./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.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_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/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_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/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_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/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 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec ............................................................................................................................................................................................................................................................................................................................................................................... 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 23:33:36,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:33:36,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:33:36,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:33:36,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:33:36,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:33:36,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:33:36,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:33:36,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:33:36,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:33:36,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:33:36,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:33:36,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:33:36,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:33:36,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:33:36,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:33:36,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:33:36,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:33:36,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:33:36,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:33:36,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:33:36,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:33:36,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:33:36,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:33:36,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:33:36,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:33:36,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:33:36,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:33:36,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:33:36,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:33:36,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:33:36,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:33:36,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:33:36,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:33:36,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:33:36,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:33:36,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:33:36,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:33:36,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:33:36,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:33:36,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:33:36,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:33:36,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:33:36,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:33:36,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:33:36,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:33:36,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:33:36,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:33:36,912 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:33:36,912 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:33:36,912 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:33:36,913 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:33:36,914 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:33:36,915 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:33:36,915 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:33:36,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:33:36,915 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:33:36,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:33:36,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:33:36,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:33:36,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:33:36,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:33:36,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:33:36,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:33:36,918 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:33:36,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:33:36,918 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:33:36,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:33:36,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:33:36,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:33:36,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:33:36,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:33:36,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:33:36,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:33:36,924 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:33:36,925 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_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec [2021-10-28 23:33:37,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:33:37,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:33:37,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:33:37,287 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:33:37,289 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:33:37,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2021-10-28 23:33:37,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/data/2d40e34fe/f4d0e2c755b44b14b61d161b6e7c891f/FLAG8a50f7be4 [2021-10-28 23:33:38,051 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:33:38,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2021-10-28 23:33:38,077 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/data/2d40e34fe/f4d0e2c755b44b14b61d161b6e7c891f/FLAG8a50f7be4 [2021-10-28 23:33:38,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/data/2d40e34fe/f4d0e2c755b44b14b61d161b6e7c891f [2021-10-28 23:33:38,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:33:38,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:33:38,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:33:38,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:33:38,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:33:38,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:33:38" (1/1) ... [2021-10-28 23:33:38,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@478a837b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:38, skipping insertion in model container [2021-10-28 23:33:38,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:33:38" (1/1) ... [2021-10-28 23:33:38,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:33:38,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:33:38,610 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_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c[1605,1618] [2021-10-28 23:33:38,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:33:38,891 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:33:38,922 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_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c[1605,1618] [2021-10-28 23:33:39,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:33:39,074 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:33:39,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39 WrapperNode [2021-10-28 23:33:39,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:33:39,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:33:39,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:33:39,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:33:39,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39" (1/1) ... [2021-10-28 23:33:39,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39" (1/1) ... [2021-10-28 23:33:39,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:33:39,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:33:39,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:33:39,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:33:39,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39" (1/1) ... [2021-10-28 23:33:39,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39" (1/1) ... [2021-10-28 23:33:39,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39" (1/1) ... [2021-10-28 23:33:39,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39" (1/1) ... [2021-10-28 23:33:39,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39" (1/1) ... [2021-10-28 23:33:39,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39" (1/1) ... [2021-10-28 23:33:39,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39" (1/1) ... [2021-10-28 23:33:39,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:33:39,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:33:39,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:33:39,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:33:39,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39" (1/1) ... [2021-10-28 