./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg --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 4dae96e0c4eed470a791b2d8d52884fccffefaebe65a821ad8af6206bc44af61 ......................................................................................................................................................................................................................................................................................................................... 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-b2eff8b [2021-10-28 09:53:47,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:53:47,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:53:47,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:53:47,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:53:47,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:53:47,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:53:47,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:53:47,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:53:47,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:53:47,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:53:47,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:53:47,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:53:47,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:53:47,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:53:47,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:53:47,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:53:47,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:53:47,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:53:47,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:53:47,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:53:47,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:53:47,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:53:47,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:53:47,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:53:47,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:53:47,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:53:47,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:53:47,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:53:47,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:53:47,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:53:47,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:53:47,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:53:47,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:53:47,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:53:47,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:53:47,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:53:47,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:53:47,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:53:47,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:53:47,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:53:47,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:53:47,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:53:47,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:53:47,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:53:47,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:53:47,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:53:47,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:53:47,148 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:53:47,148 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:53:47,148 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:53:47,148 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:53:47,148 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:53:47,149 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:53:47,149 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:53:47,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:53:47,149 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:53:47,149 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:53:47,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:53:47,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:53:47,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:53:47,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:53:47,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:53:47,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:53:47,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:53:47,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:53:47,151 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:53:47,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:53:47,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:53:47,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:53:47,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:53:47,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:53:47,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:53:47,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:53:47,154 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:53:47,154 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dae96e0c4eed470a791b2d8d52884fccffefaebe65a821ad8af6206bc44af61 [2021-10-28 09:53:47,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:53:47,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:53:47,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:53:47,399 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:53:47,400 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:53:47,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2021-10-28 09:53:47,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/data/0d52ae195/ccdecca49c2a45ad97a142ee3a1a764d/FLAG28edf9100 [2021-10-28 09:53:48,073 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:53:48,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2021-10-28 09:53:48,094 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/data/0d52ae195/ccdecca49c2a45ad97a142ee3a1a764d/FLAG28edf9100 [2021-10-28 09:53:48,336 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/data/0d52ae195/ccdecca49c2a45ad97a142ee3a1a764d [2021-10-28 09:53:48,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:53:48,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:53:48,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:53:48,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:53:48,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:53:48,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:48,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a35a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48, skipping insertion in model container [2021-10-28 09:53:48,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:48,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:53:48,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:53:48,621 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_5084babc-a0f1-4e99-b718-d2c8f49186fb/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c[1605,1618] [2021-10-28 09:53:48,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:53:48,789 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:53:48,802 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_5084babc-a0f1-4e99-b718-d2c8f49186fb/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c[1605,1618] [2021-10-28 