./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc --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 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 --- 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-5e519f3 [2022-11-02 20:23:22,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:23:22,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:23:22,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:23:22,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:23:22,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:23:22,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:23:22,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:23:22,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:23:22,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:23:22,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:23:22,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:23:22,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:23:22,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:23:22,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:23:22,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:23:22,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:23:22,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:23:22,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:23:22,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:23:22,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:23:22,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:23:22,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:23:22,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:23:22,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:23:22,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:23:22,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:23:22,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:23:23,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:23:23,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:23:23,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:23:23,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:23:23,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:23:23,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:23:23,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:23:23,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:23:23,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:23:23,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:23:23,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:23:23,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:23:23,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:23:23,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:23:23,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:23:23,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:23:23,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:23:23,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:23:23,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:23:23,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:23:23,054 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:23:23,054 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:23:23,054 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:23:23,054 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:23:23,055 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:23:23,055 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:23:23,056 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:23:23,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:23:23,056 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:23:23,056 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:23:23,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:23:23,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:23:23,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:23:23,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:23:23,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:23:23,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:23:23,058 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:23:23,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:23:23,060 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:23:23,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:23:23,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:23:23,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:23:23,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:23:23,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:23:23,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:23:23,062 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:23:23,063 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_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 [2022-11-02 20:23:23,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:23:23,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:23:23,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:23:23,379 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:23:23,380 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:23:23,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2022-11-02 20:23:23,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/data/51e886e13/c1e63e7a56e94e7e9aa8126f8369c37e/FLAGf286ef31b [2022-11-02 20:23:24,128 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:23:24,129 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2022-11-02 20:23:24,140 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/data/51e886e13/c1e63e7a56e94e7e9aa8126f8369c37e/FLAGf286ef31b [2022-11-02 20:23:24,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/data/51e886e13/c1e63e7a56e94e7e9aa8126f8369c37e [2022-11-02 20:23:24,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:23:24,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:23:24,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:23:24,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:23:24,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:23:24,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:24,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e45a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24, skipping insertion in model container [2022-11-02 20:23:24,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:24,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:23:24,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:23:24,700 WARN L230 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_354d7555-dede-426c-8bb8-e7d95328fb7a/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2022-11-02 20:23:24,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:23:24,835 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:23:24,874 WARN L230 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_354d7555-dede-426c-8bb8-e7d95328fb7a/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2022-11-02 20:23:24,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:23:24,980 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:23:24,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24 WrapperNode [2022-11-02 20:23:24,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:23:24,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:23:24,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:23:24,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:23:24,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:25,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:25,074 INFO L138 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 52, calls inlined = 77, statements flattened = 557 [2022-11-02 20:23:25,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:23:25,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:23:25,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:23:25,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:23:25,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:25,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:25,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:25,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:25,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:25,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:25,125 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:25,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:25,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:23:25,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:23:25,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:23:25,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:23:25,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (1/1) ... [2022-11-02 20:23:25,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:23:25,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:23:25,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:23:25,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:23:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:23:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:23:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:23:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:23:25,300 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:23:25,302 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:23:25,668 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:23:25,698 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:23:25,699 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:23:25,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:23:25 BoogieIcfgContainer [2022-11-02 20:23:25,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:23:25,702 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:23:25,702 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:23:25,718 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:23:25,718 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:23:25,719 