./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro --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 c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 --- 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-8393723 [2022-11-18 20:59:35,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:59:35,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:59:35,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:59:35,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:59:35,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:59:35,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:59:35,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:59:35,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:59:35,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:59:35,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:59:35,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:59:35,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:59:35,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:59:35,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:59:35,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:59:35,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:59:35,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:59:35,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:59:35,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:59:35,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:59:35,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:59:35,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:59:35,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:59:35,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:59:35,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:59:35,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:59:35,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:59:35,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:59:35,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:59:35,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:59:35,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:59:35,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:59:35,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:59:35,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:59:35,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:59:35,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:59:35,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:59:35,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:59:35,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:59:35,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:59:35,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:59:35,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:59:35,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:59:35,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:59:35,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:59:35,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:59:35,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:59:35,918 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:59:35,918 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:59:35,918 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:59:35,918 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:59:35,919 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:59:35,919 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:59:35,919 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:59:35,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:59:35,920 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:59:35,920 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:59:35,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:59:35,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:59:35,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:59:35,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:59:35,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:59:35,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:59:35,922 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:59:35,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:59:35,922 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:59:35,922 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:59:35,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:59:35,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:59:35,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:59:35,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:59:35,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:59:35,925 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:59:35,925 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 [2022-11-18 20:59:36,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:59:36,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:59:36,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:59:36,238 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:59:36,239 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:59:36,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2022-11-18 20:59:36,307 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/data/4940259c3/4b9e28219971498884538d0592e16e24/FLAG2acbcd137 [2022-11-18 20:59:36,825 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:59:36,826 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2022-11-18 20:59:36,838 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/data/4940259c3/4b9e28219971498884538d0592e16e24/FLAG2acbcd137 [2022-11-18 20:59:37,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/data/4940259c3/4b9e28219971498884538d0592e16e24 [2022-11-18 20:59:37,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:59:37,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:59:37,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:59:37,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:59:37,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:59:37,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b426172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37, skipping insertion in model container [2022-11-18 20:59:37,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:59:37,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:59:37,423 WARN L234 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_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2022-11-18 20:59:37,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:59:37,574 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:59:37,603 WARN L234 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_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2022-11-18 20:59:37,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:59:37,715 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:59:37,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37 WrapperNode [2022-11-18 20:59:37,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:59:37,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:59:37,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:59:37,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:59:37,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,814 INFO L138 Inliner]: procedures = 59, calls = 107, calls flagged for inlining = 60, calls inlined = 176, statements flattened = 1207 [2022-11-18 20:59:37,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:59:37,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:59:37,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:59:37,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:59:37,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,858 