./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be --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 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 .................................................................................................................................................................................................................................................................................................................................................................................. 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-e943c26 [2021-10-21 19:31:11,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:31:11,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:31:11,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:31:11,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:31:11,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:31:11,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:31:11,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:31:11,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:31:11,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:31:11,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:31:11,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:31:11,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:31:11,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:31:11,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:31:11,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:31:11,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:31:11,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:31:11,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:31:11,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:31:11,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:31:11,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:31:11,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:31:11,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:31:11,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:31:11,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:31:11,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:31:11,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:31:11,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:31:11,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:31:11,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:31:11,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:31:11,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:31:11,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:31:11,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:31:11,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:31:11,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:31:11,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:31:11,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:31:11,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:31:11,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:31:11,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:31:12,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:31:12,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:31:12,008 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:31:12,008 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:31:12,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:31:12,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:31:12,010 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:31:12,010 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:31:12,010 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:31:12,010 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:31:12,011 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:31:12,011 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:31:12,011 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:31:12,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:31:12,012 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:31:12,012 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:31:12,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:31:12,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:31:12,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:31:12,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:31:12,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:31:12,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:31:12,013 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:31:12,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:31:12,014 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:31:12,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:31:12,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:31:12,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:31:12,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:31:12,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:31:12,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:31:12,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:31:12,017 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:31:12,017 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_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 [2021-10-21 19:31:12,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:31:12,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:31:12,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:31:12,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:31:12,303 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:31:12,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-21 19:31:12,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/data/6c56a0c54/3673d3bfc72f4efca6b66ab5d624cb48/FLAGfa153d9ed [2021-10-21 19:31:12,856 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:31:12,857 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-21 19:31:12,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/data/6c56a0c54/3673d3bfc72f4efca6b66ab5d624cb48/FLAGfa153d9ed [2021-10-21 19:31:13,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/data/6c56a0c54/3673d3bfc72f4efca6b66ab5d624cb48 [2021-10-21 19:31:13,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:31:13,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:31:13,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:31:13,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:31:13,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:31:13,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79de2ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13, skipping insertion in model container [2021-10-21 19:31:13,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:31:13,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:31:13,564 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_1bdbd211-f5f8-4c17-9b95-5a09810fc507/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2021-10-21 19:31:13,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:31:13,592 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:31:13,650 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_1bdbd211-f5f8-4c17-9b95-5a09810fc507/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2021-10-21 19:31:13,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:31:13,681 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:31:13,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13 WrapperNode [2021-10-21 19:31:13,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:31:13,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:31:13,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:31:13,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:31:13,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:31:13,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:31:13,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:31:13,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:31:13,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:31:13,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:31:13,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:31:13,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:31:13,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13" (1/1) ... [2021-10-21 19:31:13,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:13,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:13,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:13,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:31:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:31:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:31:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:31:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:31:14,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:31:14,593 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-21 19:31:14,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:31:14 BoogieIcfgContainer [2021-10-21 19:31:14,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:31:14,596 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:31:14,596 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:31:14,600 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:31:14,600 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:31:14,601 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:31:13" (1/3) ... [2021-10-21 19:31:14,602 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a5be47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:31:14, skipping insertion in model container [2021-10-21 19:31:14,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:31:14,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:13" (2/3) ... [2021-10-21 