./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a --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 2d1ca9044da6bfd8ea8e8fb421260ee2f744733ad29714ab0a4cdf49955938a8 --- 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-b5237d8 [2022-11-21 16:40:50,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:40:50,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:40:50,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:40:50,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:40:50,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:40:50,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:40:50,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:40:50,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:40:50,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:40:50,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:40:50,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:40:50,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:40:50,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:40:50,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:40:50,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:40:50,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:40:50,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:40:50,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:40:50,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:40:50,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:40:50,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:40:50,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:40:50,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:40:50,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:40:50,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:40:50,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:40:50,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:40:50,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:40:50,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:40:50,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:40:50,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:40:50,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:40:50,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:40:50,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:40:50,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:40:50,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:40:50,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:40:50,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:40:50,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:40:50,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:40:50,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 16:40:51,035 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:40:51,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:40:51,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:40:51,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:40:51,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:40:51,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:40:51,040 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:40:51,040 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:40:51,040 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:40:51,040 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:40:51,041 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:40:51,042 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:40:51,042 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:40:51,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:40:51,042 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:40:51,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:40:51,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:40:51,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:40:51,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:40:51,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:40:51,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:40:51,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:40:51,044 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:40:51,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:40:51,044 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:40:51,045 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:40:51,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:40:51,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:40:51,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:40:51,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:40:51,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:40:51,049 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:40:51,049 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_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d1ca9044da6bfd8ea8e8fb421260ee2f744733ad29714ab0a4cdf49955938a8 [2022-11-21 16:40:51,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:40:51,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:40:51,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:40:51,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:40:51,368 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:40:51,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c [2022-11-21 16:40:54,474 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:40:54,845 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:40:54,846 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c [2022-11-21 16:40:54,859 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/data/751b32afa/7fb1e18fa1fa424f81b87f3c206c9467/FLAGfab159ee9 [2022-11-21 16:40:54,881 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/data/751b32afa/7fb1e18fa1fa424f81b87f3c206c9467 [2022-11-21 16:40:54,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:40:54,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:40:54,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:40:54,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:40:54,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:40:54,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:54" (1/1) ... [2022-11-21 16:40:54,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57699c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:54, skipping insertion in model container [2022-11-21 16:40:54,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:54" (1/1) ... [2022-11-21 16:40:54,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:40:54,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:40:55,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c[13833,13846] [2022-11-21 16:40:55,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:40:55,247 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:40:55,346 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c[13833,13846] [2022-11-21 16:40:55,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:40:55,392 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:40:55,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55 WrapperNode [2022-11-21 16:40:55,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:40:55,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:40:55,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:40:55,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:40:55,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (1/1) ... [2022-11-21 16:40:55,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (1/1) ... [2022-11-21 16:40:55,447 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 53, calls inlined = 57, statements flattened = 353 [2022-11-21 16:40:55,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:40:55,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:40:55,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:40:55,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:40:55,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (1/1) ... [2022-11-21 