./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product26.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_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/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_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/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_62c9074a-12e0-4b5e-a74b-085c8fc41f59/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 2d0674916b73dbf2024f3c8466ce9ed88de71a9608fd9c94d283a7055c71f71f --- 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 10:56:01,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:56:01,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:56:01,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:56:01,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:56:01,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:56:01,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:56:01,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:56:01,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:56:01,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:56:01,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:56:01,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:56:01,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:56:01,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:56:01,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:56:01,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:56:01,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:56:01,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:56:01,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:56:01,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:56:01,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:56:01,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:56:01,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:56:01,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:56:01,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:56:01,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:56:01,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:56:01,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:56:01,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:56:01,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:56:01,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:56:01,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:56:01,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:56:01,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:56:01,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:56:01,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:56:01,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:56:01,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:56:01,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:56:01,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:56:01,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:56:01,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 10:56:01,614 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:56:01,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:56:01,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:56:01,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:56:01,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:56:01,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:56:01,617 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:56:01,617 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 10:56:01,617 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 10:56:01,618 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 10:56:01,618 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 10:56:01,618 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 10:56:01,618 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 10:56:01,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:56:01,619 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:56:01,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 10:56:01,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:56:01,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:56:01,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:56:01,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 10:56:01,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 10:56:01,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 10:56:01,620 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:56:01,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:56:01,621 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 10:56:01,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:56:01,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 10:56:01,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:56:01,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:56:01,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:56:01,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:56:01,623 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 10:56:01,623 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_62c9074a-12e0-4b5e-a74b-085c8fc41f59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0674916b73dbf2024f3c8466ce9ed88de71a9608fd9c94d283a7055c71f71f [2022-11-16 10:56:01,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:56:01,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:56:01,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:56:01,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:56:01,937 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:56:01,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2022-11-16 10:56:02,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/data/f3c731e97/511372a108094edf8c34fce832c8adc9/FLAGfbd11f556 [2022-11-16 10:56:02,576 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:56:02,576 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2022-11-16 10:56:02,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/data/f3c731e97/511372a108094edf8c34fce832c8adc9/FLAGfbd11f556 [2022-11-16 10:56:02,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/data/f3c731e97/511372a108094edf8c34fce832c8adc9 [2022-11-16 10:56:02,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:56:02,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:56:02,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:56:02,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:56:02,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:56:02,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:56:02" (1/1) ... [2022-11-16 10:56:02,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3467afc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:02, skipping insertion in model container [2022-11-16 10:56:02,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:56:02" (1/1) ... [2022-11-16 10:56:02,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:56:02,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:56:03,233 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_62c9074a-12e0-4b5e-a74b-085c8fc41f59/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c[1605,1618] [2022-11-16 10:56:03,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:56:03,407 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:56:03,426 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_62c9074a-12e0-4b5e-a74b-085c8fc41f59/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c[1605,1618] [2022-11-16 10:56:03,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:56:03,511 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:56:03,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03 WrapperNode [2022-11-16 10:56:03,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:56:03,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:56:03,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:56:03,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:56:03,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,563 INFO L138 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 49, calls inlined = 48, statements flattened = 380 [2022-11-16 10:56:03,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:56:03,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:56:03,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:56:03,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:56:03,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,589 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:56:03,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:56:03,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:56:03,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:56:03,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:56:03,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:56:03,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:56:03,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 10:56:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:56:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 10:56:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:56:03,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:56:03,760 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:56:03,762 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:56:04,091 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:56:04,105 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:56:04,105 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 10:56:04,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:56:04 BoogieIcfgContainer [2022-11-16 