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:59:37,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:59:37,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:59:37,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:59:37,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (1/1) ... [2022-11-18 20:59:37,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:37,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:37,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:37,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:59:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:59:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:59:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:59:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:59:38,043 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:59:38,047 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:59:38,932 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:59:38,942 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:59:38,942 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:59:38,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:38 BoogieIcfgContainer [2022-11-18 20:59:38,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:59:38,947 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:59:38,947 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:59:38,951 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:59:38,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:59:38,953 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:59:37" (1/3) ... [2022-11-18 20:59:38,954 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77e9b055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:59:38, skipping insertion in model container [2022-11-18 20:59:38,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:59:38,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:37" (2/3) ... [2022-11-18 20:59:38,955 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77e9b055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:59:38, skipping insertion in model container [2022-11-18 20:59:38,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:59:38,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:38" (3/3) ... [2022-11-18 20:59:38,956 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2022-11-18 20:59:39,017 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:59:39,017 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:59:39,018 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:59:39,018 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:59:39,018 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:59:39,018 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:59:39,018 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:59:39,019 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:59:39,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 323 states, 322 states have (on average 1.3509316770186335) internal successors, (435), 322 states have internal predecessors, (435), 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) [2022-11-18 20:59:39,091 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 213 [2022-11-18 20:59:39,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:59:39,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:59:39,102 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:59:39,102 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:59:39,103 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:59:39,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 323 states, 322 states have (on average 1.3509316770186335) internal successors, (435), 322 states have internal predecessors, (435), 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) [2022-11-18 20:59:39,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 213 [2022-11-18 20:59:39,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:59:39,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:59:39,126 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:59:39,126 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:59:39,134 INFO L748 eck$LassoCheckResult]: Stem: 306#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;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 225#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 154#L84true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 263#L77true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 143#L92true main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 231#L578true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 324#L554true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~11#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~11#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 155#L977-2true [2022-11-18 20:59:39,135 INFO L750 eck$LassoCheckResult]: Loop: 155#L977-2true assume !false; 12#L978true assume test_~splverifierCounter~0#1 < 4; 150#L979true test_~tmp~11#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 107#L987true assume !(0 != test_~tmp~11#1); 268#L987-2true test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 269#L997true assume !(0 != test_~tmp___0~3#1); 174#L997-2true test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 88#L1007true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 152#L859true assume { :end_inline_startSystem } true; 210#L1015-2true assume { :begin_inline_timeShift } true; 41#L607true assume !(0 != ~pumpRunning~0); 68#L607-2true assume !(0 != ~systemActive~0); 96#L614-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 317#L907-5true __utac_acc__Specification1_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret5#1;havoc __utac_acc__Specification1_spec__1_#t~ret5#1; 165#L107true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 158#L107-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 229#L624true assume { :end_inline_timeShift } true; 155#L977-2true [2022-11-18 20:59:39,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:39,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-18 20:59:39,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:39,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078446618] [2022-11-18 20:59:39,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:39,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:39,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:39,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:39,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:39,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1296492159, now seen corresponding path program 1 times [2022-11-18 20:59:39,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:39,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705516664] [2022-11-18 20:59:39,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:39,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:39,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:39,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:39,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705516664] [2022-11-18 20:59:39,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705516664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:39,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:39,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:59:39,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383199438] [2022-11-18 20:59:39,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:39,434 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:59:39,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:39,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:39,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:39,486 