./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.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_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD --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 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 ................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:00:00,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:00:00,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:00:01,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:00:01,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:00:01,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:00:01,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:00:01,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:00:01,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:00:01,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:00:01,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:00:01,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:00:01,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:00:01,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:00:01,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:00:01,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:00:01,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:00:01,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:00:01,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:00:01,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:00:01,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:00:01,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:00:01,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:00:01,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:00:01,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:00:01,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:00:01,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:00:01,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:00:01,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:00:01,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:00:01,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:00:01,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:00:01,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:00:01,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:00:01,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:00:01,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:00:01,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:00:01,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:00:01,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:00:01,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:00:01,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:00:01,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:00:01,217 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:00:01,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:00:01,222 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:00:01,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:00:01,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:00:01,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:00:01,227 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:00:01,228 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:00:01,228 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:00:01,228 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:00:01,230 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:00:01,230 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:00:01,231 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:00:01,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:00:01,231 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:00:01,232 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:00:01,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:00:01,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:00:01,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:00:01,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:00:01,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:00:01,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:00:01,234 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:00:01,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:00:01,234 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:00:01,235 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:00:01,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:00:01,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:00:01,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:00:01,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:00:01,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:00:01,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:00:01,239 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:00:01,239 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_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 [2021-10-28 23:00:01,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:00:01,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:00:01,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:00:01,602 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:00:01,603 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:00:01,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-10-28 23:00:01,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/data/c77488e34/9f1305239fe1491b93d786c5d3d7b664/FLAGf2cd2ad10 [2021-10-28 23:00:02,300 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:00:02,301 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-10-28 23:00:02,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/data/c77488e34/9f1305239fe1491b93d786c5d3d7b664/FLAGf2cd2ad10 [2021-10-28 23:00:02,579 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/data/c77488e34/9f1305239fe1491b93d786c5d3d7b664 [2021-10-28 23:00:02,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:00:02,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:00:02,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:00:02,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:00:02,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:00:02,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:00:02" (1/1) ... [2021-10-28 23:00:02,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729c7795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:02, skipping insertion in model container [2021-10-28 23:00:02,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:00:02" (1/1) ... [2021-10-28 23:00:02,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:00:02,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:00:03,019 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_27883441-d6dc-4330-b7e1-7845ab27e063/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2021-10-28 23:00:03,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:00:03,033 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:00:03,195 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_27883441-d6dc-4330-b7e1-7845ab27e063/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2021-10-28 23:00:03,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:00:03,233 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:00:03,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03 WrapperNode [2021-10-28 23:00:03,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:00:03,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:00:03,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:00:03,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:00:03,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03" (1/1) ... [2021-10-28 23:00:03,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03" (1/1) ... [2021-10-28 23:00:03,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:00:03,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:00:03,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:00:03,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:00:03,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03" (1/1) ... [2021-10-28 23:00:03,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03" (1/1) ... [2021-10-28 23:00:03,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03" (1/1) ... [2021-10-28 23:00:03,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03" (1/1) ... [2021-10-28 23:00:03,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03" (1/1) ... [2021-10-28 23:00:03,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03" (1/1) ... [2021-10-28 23:00:03,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03" (1/1) ... [2021-10-28 23:00:03,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:00:03,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:00:03,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:00:03,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:00:03,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03" (1/1) ... [2021-10-28 23:00:03,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:00:03,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:00:03,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:00:03,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:00:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:00:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:00:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:00:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:00:04,376 