09:53:48,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:53:48,904 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:53:48,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48 WrapperNode [2021-10-28 09:53:48,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:53:48,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:53:48,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:53:48,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:53:48,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:48,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:48,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:53:48,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:53:48,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:53:48,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:53:48,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:48,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:48,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:48,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:48,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:48,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:49,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:49,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:53:49,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:53:49,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:53:49,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:53:49,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48" (1/1) ... [2021-10-28 09:53:49,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:53:49,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:53:49,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:53:49,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:53:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:53:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:53:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:53:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:53:49,897 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:53:49,898 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-28 09:53:49,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:49 BoogieIcfgContainer [2021-10-28 09:53:49,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:53:49,901 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:53:49,901 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:53:49,904 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:53:49,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:53:49,905 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:53:48" (1/3) ... [2021-10-28 09:53:49,907 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b694ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:53:49, skipping insertion in model container [2021-10-28 09:53:49,907 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:53:49,907 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:48" (2/3) ... [2021-10-28 09:53:49,907 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b694ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:53:49, skipping insertion in model container [2021-10-28 09:53:49,908 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:53:49,908 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:49" (3/3) ... [2021-10-28 09:53:49,909 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2021-10-28 09:53:49,950 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:53:49,951 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:53:49,951 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:53:49,951 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:53:49,951 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:53:49,951 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:53:49,952 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:53:49,952 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:53:49,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 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) [2021-10-28 09:53:49,986 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 09:53:49,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:53:49,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:53:49,994 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:49,994 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:49,994 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:53:49,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 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) [2021-10-28 09:53:49,999 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 09:53:50,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:53:50,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:53:50,001 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:50,001 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:50,006 INFO L791 eck$LassoCheckResult]: Stem: 50#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 45#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 59#L536true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 44#L544true main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 25#L879true assume 0 != main_~tmp~6; 17#L855true ~methAndRunningLastTime~0 := 0; 5#L763true havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 47#L774-1true [2021-10-28 09:53:50,006 INFO L793 eck$LassoCheckResult]: Loop: 47#L774-1true assume !false; 58#L563true assume test_~splverifierCounter~0 < 4; 18#L564true test_~tmp~3 := test_#t~nondet53;havoc test_#t~nondet53; 43#L572true assume !(0 != test_~tmp~3); 19#L572-1true test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 56#L582true assume !(0 != test_~tmp___0~0); 35#L582-1true test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 21#L592true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 46#L600-2true assume !(0 != ~pumpRunning~0); 6#L631true assume 0 != ~systemActive~0; 38#L638true havoc __utac_acc__Specification2_spec__2_#t~ret75, __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 27#L108true __utac_acc__Specification2_spec__2_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret75;havoc __utac_acc__Specification2_spec__2_#t~ret75; 24#L774true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 47#L774-1true [2021-10-28 09:53:50,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:50,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 09:53:50,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:50,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452043890] [2021-10-28 09:53:50,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:50,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:50,263 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:53:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:50,413 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:53:50,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:50,416 INFO L85 PathProgramCache]: Analyzing trace with hash 2663790, now seen corresponding path program 1 times [2021-10-28 09:53:50,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:50,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498000683] [2021-10-28 09:53:50,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:50,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:50,425 