INFO L87 Difference]: Start difference. First operand has 323 states, 322 states have (on average 1.3509316770186335) internal successors, (435), 322 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-18 20:59:39,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:59:39,591 INFO L93 Difference]: Finished difference Result 631 states and 837 transitions. [2022-11-18 20:59:39,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 631 states and 837 transitions. [2022-11-18 20:59:39,598 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 416 [2022-11-18 20:59:39,606 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 631 states to 611 states and 816 transitions. [2022-11-18 20:59:39,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 611 [2022-11-18 20:59:39,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 611 [2022-11-18 20:59:39,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 611 states and 816 transitions. [2022-11-18 20:59:39,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:39,613 INFO L218 hiAutomatonCegarLoop]: Abstraction has 611 states and 816 transitions. [2022-11-18 20:59:39,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states and 816 transitions. [2022-11-18 20:59:39,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 608. [2022-11-18 20:59:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 608 states have (on average 1.3355263157894737) internal successors, (812), 607 states have internal predecessors, (812), 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) [2022-11-18 20:59:39,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 812 transitions. [2022-11-18 20:59:39,688 INFO L240 hiAutomatonCegarLoop]: Abstraction has 608 states and 812 transitions. [2022-11-18 20:59:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:39,693 INFO L428 stractBuchiCegarLoop]: Abstraction has 608 states and 812 transitions. [2022-11-18 20:59:39,693 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:59:39,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 608 states and 812 transitions. [2022-11-18 20:59:39,698 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 413 [2022-11-18 20:59:39,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:59:39,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:59:39,699 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:59:39,699 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, 1, 1] [2022-11-18 20:59:39,699 INFO L748 eck$LassoCheckResult]: Stem: 1293#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;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1260#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1202#L84 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1203#L77 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1190#L92 main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 1191#L578 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1265#L554 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~11#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~11#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1296#L977-2 [2022-11-18 20:59:39,699 INFO L750 eck$LassoCheckResult]: Loop: 1296#L977-2 assume !false; 1462#L978 assume test_~splverifierCounter~0#1 < 4; 1463#L979 test_~tmp~11#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1517#L987 assume !(0 != test_~tmp~11#1); 1515#L987-2 test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 1513#L997 assume !(0 != test_~tmp___0~3#1); 1510#L997-2 test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 1508#L1007 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet54#1;havoc test_#t~nondet54#1; 1506#L1015 assume !(0 != test_~tmp___1~0#1); 1200#L1015-2 assume { :begin_inline_timeShift } true; 1502#L607 assume !(0 != ~pumpRunning~0); 1500#L607-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1498#L691 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret35#1, isMethaneAlarm_~retValue_acc~6#1;havoc isMethaneAlarm_~retValue_acc~6#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 1499#L907 isMethaneAlarm_#t~ret35#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~6#1 := isMethaneAlarm_#t~ret35#1;havoc isMethaneAlarm_#t~ret35#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; 1497#L752 processEnvironment_#t~ret33#1 := isMethaneAlarm_#res#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~7#1 := processEnvironment_#t~ret33#1;havoc processEnvironment_#t~ret33#1; 1494#L695 assume 0 != processEnvironment_~tmp~7#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1474#L742-1 assume { :end_inline_deactivatePump } true; 1471#L691-1 assume { :end_inline_processEnvironment } true; 1470#L614-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 1469#L907-5 __utac_acc__Specification1_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret5#1;havoc __utac_acc__Specification1_spec__1_#t~ret5#1; 1467#L107 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 1465#L107-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1464#L624 assume { :end_inline_timeShift } true; 1296#L977-2 [2022-11-18 20:59:39,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:39,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-18 20:59:39,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:39,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660182082] [2022-11-18 20:59:39,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:39,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:39,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:39,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:39,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:39,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1618549816, now seen corresponding path program 1 times [2022-11-18 20:59:39,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:39,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601850378] [2022-11-18 20:59:39,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:39,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:39,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:39,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601850378] [2022-11-18 20:59:39,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601850378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:39,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:39,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:59:39,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643780525] [2022-11-18 20:59:39,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:39,785 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:59:39,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:39,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:39,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:39,787 INFO L87 Difference]: Start difference. First operand 608 states and 812 transitions. cyclomatic complexity: 207 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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) [2022-11-18 20:59:39,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:59:39,964 INFO L93 Difference]: Finished difference Result 624 states and 791 transitions. [2022-11-18 20:59:39,965 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 624 states and 791 transitions. [2022-11-18 20:59:39,974 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 435 [2022-11-18 20:59:39,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 624 states to 624 states and 791 transitions. [2022-11-18 20:59:39,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 624 [2022-11-18 20:59:39,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 624 [2022-11-18 