./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt --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 10f05e3ec3dc20c87bc900eaaa9b2990393e6df5 ....................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:00:26,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:00:26,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:00:26,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:00:26,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:00:26,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:00:26,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:00:26,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:00:26,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:00:26,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:00:26,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:00:26,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:00:26,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:00:26,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:00:26,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:00:26,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:00:26,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:00:26,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:00:26,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:00:26,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:00:26,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:00:26,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:00:26,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:00:26,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:00:26,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:00:26,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:00:26,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:00:26,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:00:26,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:00:26,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:00:26,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:00:26,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:00:26,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:00:26,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:00:26,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:00:26,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:00:26,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:00:26,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:00:26,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:00:26,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:00:26,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:00:26,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:00:26,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:00:26,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:00:26,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:00:26,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:00:26,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:00:26,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:00:26,144 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:00:26,145 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:00:26,145 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:00:26,146 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:00:26,146 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:00:26,147 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:00:26,147 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:00:26,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:00:26,148 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:00:26,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:00:26,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:00:26,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:00:26,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:00:26,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:00:26,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:00:26,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:00:26,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:00:26,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:00:26,152 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:00:26,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:00:26,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:00:26,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:00:26,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:00:26,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:00:26,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:00:26,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:00:26,156 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:00:26,156 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_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10f05e3ec3dc20c87bc900eaaa9b2990393e6df5 [2021-10-13 01:00:26,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:00:26,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:00:26,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:00:26,451 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:00:26,452 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:00:26,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-10-13 01:00:26,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/data/d0b5c1960/f2a2670d84c340e280a19fcdc24648d7/FLAG7fa48ff24 [2021-10-13 01:00:27,289 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:00:27,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-10-13 01:00:27,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/data/d0b5c1960/f2a2670d84c340e280a19fcdc24648d7/FLAG7fa48ff24 [2021-10-13 01:00:27,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/data/d0b5c1960/f2a2670d84c340e280a19fcdc24648d7 [2021-10-13 01:00:27,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:00:27,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:00:27,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:00:27,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:00:27,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:00:27,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:00:27" (1/1) ... [2021-10-13 01:00:27,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77644953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:27, skipping insertion in model container [2021-10-13 01:00:27,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:00:27" (1/1) ... [2021-10-13 01:00:27,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:00:27,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:00:27,964 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[2999,3012] [2021-10-13 01:00:28,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:00:28,123 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:00:28,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[2999,3012] [2021-10-13 01:00:28,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:00:28,258 