./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8 --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 b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef --- 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-2329fc7 [2022-12-13 13:36:42,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:36:42,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:36:42,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:36:42,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:36:42,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:36:42,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:36:42,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:36:42,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:36:42,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:36:42,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:36:42,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:36:42,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:36:42,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:36:42,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:36:42,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:36:42,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:36:42,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:36:42,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:36:42,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:36:42,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:36:42,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:36:42,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:36:42,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:36:42,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:36:42,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:36:42,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:36:42,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:36:42,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:36:42,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:36:42,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:36:42,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:36:42,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:36:42,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:36:42,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:36:42,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:36:42,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:36:42,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:36:42,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:36:42,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:36:42,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:36:42,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 13:36:42,754 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:36:42,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:36:42,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:36:42,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:36:42,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:36:42,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:36:42,755 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:36:42,755 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 13:36:42,756 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 13:36:42,756 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 13:36:42,756 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 13:36:42,756 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 13:36:42,756 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 13:36:42,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:36:42,756 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:36:42,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:36:42,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:36:42,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:36:42,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:36:42,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 13:36:42,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 13:36:42,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 13:36:42,757 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:36:42,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:36:42,757 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 13:36:42,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:36:42,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 13:36:42,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:36:42,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:36:42,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:36:42,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:36:42,759 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 13:36:42,759 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_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef [2022-12-13 13:36:42,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:36:42,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:36:42,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:36:42,967 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:36:42,968 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:36:42,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2022-12-13 13:36:45,527 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:36:45,704 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:36:45,704 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2022-12-13 13:36:45,712 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/data/dcafbccdc/dc636d0d5f384720b410822f4c54b022/FLAGae0e9f8de [2022-12-13 13:36:45,723 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/data/dcafbccdc/dc636d0d5f384720b410822f4c54b022 [2022-12-13 13:36:45,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:36:45,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:36:45,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:36:45,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:36:45,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:36:45,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:36:45" (1/1) ... [2022-12-13 13:36:45,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297769aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:45, skipping insertion in model container [2022-12-13 13:36:45,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:36:45" (1/1) ... [2022-12-13 13:36:45,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:36:45,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:36:45,897 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_4d46737f-648c-4276-a0c9-183ffab66111/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2022-12-13 13:36:45,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:36:45,945 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:36:45,975 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_4d46737f-648c-4276-a0c9-183ffab66111/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2022-12-13 13:36:46,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:36:46,029 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:36:46,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46 WrapperNode [2022-12-13 13:36:46,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:36:46,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:36:46,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:36:46,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:36:46,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (1/1) ... [2022-12-13 13:36:46,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (1/1) ... [2022-12-13 13:36:46,080 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 47, calls inlined = 48, statements flattened = 324 [2022-12-13 13:36:46,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:36:46,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:36:46,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:36:46,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:36:46,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (1/1) ... [2022-12-13 13:36:46,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (1/1) ... [2022-12-13 13:36:46,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (1/1) ... [2022-12-13 13:36:46,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (1/1) ... [2022-12-13 13:36:46,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (1/1) ... [2022-12-13 13:36:46,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (1/1) ... [2022-12-13 13:36:46,107 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (1/1) ... [2022-12-13 13:36:46,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (1/1) ... [2022-12-13 13:36:46,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:36:46,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:36:46,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:36:46,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:36:46,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (1/1) ... [2022-12-13 13:36:46,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:36:46,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:36:46,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:36:46,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 