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:23:24" (1/3) ... [2022-11-02 20:23:25,719 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46917c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:23:25, skipping insertion in model container [2022-11-02 20:23:25,720 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:23:25,720 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:24" (2/3) ... [2022-11-02 20:23:25,720 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46917c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:23:25, skipping insertion in model container [2022-11-02 20:23:25,720 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:23:25,720 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:23:25" (3/3) ... [2022-11-02 20:23:25,722 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2022-11-02 20:23:25,806 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:23:25,806 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:23:25,806 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:23:25,806 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:23:25,806 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:23:25,806 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:23:25,806 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:23:25,807 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:23:25,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 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) [2022-11-02 20:23:25,859 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-11-02 20:23:25,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:23:25,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:23:25,869 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:23:25,869 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:23:25,870 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:23:25,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 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) [2022-11-02 20:23:25,886 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-11-02 20:23:25,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:23:25,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:23:25,887 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:23:25,888 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:23:25,905 INFO L748 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 43#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#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; 41#L613true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 16#L606true 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; 72#L621true main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 83#L908true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 64#L885true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 17#L533-2true [2022-11-02 20:23:25,906 INFO L750 eck$LassoCheckResult]: Loop: 17#L533-2true assume !false; 106#L534true assume test_~splverifierCounter~0#1 < 4; 105#L535true test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 52#L543true assume !(0 != test_~tmp~3#1); 144#L543-2true test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 91#L553true assume !(0 != test_~tmp___0~0#1); 86#L553-2true test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 78#L563true assume 0 != test_~tmp___2~0#1; 96#L569-2true assume { :begin_inline_timeShift } true; 119#L638true assume !(0 != ~pumpRunning~0); 8#L638-2true assume !(0 != ~systemActive~0); 130#L645-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_~tmp~9#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~9#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 143#L132true __utac_acc__Specification4_spec__1_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret51#1;havoc __utac_acc__Specification4_spec__1_#t~ret51#1; 76#L930true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 141#L930-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 33#L655true assume { :end_inline_timeShift } true; 17#L533-2true [2022-11-02 20:23:25,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:23:25,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-02 20:23:25,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:23:25,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792139867] [2022-11-02 20:23:25,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:23:25,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:23:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:26,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:23:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:26,122 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:23:26,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:23:26,126 INFO L85 PathProgramCache]: Analyzing trace with hash 679870084, now seen corresponding path program 1 times [2022-11-02 20:23:26,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:23:26,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160616159] [2022-11-02 20:23:26,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:23:26,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:23:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:26,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:23:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:26,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:23:26,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:23:26,164 INFO L85 PathProgramCache]: Analyzing trace with hash 2035289160, now seen corresponding path program 1 times [2022-11-02 20:23:26,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:23:26,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877223316] [2022-11-02 20:23:26,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:23:26,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:23:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:23:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:23:26,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:23:26,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877223316] [2022-11-02 20:23:26,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877223316] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:23:26,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:23:26,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:23:26,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304629122] [2022-11-02 20:23:26,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:23:26,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:23:26,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:23:26,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:23:26,702 INFO L87 Difference]: Start difference. First operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 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) [2022-11-02 20:23:26,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:23:26,804 INFO L93 Difference]: Finished difference Result 147 states and 187 transitions. [2022-11-02 20:23:26,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 187 transitions. [2022-11-02 20:23:26,819 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2022-11-02 20:23:26,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 137 states and 177 transitions. [2022-11-02 20:23:26,828 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2022-11-02 20:23:26,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2022-11-02 20:23:26,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 177 transitions. [2022-11-02 20:23:26,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:23:26,835 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-11-02 20:23:26,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 177 transitions. [2022-11-02 20:23:26,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-02 20:23:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 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) [2022-11-02 20:23:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 177 transitions. [2022-11-02 20:23:26,883 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-11-02 20:23:26,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:23:26,889 INFO L428 stractBuchiCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-11-02 20:23:26,889 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:23:26,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 177 transitions. [2022-11-02 20:23:26,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2022-11-02 20:23:26,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:23:26,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:23:26,895 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:23:26,895 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, 1] [2022-11-02 20:23:26,895 INFO L748 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#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; 379#L613 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 336#L606 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; 337#L621 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 419#L908 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 410#L885 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 344#L533-2 [2022-11-02 20:23:26,896 INFO L750 eck$LassoCheckResult]: Loop: 344#L533-2 assume !false; 345#L534 assume test_~splverifierCounter~0#1 < 4; 438#L535 test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 396#L543 assume !(0 != test_~tmp~3#1); 398#L543-2 test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 430#L553 assume !(0 != test_~tmp___0~0#1); 318#L553-2 test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 424#L563 assume 0 != test_~tmp___2~0#1; 370#L569-2 assume { :begin_inline_timeShift } true; 433#L638 assume !