10:56:04,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:56:04,108 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 10:56:04,110 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 10:56:04,117 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 10:56:04,118 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:56:04,118 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 10:56:02" (1/3) ... [2022-11-16 10:56:04,119 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@622fde34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:56:04, skipping insertion in model container [2022-11-16 10:56:04,119 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:56:04,120 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03" (2/3) ... [2022-11-16 10:56:04,125 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@622fde34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:56:04, skipping insertion in model container [2022-11-16 10:56:04,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:56:04,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:56:04" (3/3) ... [2022-11-16 10:56:04,127 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2022-11-16 10:56:04,236 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 10:56:04,237 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 10:56:04,237 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 10:56:04,237 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 10:56:04,237 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 10:56:04,237 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 10:56:04,237 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 10:56:04,238 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 10:56:04,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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 10:56:04,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-11-16 10:56:04,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:56:04,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:56:04,285 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:04,286 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 10:56:04,286 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 10:56:04,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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 10:56:04,293 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-11-16 10:56:04,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:56:04,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:56:04,298 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:04,298 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 10:56:04,303 INFO L748 eck$LassoCheckResult]: Stem: 93#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 6#L459true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 51#L452true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 103#L467true main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 97#L920true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 8#L897true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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; 82#L74-2true [2022-11-16 10:56:04,304 INFO L750 eck$LassoCheckResult]: Loop: 82#L74-2true assume !false; 40#L75true assume test_~splverifierCounter~0#1 < 4; 43#L76true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 91#L84true assume !(0 != test_~tmp~0#1); 17#L84-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 92#L94true assume !(0 != test_~tmp___0~0#1); 81#L94-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 13#L104true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 34#L112true assume 0 != test_~tmp___1~0#1; 102#L112-2true assume { :begin_inline_timeShift } true; 89#L147true assume !(0 != ~pumpRunning~0); 62#L147-2true assume !(0 != ~systemActive~0); 88#L154-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 11#L394true __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; 12#L416true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 10#L416-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 63#L164true assume { :end_inline_timeShift } true; 82#L74-2true [2022-11-16 10:56:04,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:04,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 10:56:04,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:04,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377982806] [2022-11-16 10:56:04,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:04,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:04,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:56:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:04,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:56:04,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:04,563 INFO L85 PathProgramCache]: Analyzing trace with hash -86162590, now seen corresponding path program 1 times [2022-11-16 10:56:04,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:04,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187072872] [2022-11-16 10:56:04,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:04,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:04,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:56:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:04,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:56:04,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:04,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1017844194, now seen corresponding path program 1 times [2022-11-16 10:56:04,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:04,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204733533] [2022-11-16 10:56:04,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:04,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:04,855 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 10:56:04,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:04,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204733533] [2022-11-16 10:56:04,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204733533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:04,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:04,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:56:04,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132785742] [2022-11-16 10:56:04,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:04,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:05,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:56:05,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:56:05,029 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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 10:56:05,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:05,095 INFO L93 Difference]: Finished difference Result 100 states and 125 transitions. [2022-11-16 10:56:05,096 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 125 transitions. [2022-11-16 10:56:05,100 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-11-16 10:56:05,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 90 states and 115 transitions. [2022-11-16 10:56:05,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 90 [2022-11-16 10:56:05,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 90 [2022-11-16 10:56:05,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 115 transitions. [2022-11-16 10:56:05,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:56:05,107 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-11-16 10:56:05,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 115 transitions. [2022-11-16 10:56:05,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-16 10:56:05,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 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 10:56:05,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2022-11-16 10:56:05,136 INFO L240 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-11-16 10:56:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:56:05,140 INFO L428 stractBuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-11-16 10:56:05,140 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 10:56:05,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2022-11-16 10:56:05,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-11-16 10:56:05,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:56:05,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:56:05,147 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:05,147 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:05,147 INFO L748 eck$LassoCheckResult]: Stem: 306#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 294#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 236#L459 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 237#L452 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 238#L467 main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 308#L920 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 239#L897 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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; 240#L74-2 [2022-11-16 10:56:05,148 INFO L750 eck$LassoCheckResult]: Loop: 240#L74-2 assume !false; 293#L75 assume test_~splverifierCounter~0#1 < 4; 310#L76 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 305#L84 assume !(0 != test_~tmp~0#1); 279#L84-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 280#L94 assume !(0 != test_~tmp___0~0#1); 255#L94-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 263#L104 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 264#L112 assume 0 != test_~tmp___1~0#1; 296#L112-2 assume { :begin_inline_timeShift } true; 302#L147 assume !