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:00:28,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28 WrapperNode [2021-10-13 01:00:28,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:00:28,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:00:28,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:00:28,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:00:28,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28" (1/1) ... [2021-10-13 01:00:28,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28" (1/1) ... [2021-10-13 01:00:28,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:00:28,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:00:28,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:00:28,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:00:28,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28" (1/1) ... [2021-10-13 01:00:28,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28" (1/1) ... [2021-10-13 01:00:28,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28" (1/1) ... [2021-10-13 01:00:28,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28" (1/1) ... [2021-10-13 01:00:28,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28" (1/1) ... [2021-10-13 01:00:28,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28" (1/1) ... [2021-10-13 01:00:28,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28" (1/1) ... [2021-10-13 01:00:28,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:00:28,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:00:28,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:00:28,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:00:28,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28" (1/1) ... [2021-10-13 01:00:28,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:28,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:28,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:28,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:00:28,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:00:28,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:00:28,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:00:28,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:00:29,605 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:00:29,606 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-13 01:00:29,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:00:29 BoogieIcfgContainer [2021-10-13 01:00:29,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:00:29,613 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:00:29,614 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:00:29,619 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:00:29,621 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:00:29,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:00:27" (1/3) ... [2021-10-13 01:00:29,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1939fe9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:00:29, skipping insertion in model container [2021-10-13 01:00:29,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:00:29,624 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:28" (2/3) ... [2021-10-13 01:00:29,624 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1939fe9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:00:29, skipping insertion in model container [2021-10-13 01:00:29,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:00:29,626 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:00:29" (3/3) ... [2021-10-13 01:00:29,627 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2021-10-13 01:00:29,694 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:00:29,694 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:00:29,694 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:00:29,694 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:00:29,695 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:00:29,695 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:00:29,695 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:00:29,695 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:00:29,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 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) [2021-10-13 01:00:29,762 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-13 01:00:29,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:00:29,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:00:29,772 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:00:29,772 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:00:29,772 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:00:29,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 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) [2021-10-13 01:00:29,791 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-13 01:00:29,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:00:29,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:00:29,794 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:00:29,794 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:00:29,808 INFO L791 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 46#L-1true havoc main_#res;havoc main_#t~ret9, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 39#L206true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 65#L214true main_#t~ret9 := valid_product_#res;main_~tmp~1 := main_#t~ret9;havoc main_#t~ret9; 18#L161true assume 0 != main_~tmp~1; 60#L134true havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 69#L53-1true [2021-10-13 01:00:29,809 INFO L793 eck$LassoCheckResult]: Loop: 69#L53-1true assume !false; 14#L230true assume test_~splverifierCounter~0 < 4; 19#L231true test_~tmp~2 := test_#t~nondet11;havoc test_#t~nondet11; 31#L239true assume !(0 != test_~tmp~2); 23#L239-1true test_~tmp___0~1 := test_#t~nondet12;havoc test_#t~nondet12; 12#L249true assume !(0 != test_~tmp___0~1); 4#L249-1true test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 5#L259true assume 0 != test_~tmp___2~0; 52#L265-2true assume !(0 != ~pumpRunning~0); 37#L297true assume !