13:36:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:36:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:36:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:36:46,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:36:46,244 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:36:46,246 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:36:46,465 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:36:46,472 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:36:46,472 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 13:36:46,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:36:46 BoogieIcfgContainer [2022-12-13 13:36:46,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:36:46,475 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 13:36:46,475 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 13:36:46,478 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 13:36:46,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:36:46,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 01:36:45" (1/3) ... [2022-12-13 13:36:46,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31523705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:36:46, skipping insertion in model container [2022-12-13 13:36:46,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:36:46,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:36:46" (2/3) ... [2022-12-13 13:36:46,481 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31523705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:36:46, skipping insertion in model container [2022-12-13 13:36:46,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:36:46,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:36:46" (3/3) ... [2022-12-13 13:36:46,482 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2022-12-13 13:36:46,529 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 13:36:46,529 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 13:36:46,529 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 13:36:46,529 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 13:36:46,529 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 13:36:46,529 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 13:36:46,529 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 13:36:46,529 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 13:36:46,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:36:46,548 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-12-13 13:36:46,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:36:46,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:36:46,552 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:36:46,552 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:36:46,553 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 13:36:46,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:36:46,558 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-12-13 13:36:46,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:36:46,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:36:46,559 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:36:46,559 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:36:46,563 INFO L748 eck$LassoCheckResult]: Stem: 28#$Ultimate##0true 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 37#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 85#select_features_returnLabel#1true 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; 77#valid_product_returnLabel#1true main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 15#L376true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 67#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 35#L65-2true [2022-12-13 13:36:46,563 INFO L750 eck$LassoCheckResult]: Loop: 35#L65-2true assume !false; 29#L66true assume test_~splverifierCounter~0#1 < 4; 95#L67true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 55#L75true assume !(0 != test_~tmp~0#1); 92#L75-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 32#L85true assume !(0 != test_~tmp___0~0#1); 7#L85-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 76#L95true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 47#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 80#L103-2true assume { :begin_inline_timeShift } true; 59#L138true assume !(0 != ~pumpRunning~0); 79#L138-2true assume !(0 != ~systemActive~0); 61#L145-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret20#1, __utac_acc__Specification4_spec__1_#t~ret21#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 56#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret20#1;havoc __utac_acc__Specification4_spec__1_#t~ret20#1; 70#L400true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 66#L400-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 57#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 35#L65-2true [2022-12-13 13:36:46,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:36:46,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 13:36:46,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:36:46,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361470915] [2022-12-13 13:36:46,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:36:46,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:36:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:36:46,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:36:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:36:46,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:36:46,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:36:46,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1147229153, now seen corresponding path program 1 times [2022-12-13 13:36:46,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:36:46,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119218737] [2022-12-13 13:36:46,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:36:46,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:36:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:36:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:36:46,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:36:46,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119218737] [2022-12-13 13:36:46,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119218737] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:36:46,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:36:46,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:36:46,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434657720] [2022-12-13 13:36:46,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:36:46,783 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 13:36:46,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:36:46,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:36:46,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:36:46,811 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 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) [2022-12-13 13:36:46,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:36:46,840 INFO L93 Difference]: Finished difference Result 100 states and 126 transitions. [2022-12-13 13:36:46,841 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 126 transitions. [2022-12-13 13:36:46,844 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-12-13 13:36:46,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 90 states and 115 transitions. [2022-12-13 13:36:46,848 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 90 [2022-12-13 13:36:46,849 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 90 [2022-12-13 13:36:46,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 115 transitions. [2022-12-13 13:36:46,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:36:46,850 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-12-13 13:36:46,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 115 transitions. [2022-12-13 13:36:46,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-12-13 13:36:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:36:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2022-12-13 13:36:46,871 INFO L240 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-12-13 13:36:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:36:46,875 INFO L428 stractBuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-12-13 13:36:46,875 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 13:36:46,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2022-12-13 13:36:46,876 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-12-13 13:36:46,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:36:46,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:36:46,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:36:46,877 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:36:46,877 INFO L748 eck$LassoCheckResult]: Stem: 272#$Ultimate##0 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 273#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 266#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 267#select_features_returnLabel#1 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; 258#valid_product_returnLabel#1 main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 244#L376 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 218#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 219#L65-2 [2022-12-13 13:36:46,877 INFO L750 eck$LassoCheckResult]: Loop: 219#L65-2 assume !false; 279#L66 assume test_~splverifierCounter~0#1 < 4; 280#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 296#L75 assume !