:22,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.08ms. Allocated memory is still 136.3MB. Free memory was 99.5MB in the beginning and 104.7MB in the end (delta: -5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.87ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 102.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.76ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 100.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.90ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 80.5MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 6453.20ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 80.5MB in the beginning and 123.5MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 153.88ms. Allocated memory is still 174.1MB. Free memory was 123.5MB in the beginning and 121.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. 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 87 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 462 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 462 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 117 mSDtfsCounter, 8 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: 64]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L455] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L771] int methAndRunningLastTime ; [L692] int methaneLevelCritical = 0; [L135] int pumpRunning = 0; [L691] int waterLevel = 1; [L136] int systemActive = 1; [L810] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L884] int retValue_acc ; [L885] int tmp ; [L889] FCALL select_helpers() [L890] FCALL select_features() [L891] CALL, EXPR valid_product() [L681] int retValue_acc ; [L684] retValue_acc = 1 [L685] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L891] RET, EXPR valid_product() [L891] tmp = valid_product() [L893] COND TRUE \read(tmp) [L895] FCALL setup() [L896] CALL runTest() [L877] CALL __utac_acc__Specification2_spec__1() [L776] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L877] RET __utac_acc__Specification2_spec__1() [L878] CALL test() [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L64] COND TRUE 1 [L66] COND TRUE splverifierCounter < 4 [L72] tmp = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp)) [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp___0)) [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___2) [L107] CALL timeShift() [L143] COND FALSE !(\read(pumpRunning)) [L150] COND TRUE \read(systemActive) [L152] CALL processEnvironment() [L172] int tmp ; [L175] COND FALSE !(\read(pumpRunning)) [L190] FCALL processEnvironment__wrappee__methaneQuery() [L152] RET processEnvironment() [L158] CALL __utac_acc__Specification2_spec__2() [L781] int tmp ; [L782] int tmp___0 ; [L786] CALL, EXPR isMethaneLevelCritical() [L730] int retValue_acc ; [L733] retValue_acc = methaneLevelCritical [L734] return (retValue_acc); [L786] RET, EXPR isMethaneLevelCritical() [L786] tmp = isMethaneLevelCritical() [L788] COND FALSE !(\read(tmp)) [L804] methAndRunningLastTime = 0 [L158] RET __utac_acc__Specification2_spec__2() [L107] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 64]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L455] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L771] int methAndRunningLastTime ; [L692] int methaneLevelCritical = 0; [L135] int pumpRunning = 0; [L691] int waterLevel = 1; [L136] int systemActive = 1; [L810] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L884] int retValue_acc ; [L885] int tmp ; [L889] FCALL select_helpers() [L890] FCALL select_features() [L891] CALL, EXPR valid_product() [L681] int retValue_acc ; [L684] retValue_acc = 1 [L685] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L891] RET, EXPR valid_product() [L891] tmp = valid_product() [L893] COND TRUE \read(tmp) [L895] FCALL setup() [L896] CALL runTest() [L877] CALL __utac_acc__Specification2_spec__1() [L776] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L877] RET __utac_acc__Specification2_spec__1() [L878] CALL test() [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L64] COND TRUE 1 [L66] COND TRUE splverifierCounter < 4 [L72] tmp = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp)) [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp___0)) [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___2) [L107] CALL timeShift() [L143] COND FALSE !(\read(pumpRunning)) [L150] COND TRUE \read(systemActive) [L152] CALL processEnvironment() [L172] int tmp ; [L175] COND FALSE !(\read(pumpRunning)) [L190] FCALL processEnvironment__wrappee__methaneQuery() [L152] RET processEnvironment() [L158] CALL __utac_acc__Specification2_spec__2() [L781] int tmp ; [L782] int tmp___0 ; [L786] CALL, EXPR isMethaneLevelCritical() [L730] int retValue_acc ; [L733] retValue_acc = methaneLevelCritical [L734] return (retValue_acc); [L786] RET, EXPR isMethaneLevelCritical() [L786] tmp = isMethaneLevelCritical() [L788] COND FALSE !(\read(tmp)) [L804] methAndRunningLastTime = 0 [L158] RET __utac_acc__Specification2_spec__2() [L107] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 11:48:22,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a88245-151c-425d-9d47-0f904a57c1b0/bin/uautomizer-tPACEb0tL8/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)