16:40:55,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (1/1) ... [2022-11-21 16:40:55,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (1/1) ... [2022-11-21 16:40:55,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (1/1) ... [2022-11-21 16:40:55,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (1/1) ... [2022-11-21 16:40:55,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (1/1) ... [2022-11-21 16:40:55,478 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (1/1) ... [2022-11-21 16:40:55,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (1/1) ... [2022-11-21 16:40:55,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:40:55,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:40:55,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:40:55,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:40:55,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (1/1) ... [2022-11-21 16:40:55,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:40:55,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:40:55,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:40:55,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:40:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:40:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:40:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:40:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:40:55,715 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:40:55,717 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:40:56,070 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:40:56,092 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:40:56,092 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:40:56,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:56 BoogieIcfgContainer [2022-11-21 16:40:56,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:40:56,101 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:40:56,101 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:40:56,106 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:40:56,107 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:40:56,107 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:40:54" (1/3) ... [2022-11-21 16:40:56,108 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57b288b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:40:56, skipping insertion in model container [2022-11-21 16:40:56,108 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:40:56,109 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:55" (2/3) ... [2022-11-21 16:40:56,109 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57b288b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:40:56, skipping insertion in model container [2022-11-21 16:40:56,109 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:40:56,110 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:56" (3/3) ... [2022-11-21 16:40:56,111 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product16.cil.c [2022-11-21 16:40:56,200 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:40:56,200 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:40:56,200 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:40:56,201 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:40:56,201 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:40:56,201 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:40:56,201 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:40:56,201 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:40:56,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3454545454545455) internal successors, (148), 110 states have internal predecessors, (148), 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) [2022-11-21 16:40:56,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-21 16:40:56,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:40:56,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:40:56,238 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:40:56,239 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] [2022-11-21 16:40:56,242 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:40:56,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3454545454545455) internal successors, (148), 110 states have internal predecessors, (148), 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) [2022-11-21 16:40:56,262 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-21 16:40:56,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:40:56,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:40:56,267 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:40:56,268 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] [2022-11-21 16:40:56,275 INFO L748 eck$LassoCheckResult]: Stem: 102#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;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 30#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~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 110#L595true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 71#L588true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 101#L603true 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; 34#L559true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 31#L531true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 90#L425true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 18#L810-2true [2022-11-21 16:40:56,283 INFO L750 eck$LassoCheckResult]: Loop: 18#L810-2true assume !false; 57#L811true assume test_~splverifierCounter~0#1 < 4; 64#L812true test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 24#L820true assume !(0 != test_~tmp~7#1); 78#L820-2true test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 83#L830true assume !(0 != test_~tmp___0~1#1); 103#L830-2true test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 85#L840true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 70#L796true assume { :end_inline_startSystem } true; 38#L848-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 28#L736true __utac_acc__Specification5_spec__2_#t~ret27#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27#1;havoc __utac_acc__Specification5_spec__2_#t~ret27#1; 76#L435true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 73#L634true assume !(0 != ~pumpRunning~0); 75#L634-2true assume !(0 != ~systemActive~0); 66#L641-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 8#L944true __utac_acc__Specification5_spec__3_#t~ret28#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret28#1;havoc __utac_acc__Specification5_spec__3_#t~ret28#1; 89#L446true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 58#L446-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 99#L651true assume { :end_inline_timeShift } true; 18#L810-2true [2022-11-21 16:40:56,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:56,296 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-21 16:40:56,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:56,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929787813] [2022-11-21 16:40:56,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:56,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:56,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:40:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:56,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:40:56,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:56,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1914614443, now seen corresponding path program 1 times [2022-11-21 16:40:56,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:56,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749212355] [2022-11-21 