23:33:39,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:39,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:39,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:39,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:33:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:33:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:33:40,739 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:33:40,739 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-28 23:33:40,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:33:40 BoogieIcfgContainer [2021-10-28 23:33:40,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:33:40,742 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:33:40,743 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:33:40,748 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:33:40,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:33:40,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:33:38" (1/3) ... [2021-10-28 23:33:40,751 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32bf63b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:33:40, skipping insertion in model container [2021-10-28 23:33:40,751 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:33:40,751 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:39" (2/3) ... [2021-10-28 23:33:40,752 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32bf63b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:33:40, skipping insertion in model container [2021-10-28 23:33:40,752 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:33:40,752 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:33:40" (3/3) ... [2021-10-28 23:33:40,754 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2021-10-28 23:33:40,843 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:33:40,844 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:33:40,844 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:33:40,844 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:33:40,844 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:33:40,845 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:33:40,845 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:33:40,845 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:33:40,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 23:33:40,908 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-10-28 23:33:40,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:33:40,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:33:40,919 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:33:40,920 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:40,920 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:33:40,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 23:33:40,928 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-10-28 23:33:40,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:33:40,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:33:40,930 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:33:40,930 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:40,937 INFO L791 eck$LassoCheckResult]: Stem: 61#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);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(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 52#L-1true havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 72#L478true 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; 44#L486true main_#t~ret75 := valid_product_#res;main_~tmp~7 := main_#t~ret75;havoc main_#t~ret75; 40#L868true assume 0 != main_~tmp~7; 12#L844true havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 69#L435-1true [2021-10-28 23:33:40,938 INFO L793 eck$LassoCheckResult]: Loop: 69#L435-1true assume !false; 17#L893true assume test_~splverifierCounter~0 < 4; 48#L894true test_~tmp~8 := test_#t~nondet76;havoc test_#t~nondet76; 41#L902true assume !(0 != test_~tmp~8); 20#L902-1true test_~tmp___0~2 := test_#t~nondet77;havoc test_#t~nondet77; 58#L912true assume !(0 != test_~tmp___0~2); 22#L912-1true test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 62#L922true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 63#L930-1true assume !(0 != ~pumpRunning~0); 45#L508true assume !(0 != ~systemActive~0); 54#L515true havoc __utac_acc__Specification4_spec__1_#t~ret42, __utac_acc__Specification4_spec__1_#t~ret43, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 46#L771true __utac_acc__Specification4_spec__1_#t~ret42 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret42;havoc __utac_acc__Specification4_spec__1_#t~ret42; 42#L435true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 69#L435-1true [2021-10-28 23:33:40,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:40,957 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 23:33:40,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:40,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614822575] [2021-10-28 23:33:40,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:40,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:41,384 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:33:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:41,668 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:33:41,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:41,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2021-10-28 23:33:41,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:41,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764179692] [2021-10-28 23:33:41,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:41,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:41,750 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 23:33:41,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:33:41,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764179692] [2021-10-28 23:33:41,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764179692] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:33:41,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:33:41,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:33:41,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471485407] [2021-10-28 23:33:41,761 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:33:41,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:33:41,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:33:41,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:33:41,785 INFO L87 Difference]: Start difference. First operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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) [2021-10-28 23:33:41,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:33:41,852 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2021-10-28 23:33:41,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:33:41,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2021-10-28 23:33:41,863 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2021-10-28 23:33:41,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2021-10-28 23:33:41,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2021-10-28 23:33:41,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2021-10-28 23:33:41,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2021-10-28 23:33:41,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:33:41,877 INFO L681 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2021-10-28 23:33:41,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2021-10-28 23:33:41,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2021-10-28 23:33:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.4285714285714286) internal successors, (180), 125 states have internal predecessors, (180), 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 23:33:41,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2021-10-28 23:33:41,935 INFO L704 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2021-10-28 23:33:41,935 INFO L587 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2021-10-28 23:33:41,935 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:33:41,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2021-10-28 23:33:41,940 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2021-10-28 23:33:41,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:33:41,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:33:41,941 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:33:41,942 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:41,942 INFO L791 eck$LassoCheckResult]: Stem: 296#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);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(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 285#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 286#L478 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; 281#L486 main_#t~ret75 := valid_product_#res;main_~tmp~7 := main_#t~ret75;havoc main_#t~ret75; 275#L868 assume 0 != main_~tmp~7; 239#L844 havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 240#L435-1 [2021-10-28 23:33:41,942 INFO L793 eck$LassoCheckResult]: Loop: 240#L435-1 assume !false; 246#L893 assume test_~splverifierCounter~0 < 4; 247#L894 test_~tmp~8 := test_#t~nondet76;havoc test_#t~nondet76; 276#L902 assume !