./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8 --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 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:40:19,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:40:19,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:40:19,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:40:19,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:40:19,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:40:19,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:40:19,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:40:19,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:40:19,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:40:19,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:40:19,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:40:19,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:40:19,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:40:19,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:40:19,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:40:19,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:40:19,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:40:19,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:40:19,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:40:19,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:40:19,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:40:19,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:40:19,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:40:19,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:40:19,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:40:19,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:40:19,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:40:19,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:40:19,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:40:19,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:40:19,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:40:19,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:40:19,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:40:19,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:40:19,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:40:19,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:40:19,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:40:19,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:40:19,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:40:19,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:40:19,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:40:19,635 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:40:19,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:40:19,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:40:19,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:40:19,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:40:19,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:40:19,651 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:40:19,651 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:40:19,651 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:40:19,652 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:40:19,653 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:40:19,653 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:40:19,654 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:40:19,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:40:19,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:40:19,654 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:40:19,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:40:19,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:40:19,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:40:19,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:40:19,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:40:19,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:40:19,656 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:40:19,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:40:19,659 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:40:19,659 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:40:19,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:40:19,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:40:19,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:40:19,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:40:19,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:40:19,662 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:40:19,662 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_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 [2022-11-16 12:40:20,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:40:20,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:40:20,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:40:20,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:40:20,067 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:40:20,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2022-11-16 12:40:20,142 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/data/8cf763325/17983f5073d046b1986e9a6fd3a697d5/FLAGdaca82860 [2022-11-16 12:40:20,759 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:40:20,760 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2022-11-16 12:40:20,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/data/8cf763325/17983f5073d046b1986e9a6fd3a697d5/FLAGdaca82860 [2022-11-16 12:40:21,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/data/8cf763325/17983f5073d046b1986e9a6fd3a697d5 [2022-11-16 12:40:21,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:40:21,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:40:21,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:40:21,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:40:21,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:40:21,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490e9aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21, skipping insertion in model container [2022-11-16 12:40:21,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:40:21,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:40:21,331 WARN L229 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_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c[1605,1618] [2022-11-16 12:40:21,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:40:21,470 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:40:21,486 WARN L229 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_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c[1605,1618] [2022-11-16 12:40:21,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:40:21,570 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:40:21,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21 WrapperNode [2022-11-16 12:40:21,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:40:21,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:40:21,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:40:21,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:40:21,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,652 INFO L138 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 44, calls inlined = 33, statements flattened = 281 [2022-11-16 12:40:21,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:40:21,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:40:21,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:40:21,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:40:21,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,684 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:40:21,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:40:21,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:40:21,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:40:21,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (1/1) ... [2022-11-16 12:40:21,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:40:21,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:40:21,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:40:21,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:40:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:40:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:40:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:40:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:40:21,886 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:40:21,889 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:40:22,238 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:40:22,260 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:40:22,260 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:40:22,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:40:22 BoogieIcfgContainer [2022-11-16 12:40:22,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:40:22,264 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:40:22,275 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:40:22,296 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:40:22,297 