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:53:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:50,436 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:53:50,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:50,437 INFO L85 PathProgramCache]: Analyzing trace with hash 835960296, now seen corresponding path program 1 times [2021-10-28 09:53:50,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:50,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979644076] [2021-10-28 09:53:50,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:50,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:50,531 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:53:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:50,634 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:54:46,868 WARN L207 SmtUtils]: Spent 56.00 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 09:55:43,138 WARN L207 SmtUtils]: Spent 28.03 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 09:55:43,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:55:43 BoogieIcfgContainer [2021-10-28 09:55:43,271 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:55:43,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:55:43,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:55:43,272 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:55:43,272 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:49" (3/4) ... [2021-10-28 09:55:43,274 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:55:43,381 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:55:43,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:55:43,400 INFO L168 Benchmark]: Toolchain (without parser) took 115053.94 ms. Allocated memory was 115.3 MB in the beginning and 163.6 MB in the end (delta: 48.2 MB). Free memory was 81.1 MB in the beginning and 49.3 MB in the end (delta: 31.8 MB). Peak memory consumption was 81.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:43,400 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:55:43,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.64 ms. Allocated memory is still 115.3 MB. Free memory was 80.9 MB in the beginning and 82.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:43,402 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.62 ms. Allocated memory is still 115.3 MB. Free memory was 82.8 MB in the beginning and 80.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:43,403 INFO L168 Benchmark]: Boogie Preprocessor took 50.60 ms. Allocated memory is still 115.3 MB. Free memory was 80.3 MB in the beginning and 78.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:43,403 INFO L168 Benchmark]: RCFGBuilder took 883.71 ms. Allocated memory is still 115.3 MB. Free memory was 78.6 MB in the beginning and 81.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:43,404 INFO L168 Benchmark]: BuchiAutomizer took 113369.68 ms. Allocated memory was 115.3 MB in the beginning and 163.6 MB in the end (delta: 48.2 MB). Free memory was 81.1 MB in the beginning and 51.3 MB in the end (delta: 29.8 MB). Peak memory consumption was 91.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:43,405 INFO L168 Benchmark]: Witness Printer took 127.26 ms. Allocated memory is still 163.6 MB. Free memory was 51.3 MB in the beginning and 49.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:43,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 556.64 ms. Allocated memory is still 115.3 MB. Free memory was 80.9 MB in the beginning and 82.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.62 ms. Allocated memory is still 115.3 MB. Free memory was 82.8 MB in the beginning and 80.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.60 ms. Allocated memory is still 115.3 MB. Free memory was 80.3 MB in the beginning and 78.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 883.71 ms. Allocated memory is still 115.3 MB. Free memory was 78.6 MB in the beginning and 81.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 113369.68 ms. Allocated memory was 115.3 MB in the beginning and 163.6 MB in the end (delta: 48.2 MB). Free memory was 81.1 MB in the beginning and 51.3 MB in the end (delta: 29.8 MB). Peak memory consumption was 91.3 MB. Max. memory is 16.1 GB. * Witness Printer took 127.26 ms. Allocated memory is still 163.6 MB. Free memory was 51.3 MB in the beginning and 49.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 113.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 113.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 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: 562]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=18062, NULL=0, NULL=1, NULL=18047, NULL=0, NULL=0, NULL=0, NULL=0, NULL=18065, retValue_acc=0, NULL=18040, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@874a19a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5478e2dd=0, NULL=18044, methaneLevelCritical=0, NULL=18060, NULL=18057, tmp=0, NULL=0, NULL=0, NULL=18043, tmp___1=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44d00da9=0, NULL=18049, NULL=18056, cleanupTimeShifts=4, NULL=18050, NULL=18067, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=18064, NULL=0, NULL=18048, NULL=18051, tmp___0=0, NULL=18053, NULL=18066, \result=1, head=0, pumpRunning=0, NULL=18046, \result=0, NULL=18061, NULL=0, NULL=18042, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5797f8e9=0, tmp=1, NULL=18058, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@206f09a6=0, NULL=18045, retValue_acc=1, NULL=0, NULL=0, NULL=18055, tmp___2=78, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=18059, NULL=18041, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25f4676c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5662b94e=78, head=0, NULL=0, NULL=0, NULL=18063, NULL=18052, NULL=18054, tmp=0, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L65] int waterLevel = 1; [L66] int methaneLevelCritical = 0; [L314] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L757] int methAndRunningLastTime ; [L796] int cleanupTimeShifts = 4; [L870] int retValue_acc ; [L871] int tmp ; [L540] int retValue_acc ; [L543] retValue_acc = 1 [L544] return (retValue_acc); [L877] tmp = valid_product() [L879] COND TRUE \read(tmp) [L762] methAndRunningLastTime = 0 [L553] int splverifierCounter ; [L554] int tmp ; [L555] int tmp___0 ; [L556] int tmp___1 ; [L557] int tmp___2 ; [L560] splverifierCounter = 0 Loop: [L562] COND TRUE 1 [L564] COND TRUE splverifierCounter < 4 [L570] tmp = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp)) [L580] tmp___0 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___0)) [L590] tmp___2 = __VERIFIER_nondet_int() [L592] COND TRUE \read(tmp___2) [L752] systemActive = 1 [L631] COND FALSE !(\read(pumpRunning)) [L638] COND TRUE \read(systemActive) [L767] int tmp ; [L768] int tmp___0 ; [L104] int retValue_acc ; [L107] retValue_acc = methaneLevelCritical [L108] return (retValue_acc); [L772] tmp = isMethaneLevelCritical() [L774] COND FALSE !(\read(tmp)) [L790] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:55:43,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5084babc-a0f1-4e99-b718-d2c8f49186fb/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...