19:31:14,603 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a5be47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:31:14, skipping insertion in model container [2021-10-21 19:31:14,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:31:14,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:31:14" (3/3) ... [2021-10-21 19:31:14,605 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2021-10-21 19:31:14,661 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:31:14,662 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:31:14,662 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:31:14,662 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:31:14,662 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:31:14,662 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:31:14,663 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:31:14,663 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:31:14,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 77 states have internal predecessors, (118), 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) [2021-10-21 19:31:14,717 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2021-10-21 19:31:14,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:31:14,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:31:14,726 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:14,726 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:14,726 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:31:14,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 77 states have internal predecessors, (118), 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) [2021-10-21 19:31:14,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2021-10-21 19:31:14,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:31:14,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:31:14,741 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:14,741 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:14,746 INFO L791 eck$LassoCheckResult]: Stem: 63#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(77, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(101, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(116, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(104, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string15.base, #t~string15.offset, 1);call write~init~int(82, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(73, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(84, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 4 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(75, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 51#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 7#L117true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 23#L125true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 58#L311true assume 0 != main_~tmp~1; 22#L286true ~methAndRunningLastTime~0 := 0; 45#L59true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 33#L70-1true [2021-10-21 19:31:14,757 INFO L793 eck$LassoCheckResult]: Loop: 33#L70-1true assume !false; 37#L713true assume test_~splverifierCounter~0 < 4; 11#L714true test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 74#L722true assume !(0 != test_~tmp~5); 46#L722-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 29#L732true assume !(0 != test_~tmp___0~1); 71#L732-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 47#L742true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 69#L750-1true assume !(0 != ~pumpRunning~0); 4#L780true assume !(0 != ~systemActive~0); 64#L787true havoc __utac_acc__Specification2_spec__2_#t~ret7, __utac_acc__Specification2_spec__2_#t~ret8, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 67#L179true __utac_acc__Specification2_spec__2_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret7;havoc __utac_acc__Specification2_spec__2_#t~ret7; 79#L70true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 33#L70-1true [2021-10-21 19:31:14,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:14,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-21 19:31:14,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:14,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276705462] [2021-10-21 19:31:14,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:14,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:15,089 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:31:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:15,232 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:31:15,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:15,235 INFO L82 PathProgramCache]: Analyzing trace with hash 12142292, now seen corresponding path program 1 times [2021-10-21 19:31:15,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:15,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828474917] [2021-10-21 19:31:15,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:15,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:15,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:15,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:15,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828474917] [2021-10-21 19:31:15,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828474917] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:15,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:15,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:15,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566505279] [2021-10-21 19:31:15,300 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:31:15,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:15,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:15,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:15,318 INFO L87 Difference]: Start difference. First operand has 78 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 77 states have internal predecessors, (118), 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 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-21 19:31:15,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:15,371 INFO L93 Difference]: Finished difference Result 149 states and 211 transitions. [2021-10-21 19:31:15,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:15,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 211 transitions. [2021-10-21 19:31:15,379 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2021-10-21 19:31:15,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 135 states and 196 transitions. [2021-10-21 19:31:15,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2021-10-21 19:31:15,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2021-10-21 19:31:15,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 196 transitions. [2021-10-21 19:31:15,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:31:15,389 INFO L681 BuchiCegarLoop]: Abstraction has 135 states and 196 transitions. [2021-10-21 19:31:15,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 196 transitions. [2021-10-21 19:31:15,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2021-10-21 19:31:15,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 133 states have (on average 1.4511278195488722) internal successors, (193), 132 states have internal predecessors, (193), 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) [2021-10-21 19:31:15,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 193 transitions. [2021-10-21 19:31:15,426 INFO L704 BuchiCegarLoop]: Abstraction has 133 states and 193 transitions. [2021-10-21 19:31:15,426 INFO L587 BuchiCegarLoop]: Abstraction has 133 states and 193 transitions. [2021-10-21 19:31:15,426 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:31:15,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 193 transitions. [2021-10-21 19:31:15,429 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2021-10-21 19:31:15,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:31:15,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:31:15,430 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:15,430 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:15,431 INFO L791 eck$LassoCheckResult]: Stem: 316#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(77, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(101, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(116, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(104, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string15.base, #t~string15.offset, 1);call write~init~int(82, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(73, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(84, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 4 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(75, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 304#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 243#L117 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 244#L125 main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 271#L311 assume 0 != main_~tmp~1; 269#L286 ~methAndRunningLastTime~0 := 0; 270#L59 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 241#L70-1 [2021-10-21 19:31:15,431 INFO L793 eck$LassoCheckResult]: Loop: 241#L70-1 assume !false; 285#L713 assume test_~splverifierCounter~0 < 4; 253#L714 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 254#L722 assume !(0 != test_~tmp~5); 275#L722-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 278#L732 assume !(0 != test_~tmp___0~1); 277#L732-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 329#L742 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 301#L750-1 assume !