(0 != test_~tmp~8); 242#L902-1 test_~tmp___0~2 := test_#t~nondet77;havoc test_#t~nondet77; 250#L912 assume !(0 != test_~tmp___0~2); 307#L912-1 test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 297#L922 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 298#L930-1 assume !(0 != ~pumpRunning~0); 268#L508 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret45, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 269#L540 assume !(0 != ~pumpRunning~0); 270#L515 havoc __utac_acc__Specification4_spec__1_#t~ret42, __utac_acc__Specification4_spec__1_#t~ret43, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 316#L771 __utac_acc__Specification4_spec__1_#t~ret42 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret42;havoc __utac_acc__Specification4_spec__1_#t~ret42; 315#L435 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 240#L435-1 [2021-10-28 23:33:41,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:41,943 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-28 23:33:41,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:41,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750811744] [2021-10-28 23:33:41,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:41,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:42,028 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:33:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:42,157 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:33:42,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:42,158 INFO L85 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2021-10-28 23:33:42,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:42,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217691767] [2021-10-28 23:33:42,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:42,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:42,173 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:33:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:42,201 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:33:42,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:42,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2021-10-28 23:33:42,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:42,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979736202] [2021-10-28 23:33:42,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:42,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:42,303 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:33:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:42,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:34:58,597 WARN L207 SmtUtils]: Spent 1.27 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 23:36:15,491 WARN L207 SmtUtils]: Spent 37.92 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 23:36:15,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:36:15 BoogieIcfgContainer [2021-10-28 23:36:15,778 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:36:15,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:36:15,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:36:15,779 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:36:15,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:33:40" (3/4) ... [2021-10-28 23:36:15,790 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:36:15,854 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:36:15,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:36:15,856 INFO L168 Benchmark]: Toolchain (without parser) took 157517.50 ms. Allocated memory was 104.9 MB in the beginning and 197.1 MB in the end (delta: 92.3 MB). Free memory was 67.4 MB in the beginning and 83.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 77.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:15,856 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 104.9 MB. Free memory is still 73.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:36:15,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.81 ms. Allocated memory is still 104.9 MB. Free memory was 67.2 MB in the beginning and 48.8 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:15,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.05 ms. Allocated memory is still 104.9 MB. Free memory was 48.8 MB in the beginning and 46.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:15,859 INFO L168 Benchmark]: Boogie Preprocessor took 99.37 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 45.8 MB in the beginning and 126.9 MB in the end (delta: -81.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:15,860 INFO L168 Benchmark]: RCFGBuilder took 1442.11 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 89.0 MB in the end (delta: 37.9 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:15,861 INFO L168 Benchmark]: BuchiAutomizer took 155035.36 ms. Allocated memory was 151.0 MB in the beginning and 197.1 MB in the end (delta: 46.1 MB). Free memory was 89.0 MB in the beginning and 85.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 83.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:15,861 INFO L168 Benchmark]: Witness Printer took 75.82 ms. Allocated memory is still 197.1 MB. Free memory was 85.9 MB in the beginning and 83.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:15,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 104.9 MB. Free memory is still 73.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 732.81 ms. Allocated memory is still 104.9 MB. Free memory was 67.2 MB in the beginning and 48.8 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.05 ms. Allocated memory is still 104.9 MB. Free memory was 48.8 MB in the beginning and 46.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.37 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 45.8 MB in the beginning and 126.9 MB in the end (delta: -81.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1442.11 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 89.0 MB in the end (delta: 37.9 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 155035.36 ms. Allocated memory was 151.0 MB in the beginning and 197.1 MB in the end (delta: 46.1 MB). Free memory was 89.0 MB in the beginning and 85.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 83.1 MB. Max. memory is 16.1 GB. * Witness Printer took 75.82 ms. Allocated memory is still 197.1 MB. Free memory was 85.9 MB in the beginning and 83.9 MB in the end (delta: 2.1 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 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 154.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 154.6s. 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 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 101 SDtfs, 97 SDslu, 89 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 892]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=8428, NULL=0, NULL=1, NULL=0, NULL=8432, NULL=8435, NULL=8424, methaneLevelCritical=0, NULL=8420, NULL=0, NULL=0, NULL=8431, tmp=0, tmp___1=0, NULL=8426, NULL=0, NULL=0, tmp___0=0, NULL=8419, NULL=8427, NULL=8430, cleanupTimeShifts=4, NULL=8436, NULL=8422, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@513ca122=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@311d5a2f=0, NULL=8429, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bc577b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d51a921=68, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49c49fd5=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76a7bfea=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=8415, \result=1, head=0, pumpRunning=0, NULL=8416, NULL=8437, \result=0, NULL=8413, NULL=0, NULL=8433, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=8434, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a978f31=0, retValue_acc=1, NULL=8414, NULL=0, tmp=1, NULL=0, retValue_acc=1, NULL=8438, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56886a8f=0, tmp___2=68, tmp___0=0, NULL=152, NULL=8417, splverifierCounter=0, NULL=0, NULL=0, NULL=8425, NULL=8423, NULL=8421, head=0, tmp=0, NULL=0, NULL=0, NULL=8418, NULL=0, NULL=0, NULL=8412} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L696] int waterLevel = 1; [L697] int methaneLevelCritical = 0; [L785] int cleanupTimeShifts = 4; [L859] int retValue_acc ; [L860] int tmp ; [L482] int retValue_acc ; [L485] retValue_acc = 1 [L486] return (retValue_acc); [L866] tmp = valid_product() [L868] COND TRUE \read(tmp) [L883] int splverifierCounter ; [L884] int tmp ; [L885] int tmp___0 ; [L886] int tmp___1 ; [L887] int tmp___2 ; [L890] splverifierCounter = 0 Loop: [L892] COND TRUE 1 [L894] COND TRUE splverifierCounter < 4 [L900] tmp = __VERIFIER_nondet_int() [L902] COND FALSE !(\read(tmp)) [L910] tmp___0 = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp___0)) [L920] tmp___2 = __VERIFIER_nondet_int() [L922] COND TRUE \read(tmp___2) [L689] systemActive = 1 [L508] COND FALSE !(\read(pumpRunning)) [L515] COND TRUE \read(systemActive) [L537] int tmp ; [L540] COND FALSE !(\read(pumpRunning)) [L428] int tmp ; [L429] int tmp___0 ; [L767] int retValue_acc ; [L770] retValue_acc = waterLevel [L771] return (retValue_acc); [L433] tmp = getWaterLevel() [L435] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:36:15,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0215c2-2520-4e0e-9955-9e637e6cb4bd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...