./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R --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 ebd5e4db60536079e2f1ed21b8808db42225a5df1dde0ff11f7a6872cf3ec06e --- 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-38b53e6 [2022-11-25 15:39:52,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:39:52,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:39:53,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:39:53,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:39:53,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:39:53,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:39:53,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:39:53,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:39:53,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:39:53,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:39:53,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:39:53,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:39:53,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:39:53,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:39:53,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:39:53,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:39:53,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:39:53,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:39:53,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:39:53,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:39:53,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:39:53,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:39:53,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:39:53,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:39:53,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:39:53,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:39:53,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:39:53,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:39:53,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:39:53,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:39:53,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:39:53,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:39:53,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:39:53,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:39:53,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:39:53,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:39:53,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:39:53,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:39:53,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:39:53,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:39:53,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 15:39:53,109 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:39:53,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:39:53,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:39:53,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:39:53,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:39:53,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:39:53,112 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:39:53,112 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:39:53,113 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:39:53,113 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:39:53,113 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:39:53,114 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:39:53,114 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:39:53,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:39:53,115 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:39:53,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:39:53,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:39:53,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:39:53,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:39:53,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:39:53,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:39:53,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:39:53,117 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:39:53,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:39:53,118 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:39:53,118 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:39:53,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:39:53,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:39:53,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:39:53,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:39:53,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:39:53,121 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:39:53,121 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_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebd5e4db60536079e2f1ed21b8808db42225a5df1dde0ff11f7a6872cf3ec06e [2022-11-25 15:39:53,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:39:53,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:39:53,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:39:53,511 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:39:53,512 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:39:53,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2022-11-25 15:39:56,663 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:39:56,943 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:39:56,943 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2022-11-25 15:39:56,955 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/data/8b0419b13/630ec394324f45ee80ec791cd3289184/FLAG53879fbed [2022-11-25 15:39:56,983 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/data/8b0419b13/630ec394324f45ee80ec791cd3289184 [2022-11-25 15:39:56,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:39:56,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:39:56,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:39:56,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:39:56,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:39:56,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:56" (1/1) ... [2022-11-25 15:39:56,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4714d11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:56, skipping insertion in model container [2022-11-25 15:39:56,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:56" (1/1) ... [2022-11-25 15:39:57,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:39:57,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:39:57,362 WARN L237 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_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c[11292,11305] [2022-11-25 15:39:57,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:39:57,418 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:39:57,505 WARN L237 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_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c[11292,11305] [2022-11-25 15:39:57,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:39:57,572 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:39:57,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57 WrapperNode [2022-11-25 15:39:57,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:39:57,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:39:57,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:39:57,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:39:57,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (1/1) ... [2022-11-25 15:39:57,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (1/1) ... [2022-11-25 15:39:57,651 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 43, calls inlined = 32, statements flattened = 222 [2022-11-25 15:39:57,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:39:57,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:39:57,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:39:57,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:39:57,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (1/1) ... [2022-11-25 15:39:57,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (1/1) ... [2022-11-25 15:39:57,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (1/1) ... [2022-11-25 15:39:57,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (1/1) ... [2022-11-25 15:39:57,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (1/1) ... [2022-11-25 15:39:57,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (1/1) ... [2022-11-25 15:39:57,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (1/1) ... [2022-11-25 15:39:57,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (1/1) ... [2022-11-25 15:39:57,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:39:57,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:39:57,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:39:57,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:39:57,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (1/1) ... [2022-11-25 15:39:57,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:39:57,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:39:57,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:39:57,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:39:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:39:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:39:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:39:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:39:57,900 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:39:57,905 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:39:58,243 