(0 != ~systemActive~0); 33#L304true havoc __utac_acc__Specification4_spec__1_#t~ret7, __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 22#L517true __utac_acc__Specification4_spec__1_#t~ret7 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret7;havoc __utac_acc__Specification4_spec__1_#t~ret7; 38#L53true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 69#L53-1true [2021-10-13 01:00:29,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:29,816 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-13 01:00:29,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:29,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402069744] [2021-10-13 01:00:29,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:29,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:30,249 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:30,505 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:30,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:30,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683774, now seen corresponding path program 1 times [2021-10-13 01:00:30,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:30,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477345409] [2021-10-13 01:00:30,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:30,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:30,568 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:30,621 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:30,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:30,623 INFO L82 PathProgramCache]: Analyzing trace with hash 32595164, now seen corresponding path program 1 times [2021-10-13 01:00:30,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:30,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025453571] [2021-10-13 01:00:30,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:30,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:30,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:00:30,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:00:30,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025453571] [2021-10-13 01:00:30,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025453571] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:00:30,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:00:30,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:00:30,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357783416] [2021-10-13 01:00:31,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:00:31,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:00:31,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:00:31,042 INFO L87 Difference]: Start difference. First operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 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 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-10-13 01:00:31,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:00:31,273 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2021-10-13 01:00:31,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:00:31,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2021-10-13 01:00:31,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-13 01:00:31,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2021-10-13 01:00:31,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2021-10-13 01:00:31,286 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2021-10-13 01:00:31,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2021-10-13 01:00:31,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:00:31,287 INFO L681 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-13 01:00:31,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2021-10-13 01:00:31,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-13 01:00:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 64 states have internal predecessors, (90), 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) [2021-10-13 01:00:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-13 01:00:31,322 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-13 01:00:31,322 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-13 01:00:31,322 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:00:31,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2021-10-13 01:00:31,324 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-13 01:00:31,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:00:31,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:00:31,325 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:00:31,325 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:00:31,326 INFO L791 eck$LassoCheckResult]: Stem: 226#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 219#L-1 havoc main_#res;havoc main_#t~ret9, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 214#L206 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 215#L214 main_#t~ret9 := valid_product_#res;main_~tmp~1 := main_#t~ret9;havoc main_#t~ret9; 184#L161 assume 0 != main_~tmp~1; 185#L134 havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 212#L53-1 [2021-10-13 01:00:31,326 INFO L793 eck$LassoCheckResult]: Loop: 212#L53-1 assume !false; 177#L230 assume test_~splverifierCounter~0 < 4; 178#L231 test_~tmp~2 := test_#t~nondet11;havoc test_#t~nondet11; 186#L239 assume !(0 != test_~tmp~2); 192#L239-1 test_~tmp___0~1 := test_#t~nondet12;havoc test_#t~nondet12; 173#L249 assume !(0 != test_~tmp___0~1); 162#L249-1 test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 163#L259 assume 0 != test_~tmp___2~0; 166#L265-2 assume !(0 != ~pumpRunning~0); 210#L297 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 211#L329 assume !(0 != ~pumpRunning~0); 205#L304 havoc __utac_acc__Specification4_spec__1_#t~ret7, __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 190#L517 __utac_acc__Specification4_spec__1_#t~ret7 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret7;havoc __utac_acc__Specification4_spec__1_#t~ret7; 191#L53 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 212#L53-1 [2021-10-13 01:00:31,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:31,327 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-13 01:00:31,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:31,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47365385] [2021-10-13 01:00:31,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:31,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:31,382 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:31,452 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:31,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:31,453 INFO L82 PathProgramCache]: Analyzing trace with hash -619582373, now seen corresponding path program 1 times [2021-10-13 01:00:31,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:31,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063175196] [2021-10-13 01:00:31,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:31,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:31,460 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:31,468 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:31,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:31,469 INFO L82 PathProgramCache]: Analyzing trace with hash 983457153, now seen corresponding path program 1 times [2021-10-13 01:00:31,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:31,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282780929] [2021-10-13 01:00:31,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:31,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:31,521 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:31,588 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:46,874 WARN L207 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-13 01:03:09,391 WARN L207 SmtUtils]: Spent 38.82 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-13 01:03:09,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:03:09 BoogieIcfgContainer [2021-10-13 01:03:09,529 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:03:09,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:03:09,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:03:09,530 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:03:09,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:00:29" (3/4) ... [2021-10-13 01:03:09,534 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 01:03:09,587 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:03:09,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:03:09,589 INFO L168 Benchmark]: Toolchain (without parser) took 162027.16 ms. Allocated memory was 144.7 MB in the beginning and 190.8 MB in the end (delta: 46.1 MB). Free memory was 107.4 MB in the beginning and 105.