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:40:22,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:40:21" (1/3) ... [2022-11-16 12:40:22,298 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bdca45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:40:22, skipping insertion in model container [2022-11-16 12:40:22,298 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:40:22,299 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:21" (2/3) ... [2022-11-16 12:40:22,299 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bdca45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:40:22, skipping insertion in model container [2022-11-16 12:40:22,299 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:40:22,299 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:40:22" (3/3) ... [2022-11-16 12:40:22,301 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2022-11-16 12:40:22,432 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:40:22,432 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:40:22,432 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:40:22,432 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:40:22,432 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:40:22,433 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:40:22,433 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:40:22,433 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:40:22,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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) [2022-11-16 12:40:22,495 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2022-11-16 12:40:22,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:40:22,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:40:22,510 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:40:22,511 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:40:22,511 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:40:22,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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) [2022-11-16 12:40:22,519 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2022-11-16 12:40:22,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:40:22,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:40:22,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:40:22,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:40:22,542 INFO L748 eck$LassoCheckResult]: Stem: 64#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 14#L866true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 60#L859true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 16#L874true main_#t~ret13#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 26#L301true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 52#L275true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 17#L158-2true [2022-11-16 12:40:22,545 INFO L750 eck$LassoCheckResult]: Loop: 17#L158-2true assume !false; 9#L159true assume test_~splverifierCounter~0#1 < 4; 28#L160true test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 4#L168true assume !(0 != test_~tmp~0#1); 11#L168-2true test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 37#L178true assume !(0 != test_~tmp___0~0#1); 12#L178-2true test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 20#L188true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 75#L196true assume 0 != test_~tmp___1~0#1; 69#L196-2true assume { :begin_inline_timeShift } true; 47#L692true assume !(0 != ~pumpRunning~0); 33#L692-2true assume !(0 != ~systemActive~0); 23#L699-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 27#L108true __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 61#L826true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 62#L826-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 57#L709true assume { :end_inline_timeShift } true; 17#L158-2true [2022-11-16 12:40:22,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:40:22,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 12:40:22,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:40:22,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122598031] [2022-11-16 12:40:22,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:40:22,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:40:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:22,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:40:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:22,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:40:22,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:40:22,893 INFO L85 PathProgramCache]: Analyzing trace with hash -944082814, now seen corresponding path program 1 times [2022-11-16 12:40:22,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:40:22,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696206398] [2022-11-16 12:40:22,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:40:22,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:40:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:22,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:40:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:22,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:40:23,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:40:23,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1875764418, now seen corresponding path program 1 times [2022-11-16 12:40:23,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:40:23,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94134691] [2022-11-16 12:40:23,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:40:23,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:40:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:23,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:40:23,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:40:23,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94134691] [2022-11-16 12:40:23,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94134691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:40:23,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:40:23,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:40:23,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711047843] [2022-11-16 12:40:23,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:40:23,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:40:23,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:40:23,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:40:23,693 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-11-16 12:40:23,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:40:23,812 INFO L93 Difference]: Finished difference Result 73 states and 89 transitions. [2022-11-16 12:40:23,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 89 transitions. [2022-11-16 12:40:23,818 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2022-11-16 12:40:23,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 63 states and 79 transitions. [2022-11-16 12:40:23,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2022-11-16 12:40:23,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2022-11-16 12:40:23,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 79 transitions. [2022-11-16 12:40:23,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:40:23,827 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-11-16 12:40:23,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 79 transitions. [2022-11-16 12:40:23,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-16 12:40:23,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 62 states have internal predecessors, (79), 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) [2022-11-16 12:40:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-11-16 12:40:23,865 INFO L240 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-11-16 12:40:23,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:40:23,871 INFO L428 stractBuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-11-16 12:40:23,872 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:40:23,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 79 transitions. [2022-11-16 12:40:23,874 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2022-11-16 12:40:23,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:40:23,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:40:23,875 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:40:23,875 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:40:23,876 INFO L748 eck$LassoCheckResult]: Stem: 226#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 223#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 184#L866 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 185#L859 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 186#L874 main_#t~ret13#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 187#L301 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 204#L275 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 188#L158-2 [2022-11-16 12:40:23,876 INFO L750 eck$LassoCheckResult]: Loop: 188#L158-2 assume !false; 178#L159 assume test_~splverifierCounter~0#1 < 4; 179#L160 test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 169#L168 assume !