16:40:56,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:56,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:56,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:40:56,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:40:56,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749212355] [2022-11-21 16:40:56,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749212355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:40:56,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:40:56,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:40:56,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948878242] [2022-11-21 16:40:56,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:40:56,582 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 16:40:56,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:40:56,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:40:56,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:40:56,621 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.3454545454545455) internal successors, (148), 110 states have internal predecessors, (148), 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 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-21 16:40:56,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:40:56,685 INFO L93 Difference]: Finished difference Result 206 states and 262 transitions. [2022-11-21 16:40:56,686 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 206 states and 262 transitions. [2022-11-21 16:40:56,691 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2022-11-21 16:40:56,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 206 states to 186 states and 241 transitions. [2022-11-21 16:40:56,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 186 [2022-11-21 16:40:56,699 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 186 [2022-11-21 16:40:56,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 186 states and 241 transitions. [2022-11-21 16:40:56,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:40:56,702 INFO L218 hiAutomatonCegarLoop]: Abstraction has 186 states and 241 transitions. [2022-11-21 16:40:56,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states and 241 transitions. [2022-11-21 16:40:56,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-11-21 16:40:56,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 183 states have (on average 1.2950819672131149) internal successors, (237), 182 states have internal predecessors, (237), 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) [2022-11-21 16:40:56,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 237 transitions. [2022-11-21 16:40:56,741 INFO L240 hiAutomatonCegarLoop]: Abstraction has 183 states and 237 transitions. [2022-11-21 16:40:56,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:40:56,746 INFO L428 stractBuchiCegarLoop]: Abstraction has 183 states and 237 transitions. [2022-11-21 16:40:56,747 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:40:56,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 237 transitions. [2022-11-21 16:40:56,750 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 129 [2022-11-21 16:40:56,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:40:56,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:40:56,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:40:56,751 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] [2022-11-21 16:40:56,751 INFO L748 eck$LassoCheckResult]: Stem: 442#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;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 373#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~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 374#L595 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 414#L588 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 415#L603 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; 382#L559 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 375#L531 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 376#L425 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 434#L810-2 [2022-11-21 16:40:56,752 INFO L750 eck$LassoCheckResult]: Loop: 434#L810-2 assume !false; 451#L811 assume test_~splverifierCounter~0#1 < 4; 450#L812 test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 448#L820 assume !(0 != test_~tmp~7#1); 424#L820-2 test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 425#L830 assume !(0 != test_~tmp___0~1#1); 446#L830-2 test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 429#L840 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 412#L796 assume { :end_inline_startSystem } true; 413#L848-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 445#L736 __utac_acc__Specification5_spec__2_#t~ret27#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27#1;havoc __utac_acc__Specification5_spec__2_#t~ret27#1; 422#L435 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 423#L634 assume !(0 != ~pumpRunning~0); 420#L634-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 421#L666 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 460#L658-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 459#L666-1 assume { :end_inline_processEnvironment } true; 458#L641-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 457#L944 __utac_acc__Specification5_spec__3_#t~ret28#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret28#1;havoc __utac_acc__Specification5_spec__3_#t~ret28#1; 433#L446 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 403#L446-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 404#L651 assume { :end_inline_timeShift } true; 434#L810-2 [2022-11-21 16:40:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:56,753 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-21 16:40:56,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:56,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291576640] [2022-11-21 16:40:56,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:56,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:56,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:40:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:56,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:40:56,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:56,785 INFO L85 PathProgramCache]: Analyzing trace with hash 2102555803, now seen corresponding path program 1 times [2022-11-21 16:40:56,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:56,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662759413] [2022-11-21 16:40:56,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:56,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:56,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:40:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:56,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:40:56,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:56,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1750199612, now seen corresponding path program 1 times [2022-11-21 16:40:56,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:56,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351334076] [2022-11-21 16:40:56,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:56,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:40:57,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:40:57,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351334076] [2022-11-21 16:40:57,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351334076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:40:57,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:40:57,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:40:57,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307472105] [2022-11-21 