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:00:04,376 INFO L299 CfgBuilder]: Removed 80 assume(true) statements. [2021-10-28 23:00:04,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:04 BoogieIcfgContainer [2021-10-28 23:00:04,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:00:04,380 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:00:04,380 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:00:04,384 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:00:04,385 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:00:04,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:00:02" (1/3) ... [2021-10-28 23:00:04,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37f5d435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:00:04, skipping insertion in model container [2021-10-28 23:00:04,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:00:04,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:03" (2/3) ... [2021-10-28 23:00:04,388 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37f5d435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:00:04, skipping insertion in model container [2021-10-28 23:00:04,388 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:00:04,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:04" (3/3) ... [2021-10-28 23:00:04,390 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2021-10-28 23:00:04,441 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:00:04,441 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:00:04,441 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:00:04,441 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:00:04,442 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:00:04,442 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:00:04,442 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:00:04,442 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:00:04,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 23:00:04,486 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 23:00:04,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:00:04,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:00:04,495 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:00:04,496 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:00:04,496 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:00:04,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 23:00:04,512 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 23:00:04,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:00:04,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:00:04,514 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:00:04,514 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:00:04,528 INFO L791 eck$LassoCheckResult]: Stem: 48#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~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 38#L-1true havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 55#L262true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 15#L270true main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 17#L226true assume 0 != main_~tmp~0; 12#L197true ~switchedOnBeforeTS~0 := 0; 56#L649true havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, 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; 20#L670-1true [2021-10-28 23:00:04,529 INFO L793 eck$LassoCheckResult]: Loop: 20#L670-1true assume !false; 18#L703true assume test_~splverifierCounter~0 < 4; 53#L704true test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 60#L712true assume !(0 != test_~tmp~5); 8#L712-1true test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 57#L722true assume !(0 != test_~tmp___0~1); 36#L722-1true test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 27#L732true assume 0 != test_~tmp___2~0; 45#L738-2true havoc __utac_acc__Specification5_spec__2_#t~ret54;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 52#L828true __utac_acc__Specification5_spec__2_#t~ret54 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret54;havoc __utac_acc__Specification5_spec__2_#t~ret54; 29#L659true assume !(0 != ~pumpRunning~0); 44#L769true assume 0 != ~systemActive~0; 32#L776true havoc __utac_acc__Specification5_spec__3_#t~ret55, __utac_acc__Specification5_spec__3_#t~ret56, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 42#L131true __utac_acc__Specification5_spec__3_#t~ret55 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret55;havoc __utac_acc__Specification5_spec__3_#t~ret55; 46#L670true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 20#L670-1true [2021-10-28 23:00:04,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:04,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 23:00:04,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:04,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844999967] [2021-10-28 23:00:04,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:04,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:04,881 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:05,078 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:05,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:05,082 INFO L85 PathProgramCache]: Analyzing trace with hash 93307151, now seen corresponding path program 1 times [2021-10-28 23:00:05,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:05,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467100913] [2021-10-28 23:00:05,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:05,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:05,091 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:05,103 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:05,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:05,105 INFO L85 PathProgramCache]: Analyzing trace with hash 2027332361, now seen corresponding path program 1 times [2021-10-28 23:00:05,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:05,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223918388] [2021-10-28 23:00:05,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:05,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:00:05,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:00:05,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:00:05,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223918388] [2021-10-28 23:00:05,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223918388] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:00:05,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:00:05,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:00:05,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96856991] [2021-10-28 23:00:05,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:00:05,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:00:05,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:00:05,529 INFO L87 Difference]: Start difference. First operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 23:00:05,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:00:05,740 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2021-10-28 23:00:05,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:00:05,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2021-10-28 23:00:05,759 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-28 23:00:05,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2021-10-28 23:00:05,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2021-10-28 23:00:05,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2021-10-28 23:00:05,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2021-10-28 23:00:05,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:00:05,776 INFO L681 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2021-10-28 23:00:05,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2021-10-28 23:00:05,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2021-10-28 23:00:05,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 104 states have internal predecessors, (142), 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 23:00:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2021-10-28 23:00:05,815 INFO L704 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-28 23:00:05,816 INFO L587 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-28 23:00:05,816 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:00:05,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2021-10-28 23:00:05,817 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-28 23:00:05,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:00:05,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:00:05,818 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:00:05,819 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:00:05,819 INFO L791 eck$LassoCheckResult]: Stem: 309#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~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~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 301#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 302#L262 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 264#L270 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 265#L226 assume 0 != main_~tmp~0; 257#L197 ~switchedOnBeforeTS~0 := 0; 258#L649 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, 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; 272#L670-1 [2021-10-28 23:00:05,819 INFO L793 eck$LassoCheckResult]: Loop: 272#L670-1 assume !false; 268#L703 assume test_~splverifierCounter~0 < 4; 269#L704 test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 312#L712 assume !