20:59:39,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 624 states and 791 transitions. [2022-11-18 20:59:39,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:39,988 INFO L218 hiAutomatonCegarLoop]: Abstraction has 624 states and 791 transitions. [2022-11-18 20:59:39,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states and 791 transitions. [2022-11-18 20:59:40,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2022-11-18 20:59:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 624 states have (on average 1.267628205128205) internal successors, (791), 623 states have internal predecessors, (791), 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) [2022-11-18 20:59:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 791 transitions. [2022-11-18 20:59:40,021 INFO L240 hiAutomatonCegarLoop]: Abstraction has 624 states and 791 transitions. [2022-11-18 20:59:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:40,023 INFO L428 stractBuchiCegarLoop]: Abstraction has 624 states and 791 transitions. [2022-11-18 20:59:40,023 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:59:40,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 624 states and 791 transitions. [2022-11-18 20:59:40,028 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 435 [2022-11-18 20:59:40,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:59:40,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:59:40,031 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:59:40,031 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:59:40,031 INFO L748 eck$LassoCheckResult]: Stem: 2486#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;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 2444#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 2390#L84 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2391#L77 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 2378#L92 main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 2379#L578 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 2448#L554 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~11#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~11#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2446#L977-2 [2022-11-18 20:59:40,032 INFO L750 eck$LassoCheckResult]: Loop: 2446#L977-2 assume !false; 2606#L978 assume test_~splverifierCounter~0#1 < 4; 2605#L979 test_~tmp~11#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 2603#L987 assume !(0 != test_~tmp~11#1); 2601#L987-2 test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 2599#L997 assume !(0 != test_~tmp___0~3#1); 2597#L997-2 test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 2596#L1007 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet54#1;havoc test_#t~nondet54#1; 2594#L1015 assume !(0 != test_~tmp___1~0#1); 2595#L1015-2 assume { :begin_inline_timeShift } true; 2590#L607 assume !(0 != ~pumpRunning~0); 2588#L607-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 2586#L691 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret32#1, processEnvironment__wrappee__methaneQuery_~tmp~6#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~6#1; 2585#L665-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 2584#L639-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret44#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 2582#L947-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 2580#L952-3 isHighWaterLevel_#t~ret44#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret44#1;havoc isHighWaterLevel_#t~ret44#1; 2577#L810-9 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2575#L810-11 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 2573#L816-3 processEnvironment__wrappee__highWaterSensor_#t~ret31#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret31#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1; 2569#L643-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2488#L631-6 assume { :end_inline_processEnvironment__wrappee__base } true; 2353#L639-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2354#L665-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2258#L691-1 assume { :end_inline_processEnvironment } true; 2336#L614-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 2337#L907-5 __utac_acc__Specification1_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret5#1;havoc __utac_acc__Specification1_spec__1_#t~ret5#1; 2400#L107 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 2396#L107-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 2397#L624 assume { :end_inline_timeShift } true; 2446#L977-2 [2022-11-18 20:59:40,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:40,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-18 20:59:40,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:40,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851680849] [2022-11-18 20:59:40,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:40,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:40,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:40,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:40,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:40,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1404961064, now seen corresponding path program 1 times [2022-11-18 20:59:40,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:40,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149015751] [2022-11-18 20:59:40,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:40,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:40,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:40,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:40,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:40,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1007770212, now seen corresponding path program 1 times [2022-11-18 20:59:40,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:40,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370663562] [2022-11-18 20:59:40,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:40,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:40,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:40,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:41,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:41,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:59:41 BoogieIcfgContainer [2022-11-18 20:59:41,673 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:59:41,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:59:41,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:59:41,675 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:59:41,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:38" (3/4) ... [2022-11-18 20:59:41,678 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 20:59:41,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:59:41,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:59:41,767 INFO L158 Benchmark]: Toolchain (without parser) took 4608.73ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 65.9MB in the beginning and 59.1MB in the end (delta: 6.8MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,768 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:59:41,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.12ms. Allocated memory is still 111.1MB. Free memory was 65.7MB in the beginning and 77.5MB in the end (delta: -11.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.87ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 72.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,769 INFO L158 Benchmark]: Boogie Preprocessor took 51.92ms. Allocated memory is still 111.1MB. Free memory was 72.3MB in the beginning and 68.