(0 != ~pumpRunning~0); 236#L780 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 237#L812 assume !(0 != ~pumpRunning~0); 239#L787 havoc __utac_acc__Specification2_spec__2_#t~ret7, __utac_acc__Specification2_spec__2_#t~ret8, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 317#L179 __utac_acc__Specification2_spec__2_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret7;havoc __utac_acc__Specification2_spec__2_#t~ret7; 320#L70 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 241#L70-1 [2021-10-21 19:31:15,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:15,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-21 19:31:15,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:15,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022353885] [2021-10-21 19:31:15,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:15,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:15,549 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:31:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:15,615 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:31:15,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:15,616 INFO L82 PathProgramCache]: Analyzing trace with hash 349417953, now seen corresponding path program 1 times [2021-10-21 19:31:15,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:15,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761654417] [2021-10-21 19:31:15,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:15,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:15,623 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:31:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:15,631 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:31:15,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:15,632 INFO L82 PathProgramCache]: Analyzing trace with hash 411805863, now seen corresponding path program 1 times [2021-10-21 19:31:15,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:15,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109767831] [2021-10-21 19:31:15,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:15,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:15,692 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:31:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:15,771 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:32:11,140 WARN L207 SmtUtils]: Spent 55.20 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-21 19:33:05,167 WARN L207 SmtUtils]: Spent 27.08 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-21 19:33:05,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:33:05 BoogieIcfgContainer [2021-10-21 19:33:05,334 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:33:05,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:33:05,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:33:05,336 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:33:05,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:31:14" (3/4) ... [2021-10-21 19:33:05,339 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 19:33:05,396 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:33:05,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:33:05,398 INFO L168 Benchmark]: Toolchain (without parser) took 112195.21 ms. Allocated memory was 88.1 MB in the beginning and 146.8 MB in the end (delta: 58.7 MB). Free memory was 49.5 MB in the beginning and 70.8 MB in the end (delta: -21.2 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:05,398 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 67.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:33:05,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.72 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 49.3 MB in the beginning and 78.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:05,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.11 ms. Allocated memory is still 111.1 MB. Free memory was 78.6 MB in the beginning and 75.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:05,401 INFO L168 Benchmark]: Boogie Preprocessor took 40.93 ms. Allocated memory is still 111.1 MB. Free memory was 75.8 MB in the beginning and 73.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:05,401 INFO L168 Benchmark]: RCFGBuilder took 809.98 ms. Allocated memory is still 111.1 MB. Free memory was 73.4 MB in the beginning and 80.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:05,402 INFO L168 Benchmark]: BuchiAutomizer took 110738.69 ms. Allocated memory was 111.1 MB in the beginning and 146.8 MB in the end (delta: 35.7 MB). Free memory was 79.6 MB in the beginning and 73.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 86.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:05,403 INFO L168 Benchmark]: Witness Printer took 61.14 ms. Allocated memory is still 146.8 MB. Free memory was 73.7 MB in the beginning and 70.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:05,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 67.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 478.72 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 49.3 MB in the beginning and 78.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.11 ms. Allocated memory is still 111.1 MB. Free memory was 78.6 MB in the beginning and 75.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.93 ms. Allocated memory is still 111.1 MB. Free memory was 75.8 MB in the beginning and 73.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 809.98 ms. Allocated memory is still 111.1 MB. Free memory was 73.4 MB in the beginning and 80.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 110738.69 ms. Allocated memory was 111.1 MB in the beginning and 146.8 MB in the end (delta: 35.7 MB). Free memory was 79.6 MB in the beginning and 73.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 86.2 MB. Max. memory is 16.1 GB. * Witness Printer took 61.14 ms. Allocated memory is still 146.8 MB. Free memory was 73.7 MB in the beginning and 70.8 MB in the end (delta: 3.0 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 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 3 locations. The remainder module has 133 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 110.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 110.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 22.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 133 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 108 SDtfs, 104 SDslu, 95 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.2ms Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 712]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=3214} State at position 1 is {NULL=3242, NULL=0, NULL=0, NULL=3214, NULL=0, NULL=3225, NULL=0, NULL=0, retValue_acc=0, NULL=3226, NULL=0, NULL=0, NULL=3241, NULL=3238, methaneLevelCritical=0, NULL=0, NULL=0, tmp=0, NULL=3229, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=3218, cleanupTimeShifts=4, NULL=3235, NULL=3230, NULL=3220, NULL=3234, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@222b09b4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3500e8fa=0, NULL=0, systemActive=1, waterLevel=1, NULL=3223, NULL=0, retValue_acc=0, NULL=3217, NULL=0, NULL=0, NULL=0, NULL=3240, \result=1, head=0, pumpRunning=0, NULL=3232, \result=0, NULL=3216, NULL=0, tmp=1, NULL=0, NULL=0, NULL=0, NULL=3215, tmp___0=0, NULL=3236, NULL=0, NULL=0, NULL=3224, NULL=0, NULL=3219, retValue_acc=1, tmp___2=71, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=3222, NULL=3231, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ba2c41d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ca4e020=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45d7bdf0=71, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@642c2ed3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b50bdf3=0, head=0, NULL=3239, tmp=0, NULL=0, tmp=0, NULL=3233, NULL=3228, NULL=0, NULL=0, NULL=3237, NULL=0, NULL=3221, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18ea9b55=0, NULL=3227} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int methAndRunningLastTime ; [L136] int waterLevel = 1; [L137] int methaneLevelCritical = 0; [L225] int cleanupTimeShifts = 4; [L494] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L773] int pumpRunning = 0; [L774] int systemActive = 1; [L302] int retValue_acc ; [L303] int tmp ; [L121] int retValue_acc ; [L124] retValue_acc = 1 [L125] return (retValue_acc); [L309] tmp = valid_product() [L311] COND TRUE \read(tmp) [L58] methAndRunningLastTime = 0 [L703] int splverifierCounter ; [L704] int tmp ; [L705] int tmp___0 ; [L706] int tmp___1 ; [L707] int tmp___2 ; [L710] splverifierCounter = 0 Loop: [L712] COND TRUE 1 [L714] COND TRUE splverifierCounter < 4 [L720] tmp = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp)) [L730] tmp___0 = __VERIFIER_nondet_int() [L732] COND FALSE !(\read(tmp___0)) [L740] tmp___2 = __VERIFIER_nondet_int() [L742] COND TRUE \read(tmp___2) [L943] systemActive = 1 [L780] COND FALSE !(\read(pumpRunning)) [L787] COND TRUE \read(systemActive) [L809] int tmp ; [L812] COND FALSE !(\read(pumpRunning)) [L63] int tmp ; [L64] int tmp___0 ; [L175] int retValue_acc ; [L178] retValue_acc = methaneLevelCritical [L179] return (retValue_acc); [L68] tmp = isMethaneLevelCritical() [L70] COND FALSE !(\read(tmp)) [L86] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-21 19:33:05,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdbd211-f5f8-4c17-9b95-5a09810fc507/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...