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:09,590 INFO L168 Benchmark]: CDTParser took 11.94 ms. Allocated memory was 83.9 MB in the beginning and 144.7 MB in the end (delta: 60.8 MB). Free memory was 39.5 MB in the beginning and 117.9 MB in the end (delta: -78.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:09,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.50 ms. Allocated memory is still 144.7 MB. Free memory was 107.4 MB in the beginning and 111.0 MB in the end (delta: -3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:09,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.56 ms. Allocated memory is still 144.7 MB. Free memory was 111.0 MB in the beginning and 108.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:09,593 INFO L168 Benchmark]: Boogie Preprocessor took 45.22 ms. Allocated memory is still 144.7 MB. Free memory was 108.0 MB in the beginning and 106.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:09,593 INFO L168 Benchmark]: RCFGBuilder took 1203.14 ms. Allocated memory is still 144.7 MB. Free memory was 106.0 MB in the beginning and 69.8 MB in the end (delta: 36.2 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:09,594 INFO L168 Benchmark]: BuchiAutomizer took 159915.57 ms. Allocated memory was 144.7 MB in the beginning and 190.8 MB in the end (delta: 46.1 MB). Free memory was 69.8 MB in the beginning and 107.9 MB in the end (delta: -38.1 MB). Peak memory consumption was 69.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:09,595 INFO L168 Benchmark]: Witness Printer took 58.27 ms. Allocated memory is still 190.8 MB. Free memory was 107.9 MB in the beginning and 105.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:09,599 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 11.94 ms. Allocated memory was 83.9 MB in the beginning and 144.7 MB in the end (delta: 60.8 MB). Free memory was 39.5 MB in the beginning and 117.9 MB in the end (delta: -78.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 694.50 ms. Allocated memory is still 144.7 MB. Free memory was 107.4 MB in the beginning and 111.0 MB in the end (delta: -3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.56 ms. Allocated memory is still 144.7 MB. Free memory was 111.0 MB in the beginning and 108.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.22 ms. Allocated memory is still 144.7 MB. Free memory was 108.0 MB in the beginning and 106.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1203.14 ms. Allocated memory is still 144.7 MB. Free memory was 106.0 MB in the beginning and 69.8 MB in the end (delta: 36.2 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 159915.57 ms. Allocated memory was 144.7 MB in the beginning and 190.8 MB in the end (delta: 46.1 MB). Free memory was 69.8 MB in the beginning and 107.9 MB in the end (delta: -38.1 MB). Peak memory consumption was 69.4 MB. Max. memory is 16.1 GB. * Witness Printer took 58.27 ms. Allocated memory is still 190.8 MB. Free memory was 107.9 MB in the beginning and 105.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * 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 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 159.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 159.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 18.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 367 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 144.9ms Time 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 229]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=13407} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=13407, NULL=15155, NULL=0, NULL=13408, NULL=0, NULL=15164, NULL=15158, methaneLevelCritical=0, NULL=15153, tmp=0, NULL=0, NULL=15157, NULL=0, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5deab6c0=0, NULL=0, NULL=0, NULL=15141, tmp___0=0, NULL=15148, NULL=15165, cleanupTimeShifts=4, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5deeae92=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60ce3a1e=0, NULL=15151, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fbf8661=0, NULL=15149, head=0, pumpRunning=0, \result=0, NULL=15162, NULL=15166, tmp=1, NULL=0, NULL=0, NULL=15143, NULL=15163, tmp=1, NULL=15145, NULL=0, NULL=0, NULL=15161, NULL=0, NULL=0, NULL=15150, NULL=0, retValue_acc=1, retValue_acc=1, tmp___2=62, NULL=0, NULL=15156, tmp___0=0, NULL=15152, splverifierCounter=0, NULL=0, NULL=15159, NULL=15140, NULL=15160, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75b2aac3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c2cc957=62, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@255a324e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f9cabd2=0, tmp=0, head=0, NULL=0, NULL=0, NULL=15147, NULL=0, NULL=0, NULL=15142, NULL=0, NULL=0, NULL=0, NULL=15154, NULL=15146, NULL=15144} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L71] int cleanupTimeShifts = 4; [L290] int pumpRunning = 0; [L291] int systemActive = 1; [L442] int waterLevel = 1; [L443] int methaneLevelCritical = 0; [L700] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L152] int retValue_acc ; [L153] int tmp ; [L210] int retValue_acc ; [L213] retValue_acc = 1 [L214] return (retValue_acc); [L159] tmp = valid_product() [L161] COND TRUE \read(tmp) [L220] int splverifierCounter ; [L221] int tmp ; [L222] int tmp___0 ; [L223] int tmp___1 ; [L224] int tmp___2 ; [L227] splverifierCounter = 0 Loop: [L229] COND TRUE 1 [L231] COND TRUE splverifierCounter < 4 [L237] tmp = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp)) [L247] tmp___0 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___0)) [L257] tmp___2 = __VERIFIER_nondet_int() [L259] COND TRUE \read(tmp___2) [L297] COND FALSE !(\read(pumpRunning)) [L304] COND TRUE \read(systemActive) [L326] int tmp ; [L329] COND FALSE !(\read(pumpRunning)) [L46] int tmp ; [L47] int tmp___0 ; [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L51] tmp = getWaterLevel() [L53] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 01:03:09,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8f4e1b-1b6d-4525-bd19-30c44d33d32e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...