(0 != ~pumpRunning~0); 324#L638-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 325#L696 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 319#L670-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 320#L662-3 assume { :end_inline_processEnvironment__wrappee__base } true; 395#L670-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 335#L696-1 assume { :end_inline_processEnvironment } true; 444#L645-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_~tmp~9#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~9#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 449#L132 __utac_acc__Specification4_spec__1_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret51#1;havoc __utac_acc__Specification4_spec__1_#t~ret51#1; 421#L930 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 422#L930-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 366#L655 assume { :end_inline_timeShift } true; 344#L533-2 [2022-11-02 20:23:26,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:23:26,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-02 20:23:26,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:23:26,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428599733] [2022-11-02 20:23:26,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:23:26,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:23:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:26,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:23:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:26,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:23:26,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:23:26,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1867519298, now seen corresponding path program 1 times [2022-11-02 20:23:26,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:23:26,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161407174] [2022-11-02 20:23:26,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:23:26,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:23:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:26,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:23:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:26,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:23:26,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:23:26,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1415850118, now seen corresponding path program 1 times [2022-11-02 20:23:26,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:23:26,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507827859] [2022-11-02 20:23:26,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:23:26,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:23:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:27,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:23:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:27,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:23:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:30,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:23:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:23:30,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:23:30 BoogieIcfgContainer [2022-11-02 20:23:30,973 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:23:30,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:23:30,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:23:30,974 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:23:30,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:23:25" (3/4) ... [2022-11-02 20:23:30,977 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:23:31,029 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:23:31,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:23:31,031 INFO L158 Benchmark]: Toolchain (without parser) took 6653.02ms. Allocated memory was 96.5MB in the beginning and 157.3MB in the end (delta: 60.8MB). Free memory was 57.4MB in the beginning and 80.4MB in the end (delta: -23.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-02 20:23:31,031 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:23:31,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.62ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 65.3MB in the end (delta: -8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:23:31,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.07ms. Allocated memory is still 96.5MB. Free memory was 65.3MB in the beginning and 62.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:23:31,033 INFO L158 Benchmark]: Boogie Preprocessor took 54.83ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 59.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:23:31,034 INFO L158 Benchmark]: RCFGBuilder took 569.92ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 71.8MB in the end (delta: -12.3MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-11-02 20:23:31,035 INFO L158 Benchmark]: BuchiAutomizer took 5271.45ms. Allocated memory was 96.5MB in the beginning and 157.3MB in the end (delta: 60.8MB). Free memory was 71.8MB in the beginning and 83.5MB in the end (delta: -11.7MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2022-11-02 20:23:31,035 INFO L158 Benchmark]: Witness Printer took 56.40ms. Allocated memory is still 157.3MB. Free memory was 83.5MB in the beginning and 80.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:23:31,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.62ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 65.3MB in the end (delta: -8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.07ms. Allocated memory is still 96.5MB. Free memory was 65.3MB in the beginning and 62.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.83ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 59.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 569.92ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 71.8MB in the end (delta: -12.3MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5271.45ms. Allocated memory was 96.5MB in the beginning and 157.3MB in the end (delta: 60.8MB). Free memory was 71.8MB in the beginning and 83.5MB in the end (delta: -11.7MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Witness Printer took 56.40ms. Allocated memory is still 157.3MB. Free memory was 83.5MB in the beginning and 80.4MB 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 137 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 551 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 186 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, 182 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: 533]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L324] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L630] int pumpRunning = 0; [L631] int systemActive = 1; [L826] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L899] int retValue_acc ; [L900] int tmp ; [L904] FCALL select_helpers() [L905] FCALL select_features() [L906] CALL, EXPR valid_product() [L617] int retValue_acc ; [L620] retValue_acc = 1 [L621] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L906] RET, EXPR valid_product() [L906] tmp = valid_product() [L908] COND TRUE \read(tmp) [L910] FCALL setup() [L911] CALL runTest() [L893] CALL test() [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L533] COND TRUE 1 [L535] COND TRUE splverifierCounter < 4 [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND TRUE \read(tmp___2) [L576] CALL timeShift() [L638] COND FALSE !(\read(pumpRunning)) [L645] COND TRUE \read(systemActive) [L647] CALL processEnvironment() [L693] int tmp ; [L696] COND FALSE !(\read(pumpRunning)) [L711] CALL processEnvironment__wrappee__methaneQuery() [L667] int tmp ; [L670] COND FALSE !(\read(pumpRunning)) [L685] FCALL processEnvironment__wrappee__base() [L711] RET processEnvironment__wrappee__methaneQuery() [L647] RET processEnvironment() [L653] CALL __utac_acc__Specification4_spec__1() [L923] int tmp ; [L924] int tmp___0 ; [L928] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L928] RET, EXPR getWaterLevel() [L928] tmp = getWaterLevel() [L930] COND FALSE !(tmp == 0) [L653] RET __utac_acc__Specification4_spec__1() [L576] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 533]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L324] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L630] int pumpRunning = 0; [L631] int systemActive = 1; [L826] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L899] int retValue_acc ; [L900] int tmp ; [L904] FCALL select_helpers() [L905] FCALL select_features() [L906] CALL, EXPR valid_product() [L617] int retValue_acc ; [L620] retValue_acc = 1 [L621] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L906] RET, EXPR valid_product() [L906] tmp = valid_product() [L908] COND TRUE \read(tmp) [L910] FCALL setup() [L911] CALL runTest() [L893] CALL test() [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L533] COND TRUE 1 [L535] COND TRUE splverifierCounter < 4 [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND TRUE \read(tmp___2) [L576] CALL timeShift() [L638] COND FALSE !(\read(pumpRunning)) [L645] COND TRUE \read(systemActive) [L647] CALL processEnvironment() [L693] int tmp ; [L696] COND FALSE !(\read(pumpRunning)) [L711] CALL processEnvironment__wrappee__methaneQuery() [L667] int tmp ; [L670] COND FALSE !(\read(pumpRunning)) [L685] FCALL processEnvironment__wrappee__base() [L711] RET processEnvironment__wrappee__methaneQuery() [L647] RET processEnvironment() [L653] CALL __utac_acc__Specification4_spec__1() [L923] int tmp ; [L924] int tmp___0 ; [L928] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L928] RET, EXPR getWaterLevel() [L928] tmp = getWaterLevel() [L930] COND FALSE !(tmp == 0) [L653] RET __utac_acc__Specification4_spec__1() [L576] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:23:31,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d7555-dede-426c-8bb8-e7d95328fb7a/bin/uautomizer-Dbtcem3rbc/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)