(0 != test_~tmp~5); 252#L712-1 test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 253#L722 assume !(0 != test_~tmp___0~1); 245#L722-1 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 285#L732 assume 0 != test_~tmp___2~0; 287#L738-2 havoc __utac_acc__Specification5_spec__2_#t~ret54;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 306#L828 __utac_acc__Specification5_spec__2_#t~ret54 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret54;havoc __utac_acc__Specification5_spec__2_#t~ret54; 311#L659 assume !(0 != ~pumpRunning~0); 339#L769 assume 0 != ~systemActive~0; 337#L776 havoc __utac_acc__Specification5_spec__3_#t~ret55, __utac_acc__Specification5_spec__3_#t~ret56, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 304#L131 __utac_acc__Specification5_spec__3_#t~ret55 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret55;havoc __utac_acc__Specification5_spec__3_#t~ret55; 305#L670 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 307#L828-1 __utac_acc__Specification5_spec__3_#t~ret56 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret56;havoc __utac_acc__Specification5_spec__3_#t~ret56; 275#L674 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 272#L670-1 [2021-10-28 23:00:05,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:05,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-28 23:00:05,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:05,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330110506] [2021-10-28 23:00:05,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:05,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:05,904 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:05,975 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:05,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:05,976 INFO L85 PathProgramCache]: Analyzing trace with hash -526156086, now seen corresponding path program 1 times [2021-10-28 23:00:05,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:05,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266914948] [2021-10-28 23:00:05,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:05,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:05,983 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:05,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:05,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:05,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1648768444, now seen corresponding path program 1 times [2021-10-28 23:00:05,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:05,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353120463] [2021-10-28 23:00:05,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:05,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:06,036 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:06,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:10,068 WARN L207 SmtUtils]: Spent 1.06 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 23:02:11,957 WARN L207 SmtUtils]: Spent 30.92 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 23:02:12,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:02:12 BoogieIcfgContainer [2021-10-28 23:02:12,075 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:02:12,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:02:12,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:02:12,076 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:02:12,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:04" (3/4) ... [2021-10-28 23:02:12,079 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:02:12,131 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:02:12,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:02:12,132 INFO L168 Benchmark]: Toolchain (without parser) took 129548.20 ms. Allocated memory was 90.2 MB in the beginning and 146.8 MB in the end (delta: 56.6 MB). Free memory was 55.1 MB in the beginning and 49.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 63.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:12,133 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 61.8 MB in the beginning and 61.7 MB in the end (delta: 31.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:02:12,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.27 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 54.8 MB in the beginning and 84.6 MB in the end (delta: -29.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:12,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.23 ms. Allocated memory is still 115.3 MB. Free memory was 84.6 MB in the beginning and 81.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:12,135 INFO L168 Benchmark]: Boogie Preprocessor took 42.90 ms. Allocated memory is still 115.3 MB. Free memory was 81.8 MB in the beginning and 80.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:12,136 INFO L168 Benchmark]: RCFGBuilder took 1019.69 ms. Allocated memory is still 115.3 MB. Free memory was 79.7 MB in the beginning and 73.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:12,136 INFO L168 Benchmark]: BuchiAutomizer took 127695.28 ms. Allocated memory was 115.3 MB in the beginning and 146.8 MB in the end (delta: 31.5 MB). Free memory was 73.4 MB in the beginning and 52.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 75.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:12,137 INFO L168 Benchmark]: Witness Printer took 55.10 ms. Allocated memory is still 146.8 MB. Free memory was 52.2 MB in the beginning and 49.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:12,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 61.8 MB in the beginning and 61.7 MB in the end (delta: 31.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 649.27 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 54.8 MB in the beginning and 84.6 MB in the end (delta: -29.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.23 ms. Allocated memory is still 115.3 MB. Free memory was 84.6 MB in the beginning and 81.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.90 ms. Allocated memory is still 115.3 MB. Free memory was 81.8 MB in the beginning and 80.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1019.69 ms. Allocated memory is still 115.3 MB. Free memory was 79.7 MB in the beginning and 73.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 127695.28 ms. Allocated memory was 115.3 MB in the beginning and 146.8 MB in the end (delta: 31.5 MB). Free memory was 73.4 MB in the beginning and 52.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 75.9 MB. Max. memory is 16.1 GB. * Witness Printer took 55.10 ms. Allocated memory is still 146.8 MB. Free memory was 52.2 MB in the beginning and 49.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 127.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 127.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 702]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=11704} State at position 1 is {NULL=0, NULL=0, NULL=11710, NULL=0, NULL=0, retValue_acc=0, NULL=11704, NULL=11729, NULL=0, NULL=11724, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ae62381=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@194725ff=0, NULL=11732, NULL=11706, NULL=0, NULL=11707, methaneLevelCritical=0, NULL=11705, NULL=11713, NULL=0, NULL=0, tmp=0, NULL=11717, tmp=1, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=11708, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=11719, NULL=11721, NULL=11709, \result=0, NULL=0, systemActive=1, waterLevel=1, NULL=11716, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=11712, NULL=0, NULL=11731, NULL=0, NULL=11711, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, NULL=11725, \result=0, NULL=0, NULL=0, NULL=11722, retValue_acc=1, NULL=11720, NULL=0, NULL=0, NULL=11733, NULL=0, NULL=11718, tmp___2=56, NULL=0, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cc345a0=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67dd925a=0, NULL=11727, NULL=11728, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f57edb=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d6b44a4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d9772e9=0, head=0, NULL=0, NULL=0, NULL=11726, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63562093=0, NULL=11714, retValue_acc=0, NULL=0, NULL=11723, NULL=11730} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L643] int switchedOnBeforeTS ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; [L217] int retValue_acc ; [L218] int tmp ; [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] return (retValue_acc); [L224] tmp = valid_product() [L226] COND TRUE \read(tmp) [L648] switchedOnBeforeTS = 0 [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L657] switchedOnBeforeTS = isPumpRunning() [L769] COND FALSE !(\read(pumpRunning)) [L776] COND TRUE \read(systemActive) [L663] int tmp ; [L664] int tmp___0 ; [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L668] tmp = getWaterLevel() [L670] COND TRUE tmp != 2 [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L672] tmp___0 = isPumpRunning() [L674] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:02:12,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27883441-d6dc-4330-b7e1-7845ab27e063/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...