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:39:58,251 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:39:58,251 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 15:39:58,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:58 BoogieIcfgContainer [2022-11-25 15:39:58,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:39:58,269 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:39:58,269 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:39:58,273 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:39:58,274 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:39:58,275 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:39:56" (1/3) ... [2022-11-25 15:39:58,276 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42c4bc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:39:58, skipping insertion in model container [2022-11-25 15:39:58,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:39:58,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:57" (2/3) ... [2022-11-25 15:39:58,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42c4bc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:39:58, skipping insertion in model container [2022-11-25 15:39:58,277 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:39:58,277 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:58" (3/3) ... [2022-11-25 15:39:58,292 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2022-11-25 15:39:58,358 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:39:58,358 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:39:58,358 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:39:58,358 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:39:58,359 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:39:58,359 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:39:58,359 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:39:58,359 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:39:58,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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) [2022-11-25 15:39:58,383 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-11-25 15:39:58,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:39:58,384 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:39:58,390 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:39:58,391 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:39:58,392 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:39:58,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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) [2022-11-25 15:39:58,398 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-11-25 15:39:58,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:39:58,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:39:58,400 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:39:58,400 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:39:58,407 INFO L748 eck$LassoCheckResult]: Stem: 65#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 33#L758true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 22#L751true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 7#L766true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 53#L853true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 39#L830true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 14#L550-2true [2022-11-25 15:39:58,408 INFO L750 eck$LassoCheckResult]: Loop: 14#L550-2true assume !false; 36#L551true assume test_~splverifierCounter~0#1 < 4; 52#L552true test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 19#L560true assume !(0 != test_~tmp~4#1); 35#L560-2true test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 49#L570true assume !(0 != test_~tmp___0~1#1); 61#L570-2true test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 3#L580true assume 0 != test_~tmp___2~0#1; 74#L586-2true assume { :begin_inline_timeShift } true; 8#L615true assume !(0 != ~pumpRunning~0); 11#L615-2true assume !(0 != ~systemActive~0); 42#L622-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#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; 69#L533true __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 32#L435true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 73#L435-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 30#L632true assume { :end_inline_timeShift } true; 14#L550-2true [2022-11-25 15:39:58,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:39:58,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-25 15:39:58,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:39:58,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271611953] [2022-11-25 15:39:58,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:58,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:39:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:58,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:39:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:58,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:39:58,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:39:58,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1686806396, now seen corresponding path program 1 times [2022-11-25 15:39:58,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:39:58,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908625199] [2022-11-25 15:39:58,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:39:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:58,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:39:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:58,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:39:58,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:39:58,587 INFO L85 PathProgramCache]: Analyzing trace with hash -331387320, now seen corresponding path program 1 times [2022-11-25 15:39:58,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:39:58,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349522553] [2022-11-25 15:39:58,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:58,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:39:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:39:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:39:58,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:39:58,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349522553] [2022-11-25 15:39:58,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349522553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:39:58,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:39:58,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 15:39:58,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366572411] [2022-11-25 15:39:58,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:39:58,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:39:59,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:39:59,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:39:59,010 INFO L87 Difference]: Start difference. First operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2022-11-25 15:39:59,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:39:59,075 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2022-11-25 15:39:59,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 88 transitions. [2022-11-25 15:39:59,080 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2022-11-25 15:39:59,085 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 62 states and 78 transitions. [2022-11-25 15:39:59,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2022-11-25 15:39:59,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2022-11-25 15:39:59,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 78 transitions. [2022-11-25 15:39:59,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:39:59,088 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-11-25 15:39:59,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 78 transitions. [2022-11-25 15:39:59,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-25 15:39:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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) [2022-11-25 15:39:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-11-25 15:39:59,127 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-11-25 15:39:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:39:59,133 INFO L428 stractBuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-11-25 15:39:59,133 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:39:59,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 78 transitions. [2022-11-25 15:39:59,135 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2022-11-25 15:39:59,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:39:59,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:39:59,136 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:39:59,137 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:39:59,137 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 221#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 204#L758 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 192#L751 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 170#L766 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 171#L853 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 209#L830 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 181#L550-2 [2022-11-25 15:39:59,137 INFO L750 eck$LassoCheckResult]: Loop: 181#L550-2 assume !false; 182#L551 assume test_~splverifierCounter~0#1 < 4; 206#L552 test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 189#L560 assume !