16:40:57,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:40:57,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:40:57,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:40:57,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:40:57,277 INFO L87 Difference]: Start difference. First operand 183 states and 237 transitions. cyclomatic complexity: 57 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-11-21 16:40:57,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:40:57,436 INFO L93 Difference]: Finished difference Result 507 states and 653 transitions. [2022-11-21 16:40:57,437 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 507 states and 653 transitions. [2022-11-21 16:40:57,444 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 331 [2022-11-21 16:40:57,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 507 states to 507 states and 653 transitions. [2022-11-21 16:40:57,448 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 507 [2022-11-21 16:40:57,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 507 [2022-11-21 16:40:57,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 507 states and 653 transitions. [2022-11-21 16:40:57,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:40:57,452 INFO L218 hiAutomatonCegarLoop]: Abstraction has 507 states and 653 transitions. [2022-11-21 16:40:57,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states and 653 transitions. [2022-11-21 16:40:57,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 356. [2022-11-21 16:40:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 356 states have (on average 1.2808988764044944) internal successors, (456), 355 states have internal predecessors, (456), 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) [2022-11-21 16:40:57,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 456 transitions. [2022-11-21 16:40:57,470 INFO L240 hiAutomatonCegarLoop]: Abstraction has 356 states and 456 transitions. [2022-11-21 16:40:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:40:57,472 INFO L428 stractBuchiCegarLoop]: Abstraction has 356 states and 456 transitions. [2022-11-21 16:40:57,472 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 16:40:57,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 356 states and 456 transitions. [2022-11-21 16:40:57,475 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 256 [2022-11-21 16:40:57,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:40:57,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:40:57,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:40:57,476 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] [2022-11-21 16:40:57,477 INFO L748 eck$LassoCheckResult]: Stem: 1157#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;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1081#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~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1082#L595 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1132#L588 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1133#L603 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; 1088#L559 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1083#L531 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1084#L425 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1060#L810-2 [2022-11-21 16:40:57,477 INFO L750 eck$LassoCheckResult]: Loop: 1060#L810-2 assume !false; 1061#L811 assume test_~splverifierCounter~0#1 < 4; 1114#L812 test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1069#L820 assume !(0 != test_~tmp~7#1); 1071#L820-2 test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1139#L830 assume !(0 != test_~tmp___0~1#1); 1144#L830-2 test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 1145#L840 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1130#L796 assume { :end_inline_startSystem } true; 1131#L848-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1360#L736 __utac_acc__Specification5_spec__2_#t~ret27#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27#1;havoc __utac_acc__Specification5_spec__2_#t~ret27#1; 1138#L435 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1135#L634 assume !(0 != ~pumpRunning~0); 1136#L634-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1045#L666 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 1039#L658-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1040#L666-1 assume { :end_inline_processEnvironment } true; 1126#L641-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1041#L944 __utac_acc__Specification5_spec__3_#t~ret28#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret28#1;havoc __utac_acc__Specification5_spec__3_#t~ret28#1; 1042#L446 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1325#L736-1 __utac_acc__Specification5_spec__3_#t~ret29#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 1324#L450 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1322#L446-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1155#L651 assume { :end_inline_timeShift } true; 1060#L810-2 [2022-11-21 16:40:57,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:57,478 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-21 16:40:57,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:57,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979788374] [2022-11-21 16:40:57,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:57,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:57,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:40:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:57,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:40:57,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:57,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1902399094, now seen corresponding path program 1 times [2022-11-21 16:40:57,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:57,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910402056] [2022-11-21 16:40:57,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:57,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:57,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:40:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:57,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:40:57,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:57,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1666254431, now seen corresponding path program 1 times [2022-11-21 16:40:57,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:57,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711534516] [2022-11-21 16:40:57,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:57,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:40:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:57,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:40:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:58,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:40:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:58,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:40:58 BoogieIcfgContainer [2022-11-21 16:40:58,961 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:40:58,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:40:58,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:40:58,964 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:40:58,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:56" (3/4) ... [2022-11-21 16:40:58,967 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-21 16:40:59,033 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:40:59,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:40:59,034 INFO L158 Benchmark]: Toolchain (without parser) took 4149.51ms. Allocated memory is still 165.7MB. Free memory was 136.3MB in the beginning and 108.0MB in the end (delta: 28.