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,770 INFO L158 Benchmark]: RCFGBuilder took 1078.42ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 68.6MB in the beginning and 102.7MB in the end (delta: -34.1MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,770 INFO L158 Benchmark]: BuchiAutomizer took 2727.08ms. Allocated memory is still 140.5MB. Free memory was 101.9MB in the beginning and 62.3MB in the end (delta: 39.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,770 INFO L158 Benchmark]: Witness Printer took 92.09ms. Allocated memory is still 140.5MB. Free memory was 62.3MB in the beginning and 59.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,772 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 111.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.12ms. Allocated memory is still 111.1MB. Free memory was 65.7MB in the beginning and 77.5MB in the end (delta: -11.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.87ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 72.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.92ms. Allocated memory is still 111.1MB. Free memory was 72.3MB in the beginning and 68.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1078.42ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 68.6MB in the beginning and 102.7MB in the end (delta: -34.1MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2727.08ms. Allocated memory is still 140.5MB. Free memory was 101.9MB in the beginning and 62.3MB in the end (delta: 39.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Witness Printer took 92.09ms. Allocated memory is still 140.5MB. Free memory was 62.3MB in the beginning and 59.1MB 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 624 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 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, 645 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 1267 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 537 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 730 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 977]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L294] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L865] int methaneLevelCritical = 0; [L600] int pumpRunning = 0; [L864] int waterLevel = 1; [L601] int systemActive = 1; [L491] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L569] int retValue_acc ; [L570] int tmp ; [L574] FCALL select_helpers() [L575] FCALL select_features() [L576] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L576] RET, EXPR valid_product() [L576] tmp = valid_product() [L578] COND TRUE \read(tmp) [L580] FCALL setup() [L581] CALL runTest() [L563] CALL test() [L968] int splverifierCounter ; [L969] int tmp ; [L970] int tmp___0 ; [L971] int tmp___1 ; [L972] int tmp___2 ; [L975] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L977] COND TRUE 1 [L979] COND TRUE splverifierCounter < 4 [L985] tmp = __VERIFIER_nondet_int() [L987] COND FALSE !(\read(tmp)) [L995] tmp___0 = __VERIFIER_nondet_int() [L997] COND FALSE !(\read(tmp___0)) [L1005] tmp___2 = __VERIFIER_nondet_int() [L1007] COND FALSE !(\read(tmp___2)) [L1013] tmp___1 = __VERIFIER_nondet_int() [L1015] COND FALSE !(\read(tmp___1)) [L1024] CALL timeShift() [L607] COND FALSE !(\read(pumpRunning)) [L614] COND TRUE \read(systemActive) [L616] CALL processEnvironment() [L688] int tmp ; [L691] COND FALSE !(\read(pumpRunning)) [L706] CALL processEnvironment__wrappee__methaneQuery() [L662] int tmp ; [L665] COND FALSE !(\read(pumpRunning)) [L680] CALL processEnvironment__wrappee__highWaterSensor() [L636] int tmp ; [L639] COND TRUE ! pumpRunning [L641] CALL, EXPR isHighWaterLevel() [L802] int retValue_acc ; [L803] int tmp ; [L804] int tmp___0 ; [L808] CALL, EXPR isHighWaterSensorDry() [L944] int retValue_acc ; [L947] COND TRUE waterLevel < 2 [L948] retValue_acc = 1 [L949] return (retValue_acc); [L808] RET, EXPR isHighWaterSensorDry() [L808] tmp = isHighWaterSensorDry() [L810] COND TRUE \read(tmp) [L811] tmp___0 = 0 [L815] retValue_acc = tmp___0 [L816] return (retValue_acc); [L641] RET, EXPR isHighWaterLevel() [L641] tmp = isHighWaterLevel() [L643] COND FALSE !(\read(tmp)) [L649] FCALL processEnvironment__wrappee__base() [L680] RET processEnvironment__wrappee__highWaterSensor() [L706] RET processEnvironment__wrappee__methaneQuery() [L616] RET processEnvironment() [L622] CALL __utac_acc__Specification1_spec__1() [L100] int tmp ; [L101] int tmp___0 ; [L105] CALL, EXPR isMethaneLevelCritical() [L903] int retValue_acc ; [L906] retValue_acc = methaneLevelCritical [L907] return (retValue_acc); [L105] RET, EXPR isMethaneLevelCritical() [L105] tmp = isMethaneLevelCritical() [L107] COND FALSE !(\read(tmp)) [L622] RET __utac_acc__Specification1_spec__1() [L1024] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 977]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L294] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L865] int methaneLevelCritical = 0; [L600] int pumpRunning = 0; [L864] int waterLevel = 1; [L601] int systemActive = 1; [L491] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L569] int retValue_acc ; [L570] int tmp ; [L574] FCALL select_helpers() [L575] FCALL select_features() [L576] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L576] RET, EXPR valid_product() [L576] tmp = valid_product() [L578] COND TRUE \read(tmp) [L580] FCALL setup() [L581] CALL runTest() [L563] CALL test() [L968] int splverifierCounter ; [L969] int tmp ; [L970] int tmp___0 ; [L971] int tmp___1 ; [L972] int tmp___2 ; [L975] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L977] COND TRUE 1 [L979] COND TRUE splverifierCounter < 4 [L985] tmp = __VERIFIER_nondet_int() [L987] COND FALSE !(\read(tmp)) [L995] tmp___0 = __VERIFIER_nondet_int() [L997] COND FALSE !(\read(tmp___0)) [L1005] tmp___2 = __VERIFIER_nondet_int() [L1007] COND FALSE !(\read(tmp___2)) [L1013] tmp___1 = __VERIFIER_nondet_int() [L1015] COND FALSE !(\read(tmp___1)) [L1024] CALL timeShift() [L607] COND FALSE !(\read(pumpRunning)) [L614] COND TRUE \read(systemActive) [L616] CALL processEnvironment() [L688] int tmp ; [L691] COND FALSE !(\read(pumpRunning)) [L706] CALL processEnvironment__wrappee__methaneQuery() [L662] int tmp ; [L665] COND FALSE !(\read(pumpRunning)) [L680] CALL processEnvironment__wrappee__highWaterSensor() [L636] int tmp ; [L639] COND TRUE ! pumpRunning [L641] CALL, EXPR isHighWaterLevel() [L802] int retValue_acc ; [L803] int tmp ; [L804] int tmp___0 ; [L808] CALL, EXPR isHighWaterSensorDry() [L944] int retValue_acc ; [L947] COND TRUE waterLevel < 2 [L948] retValue_acc = 1 [L949] return (retValue_acc); [L808] RET, EXPR isHighWaterSensorDry() [L808] tmp = isHighWaterSensorDry() [L810] COND TRUE \read(tmp) [L811] tmp___0 = 0 [L815] retValue_acc = tmp___0 [L816] return (retValue_acc); [L641] RET, EXPR isHighWaterLevel() [L641] tmp = isHighWaterLevel() [L643] COND FALSE !(\read(tmp)) [L649] FCALL processEnvironment__wrappee__base() [L680] RET processEnvironment__wrappee__highWaterSensor() [L706] RET processEnvironment__wrappee__methaneQuery() [L616] RET processEnvironment() [L622] CALL __utac_acc__Specification1_spec__1() [L100] int tmp ; [L101] int tmp___0 ; [L105] CALL, EXPR isMethaneLevelCritical() [L903] int retValue_acc ; [L906] retValue_acc = methaneLevelCritical [L907] return (retValue_acc); [L105] RET, EXPR isMethaneLevelCritical() [L105] tmp = isMethaneLevelCritical() [L107] COND FALSE !(\read(tmp)) [L622] RET __utac_acc__Specification1_spec__1() [L1024] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:59:41,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc216b3a-94b1-4d1a-81a2-b67fad257d6f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)