(0 != ~pumpRunning~0); 261#L147-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 262#L179 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 281#L171-1 assume { :end_inline_processEnvironment__wrappee__base } true; 245#L179-1 assume { :end_inline_processEnvironment } true; 246#L154-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 252#L394 __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; 253#L416 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 250#L416-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 251#L164 assume { :end_inline_timeShift } true; 240#L74-2 [2022-11-16 10:56:05,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:05,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 10:56:05,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:05,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352163943] [2022-11-16 10:56:05,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:05,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:05,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:56:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:05,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:56:05,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:05,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1840109465, now seen corresponding path program 1 times [2022-11-16 10:56:05,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:05,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688641910] [2022-11-16 10:56:05,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:05,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:05,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:56:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:05,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:56:05,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:05,237 INFO L85 PathProgramCache]: Analyzing trace with hash 806859819, now seen corresponding path program 1 times [2022-11-16 10:56:05,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:05,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152408586] [2022-11-16 10:56:05,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:05,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:05,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:56:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:05,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:56:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:09,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:56:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:56:09,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 10:56:09 BoogieIcfgContainer [2022-11-16 10:56:09,513 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 10:56:09,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:56:09,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:56:09,514 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:56:09,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:56:04" (3/4) ... [2022-11-16 10:56:09,520 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 10:56:09,592 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 10:56:09,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:56:09,593 INFO L158 Benchmark]: Toolchain (without parser) took 6677.45ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 82.6MB in the beginning and 102.5MB in the end (delta: -20.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-11-16 10:56:09,594 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:56:09,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.70ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 87.1MB in the end (delta: -4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 10:56:09,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.73ms. Allocated memory is still 119.5MB. Free memory was 87.1MB in the beginning and 84.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:56:09,595 INFO L158 Benchmark]: Boogie Preprocessor took 29.49ms. Allocated memory is still 119.5MB. Free memory was 84.3MB in the beginning and 82.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:56:09,596 INFO L158 Benchmark]: RCFGBuilder took 513.51ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 62.6MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 10:56:09,597 INFO L158 Benchmark]: BuchiAutomizer took 5405.11ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 62.6MB in the beginning and 105.6MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:56:09,597 INFO L158 Benchmark]: Witness Printer took 78.25ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 102.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:56:09,601 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 119.5MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.70ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 87.1MB in the end (delta: -4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.73ms. Allocated memory is still 119.5MB. Free memory was 87.1MB in the beginning and 84.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.49ms. Allocated memory is still 119.5MB. Free memory was 84.3MB in the beginning and 82.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.51ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 62.6MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 5405.11ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 62.6MB in the beginning and 105.6MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 78.25ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 102.5MB in the end (delta: 3.1MB). 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 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. 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, 362 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 362 mSDsluCounter, 124 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, 120 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: 74]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L641] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L320] int methaneLevelCritical = 0; [L139] int pumpRunning = 0; [L319] int waterLevel = 1; [L140] int systemActive = 1; [L838] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L911] int retValue_acc ; [L912] int tmp ; [L916] FCALL select_helpers() [L917] FCALL select_features() [L918] CALL, EXPR valid_product() [L463] int retValue_acc ; [L466] retValue_acc = 1 [L467] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L918] RET, EXPR valid_product() [L918] tmp = valid_product() [L920] COND TRUE \read(tmp) [L922] FCALL setup() [L923] CALL runTest() [L905] CALL test() [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L74] COND TRUE 1 [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp)) [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___0)) [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp___2)) [L110] tmp___1 = __VERIFIER_nondet_int() [L112] COND TRUE \read(tmp___1) [L119] CALL timeShift() [L147] COND FALSE !(\read(pumpRunning)) [L154] COND TRUE \read(systemActive) [L156] CALL processEnvironment() [L176] int tmp ; [L179] COND FALSE !(\read(pumpRunning)) [L194] FCALL processEnvironment__wrappee__base() [L156] RET processEnvironment() [L162] CALL __utac_acc__Specification4_spec__1() [L409] int tmp ; [L410] int tmp___0 ; [L414] CALL, EXPR getWaterLevel() [L390] int retValue_acc ; [L393] retValue_acc = waterLevel [L394] return (retValue_acc); [L414] RET, EXPR getWaterLevel() [L414] tmp = getWaterLevel() [L416] COND FALSE !(tmp == 0) [L162] RET __utac_acc__Specification4_spec__1() [L119] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 74]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L641] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L320] int methaneLevelCritical = 0; [L139] int pumpRunning = 0; [L319] int waterLevel = 1; [L140] int systemActive = 1; [L838] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L911] int retValue_acc ; [L912] int tmp ; [L916] FCALL select_helpers() [L917] FCALL select_features() [L918] CALL, EXPR valid_product() [L463] int retValue_acc ; [L466] retValue_acc = 1 [L467] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L918] RET, EXPR valid_product() [L918] tmp = valid_product() [L920] COND TRUE \read(tmp) [L922] FCALL setup() [L923] CALL runTest() [L905] CALL test() [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L74] COND TRUE 1 [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp)) [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___0)) [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp___2)) [L110] tmp___1 = __VERIFIER_nondet_int() [L112] COND TRUE \read(tmp___1) [L119] CALL timeShift() [L147] COND FALSE !(\read(pumpRunning)) [L154] COND TRUE \read(systemActive) [L156] CALL processEnvironment() [L176] int tmp ; [L179] COND FALSE !(\read(pumpRunning)) [L194] FCALL processEnvironment__wrappee__base() [L156] RET processEnvironment() [L162] CALL __utac_acc__Specification4_spec__1() [L409] int tmp ; [L410] int tmp___0 ; [L414] CALL, EXPR getWaterLevel() [L390] int retValue_acc ; [L393] retValue_acc = waterLevel [L394] return (retValue_acc); [L414] RET, EXPR getWaterLevel() [L414] tmp = getWaterLevel() [L416] COND FALSE !(tmp == 0) [L162] RET __utac_acc__Specification4_spec__1() [L119] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 10:56:09,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c9074a-12e0-4b5e-a74b-085c8fc41f59/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)