(0 != test_~tmp~4#1); 191#L560-2 test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 205#L570 assume !(0 != test_~tmp___0~1#1); 219#L570-2 test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 165#L580 assume 0 != test_~tmp___2~0#1; 167#L586-2 assume { :begin_inline_timeShift } true; 172#L615 assume !(0 != ~pumpRunning~0); 173#L615-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 177#L639 assume { :end_inline_processEnvironment } true; 211#L622-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#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; 212#L533 __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 201#L435 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 202#L435-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 199#L632 assume { :end_inline_timeShift } true; 181#L550-2 [2022-11-25 15:39:59,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:39:59,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-25 15:39:59,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:39:59,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467253865] [2022-11-25 15:39:59,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:59,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:39:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:59,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:39:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:59,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:39:59,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:39:59,166 INFO L85 PathProgramCache]: Analyzing trace with hash -123311071, now seen corresponding path program 1 times [2022-11-25 15:39:59,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:39:59,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039324674] [2022-11-25 15:39:59,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:59,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:39:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:59,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:39:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:59,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:39:59,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:39:59,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1054992675, now seen corresponding path program 1 times [2022-11-25 15:39:59,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:39:59,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663441440] [2022-11-25 15:39:59,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:59,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:39:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:59,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:39:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:59,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:00,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:00,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:40:00 BoogieIcfgContainer [2022-11-25 15:40:00,709 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:40:00,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:40:00,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:40:00,710 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:40:00,711 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:58" (3/4) ... [2022-11-25 15:40:00,716 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 15:40:00,792 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:40:00,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:40:00,803 INFO L158 Benchmark]: Toolchain (without parser) took 3815.04ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 104.9MB in the beginning and 176.7MB in the end (delta: -71.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:40:00,804 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:40:00,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.25ms. Allocated memory is still 146.8MB. Free memory was 104.5MB in the beginning and 106.3MB in the end (delta: -1.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 15:40:00,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.15ms. Allocated memory is still 146.8MB. Free memory was 106.3MB in the beginning and 104.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:40:00,811 INFO L158 Benchmark]: Boogie Preprocessor took 24.31ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 102.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:40:00,812 INFO L158 Benchmark]: RCFGBuilder took 591.60ms. Allocated memory is still 146.8MB. Free memory was 102.5MB in the beginning and 87.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 15:40:00,814 INFO L158 Benchmark]: BuchiAutomizer took 2439.90ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 87.4MB in the beginning and 179.7MB in the end (delta: -92.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:40:00,814 INFO L158 Benchmark]: Witness Printer took 92.04ms. Allocated memory is still 216.0MB. Free memory was 179.7MB in the beginning and 176.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:40:00,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.25ms. Allocated memory is still 146.8MB. Free memory was 104.5MB in the beginning and 106.3MB in the end (delta: -1.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.15ms. Allocated memory is still 146.8MB. Free memory was 106.3MB in the beginning and 104.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.31ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 102.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.60ms. Allocated memory is still 146.8MB. Free memory was 102.5MB in the beginning and 87.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2439.90ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 87.4MB in the beginning and 179.7MB in the end (delta: -92.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 92.04ms. Allocated memory is still 216.0MB. Free memory was 179.7MB in the beginning and 176.7MB in the end (delta: 3.0MB). 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 62 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. 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, 254 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 83 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: 550]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L608] int pumpRunning = 0; [L609] int systemActive = 1; [L771] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L844] int retValue_acc ; [L845] int tmp ; [L849] FCALL select_helpers() [L850] FCALL select_features() [L851] CALL, EXPR valid_product() [L762] int retValue_acc ; [L765] retValue_acc = 1 [L766] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L851] RET, EXPR valid_product() [L851] tmp = valid_product() [L853] COND TRUE \read(tmp) [L855] FCALL setup() [L856] CALL runTest() [L838] CALL test() [L541] int splverifierCounter ; [L542] int tmp ; [L543] int tmp___0 ; [L544] int tmp___1 ; [L545] int tmp___2 ; [L548] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L550] COND TRUE 1 [L552] COND TRUE splverifierCounter < 4 [L558] tmp = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp)) [L568] tmp___0 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___0)) [L578] tmp___2 = __VERIFIER_nondet_int() [L580] COND TRUE \read(tmp___2) [L593] CALL timeShift() [L615] COND FALSE !(\read(pumpRunning)) [L622] COND TRUE \read(systemActive) [L624] FCALL processEnvironment() [L630] CALL __utac_acc__Specification4_spec__1() [L428] int tmp ; [L429] int tmp___0 ; [L433] CALL, EXPR getWaterLevel() [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L433] RET, EXPR getWaterLevel() [L433] tmp = getWaterLevel() [L435] COND FALSE !(tmp == 0) [L630] RET __utac_acc__Specification4_spec__1() [L593] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 550]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L608] int pumpRunning = 0; [L609] int systemActive = 1; [L771] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L844] int retValue_acc ; [L845] int tmp ; [L849] FCALL select_helpers() [L850] FCALL select_features() [L851] CALL, EXPR valid_product() [L762] int retValue_acc ; [L765] retValue_acc = 1 [L766] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L851] RET, EXPR valid_product() [L851] tmp = valid_product() [L853] COND TRUE \read(tmp) [L855] FCALL setup() [L856] CALL runTest() [L838] CALL test() [L541] int splverifierCounter ; [L542] int tmp ; [L543] int tmp___0 ; [L544] int tmp___1 ; [L545] int tmp___2 ; [L548] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L550] COND TRUE 1 [L552] COND TRUE splverifierCounter < 4 [L558] tmp = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp)) [L568] tmp___0 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___0)) [L578] tmp___2 = __VERIFIER_nondet_int() [L580] COND TRUE \read(tmp___2) [L593] CALL timeShift() [L615] COND FALSE !(\read(pumpRunning)) [L622] COND TRUE \read(systemActive) [L624] FCALL processEnvironment() [L630] CALL __utac_acc__Specification4_spec__1() [L428] int tmp ; [L429] int tmp___0 ; [L433] CALL, EXPR getWaterLevel() [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L433] RET, EXPR getWaterLevel() [L433] tmp = getWaterLevel() [L435] COND FALSE !(tmp == 0) [L630] RET __utac_acc__Specification4_spec__1() [L593] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 15:40:00,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b0caeb-6db3-4c5d-943d-abf5d68eb8a4/bin/uautomizer-ZsLfNo2U6R/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)