(0 != test_~tmp~0#1); 171#L168-2 test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 181#L178 assume !(0 != test_~tmp___0~0#1); 182#L178-2 test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 183#L188 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 193#L196 assume 0 != test_~tmp___1~0#1; 200#L196-2 assume { :begin_inline_timeShift } true; 220#L692 assume !(0 != ~pumpRunning~0); 208#L692-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 209#L716 assume { :end_inline_processEnvironment } true; 198#L699-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 199#L108 __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 203#L826 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 219#L826-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 225#L709 assume { :end_inline_timeShift } true; 188#L158-2 [2022-11-16 12:40:23,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:40:23,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 12:40:23,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:40:23,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547527547] [2022-11-16 12:40:23,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:40:23,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:40:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:23,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:40:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:23,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:40:23,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:40:23,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1426283493, now seen corresponding path program 1 times [2022-11-16 12:40:23,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:40:23,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488820755] [2022-11-16 12:40:23,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:40:23,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:40:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:23,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:40:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:23,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:40:23,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:40:23,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1686042455, now seen corresponding path program 1 times [2022-11-16 12:40:23,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:40:23,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105877707] [2022-11-16 12:40:23,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:40:23,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:40:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:23,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:40:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:23,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:40:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:29,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:40:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:40:29,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:40:29 BoogieIcfgContainer [2022-11-16 12:40:29,130 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:40:29,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:40:29,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:40:29,131 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:40:29,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:40:22" (3/4) ... [2022-11-16 12:40:29,135 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 12:40:29,194 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:40:29,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:40:29,195 INFO L158 Benchmark]: Toolchain (without parser) took 8156.53ms. Allocated memory was 115.3MB in the beginning and 197.1MB in the end (delta: 81.8MB). Free memory was 77.6MB in the beginning and 95.1MB in the end (delta: -17.5MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2022-11-16 12:40:29,196 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:40:29,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.58ms. Allocated memory is still 115.3MB. Free memory was 77.4MB in the beginning and 84.5MB in the end (delta: -7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:40:29,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.03ms. Allocated memory is still 115.3MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:40:29,198 INFO L158 Benchmark]: Boogie Preprocessor took 35.99ms. Allocated memory is still 115.3MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:40:29,199 INFO L158 Benchmark]: RCFGBuilder took 573.65ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 63.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:40:29,200 INFO L158 Benchmark]: BuchiAutomizer took 6866.05ms. Allocated memory was 115.3MB in the beginning and 197.1MB in the end (delta: 81.8MB). Free memory was 63.0MB in the beginning and 98.2MB in the end (delta: -35.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-11-16 12:40:29,200 INFO L158 Benchmark]: Witness Printer took 63.22ms. Allocated memory is still 197.1MB. Free memory was 97.2MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:40:29,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.58ms. Allocated memory is still 115.3MB. Free memory was 77.4MB in the beginning and 84.5MB in the end (delta: -7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.03ms. Allocated memory is still 115.3MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.99ms. Allocated memory is still 115.3MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.65ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 63.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 6866.05ms. Allocated memory was 115.3MB in the beginning and 197.1MB in the end (delta: 81.8MB). Free memory was 63.0MB in the beginning and 98.2MB in the end (delta: -35.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Witness Printer took 63.22ms. Allocated memory is still 197.1MB. Free memory was 97.2MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 6.3s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 254 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 84 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 158]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L66] int methaneLevelCritical = 0; [L684] int pumpRunning = 0; [L65] int waterLevel = 1; [L685] int systemActive = 1; [L215] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L292] int retValue_acc ; [L293] int tmp ; [L297] FCALL select_helpers() [L298] FCALL select_features() [L299] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L299] RET, EXPR valid_product() [L299] tmp = valid_product() [L301] COND TRUE \read(tmp) [L303] FCALL setup() [L304] CALL runTest() [L283] CALL test() [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L158] COND TRUE 1 [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND FALSE !(\read(tmp___2)) [L194] tmp___1 = __VERIFIER_nondet_int() [L196] COND TRUE \read(tmp___1) [L203] CALL timeShift() [L692] COND FALSE !(\read(pumpRunning)) [L699] COND TRUE \read(systemActive) [L701] FCALL processEnvironment() [L707] CALL __utac_acc__Specification1_spec__1() [L819] int tmp ; [L820] int tmp___0 ; [L824] CALL, EXPR isMethaneLevelCritical() [L104] int retValue_acc ; [L107] retValue_acc = methaneLevelCritical [L108] return (retValue_acc); [L824] RET, EXPR isMethaneLevelCritical() [L824] tmp = isMethaneLevelCritical() [L826] COND FALSE !(\read(tmp)) [L707] RET __utac_acc__Specification1_spec__1() [L203] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 158]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L66] int methaneLevelCritical = 0; [L684] int pumpRunning = 0; [L65] int waterLevel = 1; [L685] int systemActive = 1; [L215] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L292] int retValue_acc ; [L293] int tmp ; [L297] FCALL select_helpers() [L298] FCALL select_features() [L299] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L299] RET, EXPR valid_product() [L299] tmp = valid_product() [L301] COND TRUE \read(tmp) [L303] FCALL setup() [L304] CALL runTest() [L283] CALL test() [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L158] COND TRUE 1 [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND FALSE !(\read(tmp___2)) [L194] tmp___1 = __VERIFIER_nondet_int() [L196] COND TRUE \read(tmp___1) [L203] CALL timeShift() [L692] COND FALSE !(\read(pumpRunning)) [L699] COND TRUE \read(systemActive) [L701] FCALL processEnvironment() [L707] CALL __utac_acc__Specification1_spec__1() [L819] int tmp ; [L820] int tmp___0 ; [L824] CALL, EXPR isMethaneLevelCritical() [L104] int retValue_acc ; [L107] retValue_acc = methaneLevelCritical [L108] return (retValue_acc); [L824] RET, EXPR isMethaneLevelCritical() [L824] tmp = isMethaneLevelCritical() [L826] COND FALSE !(\read(tmp)) [L707] RET __utac_acc__Specification1_spec__1() [L203] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 12:40:29,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c24c6c4-dd80-47d4-9df1-38c0a8407e97/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)