(0 != test_~tmp~0#1); 221#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 283#L85 assume !(0 != test_~tmp___0~0#1); 222#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 223#L95 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 256#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 268#L103-2 assume { :begin_inline_timeShift } true; 269#L138 assume !(0 != ~pumpRunning~0); 257#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 263#L170 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 225#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 226#L170-1 assume { :end_inline_processEnvironment } true; 295#L145-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret20#1, __utac_acc__Specification4_spec__1_#t~ret21#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 301#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret20#1;havoc __utac_acc__Specification4_spec__1_#t~ret20#1; 238#L400 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 216#L400-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 217#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 219#L65-2 [2022-12-13 13:36:46,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:36:46,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 13:36:46,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:36:46,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149681984] [2022-12-13 13:36:46,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:36:46,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:36:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:36:46,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:36:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:36:46,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:36:46,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:36:46,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1311911032, now seen corresponding path program 1 times [2022-12-13 13:36:46,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:36:46,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743344672] [2022-12-13 13:36:46,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:36:46,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:36:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:36:46,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:36:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:36:46,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:36:46,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:36:46,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1335058252, now seen corresponding path program 1 times [2022-12-13 13:36:46,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:36:46,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817739872] [2022-12-13 13:36:46,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:36:46,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:36:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:36:46,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:36:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:36:46,950 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:36:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:36:47,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:36:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:36:47,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 01:36:47 BoogieIcfgContainer [2022-12-13 13:36:47,699 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 13:36:47,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:36:47,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:36:47,700 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:36:47,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:36:46" (3/4) ... [2022-12-13 13:36:47,702 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 13:36:47,735 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:36:47,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:36:47,736 INFO L158 Benchmark]: Toolchain (without parser) took 2009.78ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 77.2MB in the beginning and 82.4MB in the end (delta: -5.2MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-12-13 13:36:47,736 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:36:47,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.93ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 58.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 13:36:47,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.68ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 56.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:36:47,737 INFO L158 Benchmark]: Boogie Preprocessor took 31.42ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 54.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:36:47,737 INFO L158 Benchmark]: RCFGBuilder took 360.94ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 54.4MB in the beginning and 134.4MB in the end (delta: -79.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-12-13 13:36:47,738 INFO L158 Benchmark]: BuchiAutomizer took 1224.16ms. Allocated memory is still 174.1MB. Free memory was 134.4MB in the beginning and 85.4MB in the end (delta: 49.0MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2022-12-13 13:36:47,738 INFO L158 Benchmark]: Witness Printer took 35.56ms. Allocated memory is still 174.1MB. Free memory was 85.4MB in the beginning and 82.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:36:47,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.93ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 58.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.68ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 56.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.42ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 54.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.94ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 54.4MB in the beginning and 134.4MB in the end (delta: -79.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1224.16ms. Allocated memory is still 174.1MB. Free memory was 134.4MB in the beginning and 85.4MB in the end (delta: 49.0MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Witness Printer took 35.56ms. Allocated memory is still 174.1MB. Free memory was 85.4MB in the beginning and 82.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 123 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L291] int cleanupTimeShifts = 4; [L453] int waterLevel = 1; [L454] int methaneLevelCritical = 0; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L367] int retValue_acc ; [L368] int tmp ; [L372] FCALL select_helpers() [L373] FCALL select_features() [L374] CALL, EXPR valid_product() [L444] int retValue_acc ; [L447] retValue_acc = 1 [L448] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L374] RET, EXPR valid_product() [L374] tmp = valid_product() [L376] COND TRUE \read(tmp) [L378] FCALL setup() [L379] CALL runTest() [L358] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L97] CALL startSystem() [L286] systemActive = 1 [L97] RET startSystem() [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; [L170] COND FALSE !(\read(pumpRunning)) [L185] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L393] int tmp ; [L394] int tmp___0 ; [L398] CALL, EXPR getWaterLevel() [L524] int retValue_acc ; [L527] retValue_acc = waterLevel [L528] return (retValue_acc); [L398] RET, EXPR getWaterLevel() [L398] tmp = getWaterLevel() [L400] COND FALSE !(tmp == 0) [L153] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L291] int cleanupTimeShifts = 4; [L453] int waterLevel = 1; [L454] int methaneLevelCritical = 0; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L367] int retValue_acc ; [L368] int tmp ; [L372] FCALL select_helpers() [L373] FCALL select_features() [L374] CALL, EXPR valid_product() [L444] int retValue_acc ; [L447] retValue_acc = 1 [L448] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L374] RET, EXPR valid_product() [L374] tmp = valid_product() [L376] COND TRUE \read(tmp) [L378] FCALL setup() [L379] CALL runTest() [L358] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L97] CALL startSystem() [L286] systemActive = 1 [L97] RET startSystem() [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; [L170] COND FALSE !(\read(pumpRunning)) [L185] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L393] int tmp ; [L394] int tmp___0 ; [L398] CALL, EXPR getWaterLevel() [L524] int retValue_acc ; [L527] retValue_acc = waterLevel [L528] return (retValue_acc); [L398] RET, EXPR getWaterLevel() [L398] tmp = getWaterLevel() [L400] COND FALSE !(tmp == 0) [L153] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 13:36:47,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46737f-648c-4276-a0c9-183ffab66111/bin/uautomizer-uyxdKDjOR8/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)