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-11-21 16:40:59,035 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:40:59,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.46ms. Allocated memory is still 165.7MB. Free memory was 136.3MB in the beginning and 117.9MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 16:40:59,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.71ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 115.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:40:59,037 INFO L158 Benchmark]: Boogie Preprocessor took 35.58ms. Allocated memory is still 165.7MB. Free memory was 115.2MB in the beginning and 113.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:40:59,038 INFO L158 Benchmark]: RCFGBuilder took 615.64ms. Allocated memory is still 165.7MB. Free memory was 113.4MB in the beginning and 95.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 16:40:59,038 INFO L158 Benchmark]: BuchiAutomizer took 2860.59ms. Allocated memory is still 165.7MB. Free memory was 95.6MB in the beginning and 111.2MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:40:59,039 INFO L158 Benchmark]: Witness Printer took 71.45ms. Allocated memory is still 165.7MB. Free memory was 111.2MB in the beginning and 108.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:40:59,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.46ms. Allocated memory is still 165.7MB. Free memory was 136.3MB in the beginning and 117.9MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.71ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 115.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.58ms. Allocated memory is still 165.7MB. Free memory was 115.2MB in the beginning and 113.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.64ms. Allocated memory is still 165.7MB. Free memory was 113.4MB in the beginning and 95.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2860.59ms. Allocated memory is still 165.7MB. Free memory was 95.6MB in the beginning and 111.2MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 71.45ms. Allocated memory is still 165.7MB. Free memory was 111.2MB in the beginning and 108.0MB 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 5 locations. The remainder module has 356 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 154 StatesRemovedByMinimization, 2 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, 528 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 528 mSDsluCounter, 828 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 518 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 310 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 810]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L419] int switchedOnBeforeTS ; [L468] int cleanupTimeShifts = 4; [L624] int pumpRunning = 0; [L625] int systemActive = 1; [L869] int waterLevel = 1; [L870] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L550] int retValue_acc ; [L551] int tmp ; [L555] FCALL select_helpers() [L556] FCALL select_features() [L557] CALL, EXPR valid_product() [L599] int retValue_acc ; [L602] retValue_acc = 1 [L603] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L557] RET, EXPR valid_product() [L557] tmp = valid_product() [L559] COND TRUE \read(tmp) [L561] FCALL setup() [L562] CALL runTest() [L540] CALL __utac_acc__Specification5_spec__1() [L424] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L540] RET __utac_acc__Specification5_spec__1() [L541] CALL test() [L801] int splverifierCounter ; [L802] int tmp ; [L803] int tmp___0 ; [L804] int tmp___1 ; [L805] int tmp___2 ; [L808] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L810] COND TRUE 1 [L812] COND TRUE splverifierCounter < 4 [L818] tmp = __VERIFIER_nondet_int() [L820] COND FALSE !(\read(tmp)) [L828] tmp___0 = __VERIFIER_nondet_int() [L830] COND FALSE !(\read(tmp___0)) [L838] tmp___2 = __VERIFIER_nondet_int() [L840] COND TRUE \read(tmp___2) [L842] CALL startSystem() [L795] systemActive = 1 [L842] RET startSystem() [L857] CALL timeShift() [L632] CALL __utac_acc__Specification5_spec__2() [L433] CALL, EXPR isPumpRunning() [L732] int retValue_acc ; [L735] retValue_acc = pumpRunning [L736] return (retValue_acc); [L433] RET, EXPR isPumpRunning() [L433] switchedOnBeforeTS = isPumpRunning() [L632] RET __utac_acc__Specification5_spec__2() [L634] COND FALSE !(\read(pumpRunning)) [L641] COND TRUE \read(systemActive) [L643] CALL processEnvironment() [L663] int tmp ; [L666] COND FALSE !(\read(pumpRunning)) [L681] FCALL processEnvironment__wrappee__methaneQuery() [L643] RET processEnvironment() [L649] CALL __utac_acc__Specification5_spec__3() [L439] int tmp ; [L440] int tmp___0 ; [L444] CALL, EXPR getWaterLevel() [L940] int retValue_acc ; [L943] retValue_acc = waterLevel [L944] return (retValue_acc); [L444] RET, EXPR getWaterLevel() [L444] tmp = getWaterLevel() [L446] COND TRUE tmp != 2 [L448] CALL, EXPR isPumpRunning() [L732] int retValue_acc ; [L735] retValue_acc = pumpRunning [L736] return (retValue_acc); [L448] RET, EXPR isPumpRunning() [L448] tmp___0 = isPumpRunning() [L450] COND FALSE !(\read(tmp___0)) [L649] RET __utac_acc__Specification5_spec__3() [L857] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 810]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L419] int switchedOnBeforeTS ; [L468] int cleanupTimeShifts = 4; [L624] int pumpRunning = 0; [L625] int systemActive = 1; [L869] int waterLevel = 1; [L870] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L550] int retValue_acc ; [L551] int tmp ; [L555] FCALL select_helpers() [L556] FCALL select_features() [L557] CALL, EXPR valid_product() [L599] int retValue_acc ; [L602] retValue_acc = 1 [L603] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L557] RET, EXPR valid_product() [L557] tmp = valid_product() [L559] COND TRUE \read(tmp) [L561] FCALL setup() [L562] CALL runTest() [L540] CALL __utac_acc__Specification5_spec__1() [L424] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L540] RET __utac_acc__Specification5_spec__1() [L541] CALL test() [L801] int splverifierCounter ; [L802] int tmp ; [L803] int tmp___0 ; [L804] int tmp___1 ; [L805] int tmp___2 ; [L808] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L810] COND TRUE 1 [L812] COND TRUE splverifierCounter < 4 [L818] tmp = __VERIFIER_nondet_int() [L820] COND FALSE !(\read(tmp)) [L828] tmp___0 = __VERIFIER_nondet_int() [L830] COND FALSE !(\read(tmp___0)) [L838] tmp___2 = __VERIFIER_nondet_int() [L840] COND TRUE \read(tmp___2) [L842] CALL startSystem() [L795] systemActive = 1 [L842] RET startSystem() [L857] CALL timeShift() [L632] CALL __utac_acc__Specification5_spec__2() [L433] CALL, EXPR isPumpRunning() [L732] int retValue_acc ; [L735] retValue_acc = pumpRunning [L736] return (retValue_acc); [L433] RET, EXPR isPumpRunning() [L433] switchedOnBeforeTS = isPumpRunning() [L632] RET __utac_acc__Specification5_spec__2() [L634] COND FALSE !(\read(pumpRunning)) [L641] COND TRUE \read(systemActive) [L643] CALL processEnvironment() [L663] int tmp ; [L666] COND FALSE !(\read(pumpRunning)) [L681] FCALL processEnvironment__wrappee__methaneQuery() [L643] RET processEnvironment() [L649] CALL __utac_acc__Specification5_spec__3() [L439] int tmp ; [L440] int tmp___0 ; [L444] CALL, EXPR getWaterLevel() [L940] int retValue_acc ; [L943] retValue_acc = waterLevel [L944] return (retValue_acc); [L444] RET, EXPR getWaterLevel() [L444] tmp = getWaterLevel() [L446] COND TRUE tmp != 2 [L448] CALL, EXPR isPumpRunning() [L732] int retValue_acc ; [L735] retValue_acc = pumpRunning [L736] return (retValue_acc); [L448] RET, EXPR isPumpRunning() [L448] tmp___0 = isPumpRunning() [L450] COND FALSE !(\read(tmp___0)) [L649] RET __utac_acc__Specification5_spec__3() [L857] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 16:40:59,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8baa3f-a6ad-4db5-992d-b30e1f3683cc/bin/uautomizer-vX5HgA9Q3a/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)