./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.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_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/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_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/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_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/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 a933c7098679a6972748d486040a9bdf507acce33a33e1309286157bdff8c762 --- 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 11:17:14,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:17:14,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:17:14,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:17:14,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:17:14,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:17:14,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:17:14,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:17:14,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:17:14,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:17:14,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:17:14,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:17:14,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:17:14,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:17:14,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:17:14,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:17:14,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:17:14,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:17:14,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:17:14,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:17:14,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:17:14,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:17:14,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:17:14,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:17:14,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:17:14,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:17:14,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:17:14,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:17:14,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:17:14,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:17:14,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:17:14,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:17:14,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:17:14,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:17:14,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:17:14,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:17:14,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:17:14,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:17:14,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:17:14,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:17:14,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:17:14,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 11:17:14,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:17:14,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:17:14,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:17:14,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:17:14,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:17:14,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:17:14,580 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:17:14,580 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 11:17:14,581 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 11:17:14,581 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 11:17:14,581 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 11:17:14,581 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 11:17:14,581 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 11:17:14,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:17:14,582 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:17:14,582 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:17:14,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:17:14,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:17:14,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:17:14,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 11:17:14,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 11:17:14,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 11:17:14,583 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:17:14,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:17:14,583 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 11:17:14,583 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:17:14,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 11:17:14,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:17:14,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:17:14,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:17:14,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:17:14,585 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 11:17:14,585 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_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a933c7098679a6972748d486040a9bdf507acce33a33e1309286157bdff8c762 [2022-12-13 11:17:14,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:17:14,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:17:14,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:17:14,773 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:17:14,774 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:17:14,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2022-12-13 11:17:17,396 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:17:17,561 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:17:17,562 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2022-12-13 11:17:17,569 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8/data/8f47ef670/6e14ac85253f4e6980f77e256acb1c34/FLAG6dc16890d [2022-12-13 11:17:17,579 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8/data/8f47ef670/6e14ac85253f4e6980f77e256acb1c34 [2022-12-13 11:17:17,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:17:17,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:17:17,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:17:17,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:17:17,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:17:17,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1592421f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17, skipping insertion in model container [2022-12-13 11:17:17,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:17:17,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:17:17,797 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_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c[18260,18273] [2022-12-13 11:17:17,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:17:17,808 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:17:17,851 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_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c[18260,18273] [2022-12-13 11:17:17,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:17:17,864 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:17:17,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17 WrapperNode [2022-12-13 11:17:17,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:17:17,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:17:17,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:17:17,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:17:17,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,902 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 53, calls inlined = 80, statements flattened = 511 [2022-12-13 11:17:17,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:17:17,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:17:17,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:17:17,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:17:17,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,922 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:17:17,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:17:17,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:17:17,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:17:17,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (1/1) ... [2022-12-13 11:17:17,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:17:17,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:17:17,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:17:17,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 11:17:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:17:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:17:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:17:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:17:18,052 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:17:18,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:17:18,344 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:17:18,350 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:17:18,350 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 11:17:18,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:17:18 BoogieIcfgContainer [2022-12-13 11:17:18,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:17:18,353 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 11:17:18,353 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 11:17:18,357 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 11:17:18,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:17:18,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 11:17:17" (1/3) ... [2022-12-13 11:17:18,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79153fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:17:18, skipping insertion in model container [2022-12-13 11:17:18,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:17:18,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:17:17" (2/3) ... [2022-12-13 11:17:18,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79153fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:17:18, skipping insertion in model container [2022-12-13 11:17:18,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:17:18,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:17:18" (3/3) ... [2022-12-13 11:17:18,361 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2022-12-13 11:17:18,419 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 11:17:18,419 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 11:17:18,419 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 11:17:18,419 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 11:17:18,420 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 11:17:18,420 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 11:17:18,420 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 11:17:18,420 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 11:17:18,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 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 11:17:18,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-12-13 11:17:18,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:17:18,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:17:18,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:17:18,450 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 11:17:18,450 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 11:17:18,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 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 11:17:18,457 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-12-13 11:17:18,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:17:18,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:17:18,458 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:17:18,458 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 11:17:18,462 INFO L748 eck$LassoCheckResult]: Stem: 32#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 43#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 28#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 132#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 109#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 67#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 87#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 25#L532-2true [2022-12-13 11:17:18,463 INFO L750 eck$LassoCheckResult]: Loop: 25#L532-2true assume !false; 151#L533true assume test_~splverifierCounter~0#1 < 4; 108#L534true test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 17#L542true assume !(0 != test_~tmp~4#1); 99#L542-2true test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 44#L552true assume !(0 != test_~tmp___0~0#1); 71#L552-2true test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 101#L562true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 42#L570true assume !(0 != test_~tmp___1~0#1); 58#L570-2true assume { :begin_inline_timeShift } true; 22#L606true assume !(0 != ~pumpRunning~0); 111#L606-2true assume !(0 != ~systemActive~0); 148#L613-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 76#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 46#L899true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 122#L899-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 77#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 25#L532-2true [2022-12-13 11:17:18,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:18,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 11:17:18,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:17:18,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095033290] [2022-12-13 11:17:18,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:17:18,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:17:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:18,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:17:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:18,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:17:18,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:18,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1405376753, now seen corresponding path program 1 times [2022-12-13 11:17:18,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:17:18,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012420530] [2022-12-13 11:17:18,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:17:18,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:17:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:18,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:17:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:18,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:17:18,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:18,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1957908939, now seen corresponding path program 1 times [2022-12-13 11:17:18,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:17:18,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438378195] [2022-12-13 11:17:18,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:17:18,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:17:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:18,781 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 11:17:18,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:17:18,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438378195] [2022-12-13 11:17:18,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438378195] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:17:18,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:17:18,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:17:18,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724920646] [2022-12-13 11:17:18,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:17:18,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:17:18,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:17:18,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:17:18,924 INFO L87 Difference]: Start difference. First operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 11:17:19,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:17:19,055 INFO L93 Difference]: Finished difference Result 504 states and 647 transitions. [2022-12-13 11:17:19,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 504 states and 647 transitions. [2022-12-13 11:17:19,065 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 328 [2022-12-13 11:17:19,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 504 states to 464 states and 607 transitions. [2022-12-13 11:17:19,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 464 [2022-12-13 11:17:19,078 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 464 [2022-12-13 11:17:19,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 464 states and 607 transitions. [2022-12-13 11:17:19,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:17:19,081 INFO L218 hiAutomatonCegarLoop]: Abstraction has 464 states and 607 transitions. [2022-12-13 11:17:19,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states and 607 transitions. [2022-12-13 11:17:19,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 194. [2022-12-13 11:17:19,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 194 states have (on average 1.309278350515464) internal successors, (254), 193 states have internal predecessors, (254), 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 11:17:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2022-12-13 11:17:19,116 INFO L240 hiAutomatonCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-12-13 11:17:19,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:17:19,120 INFO L428 stractBuchiCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-12-13 11:17:19,120 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 11:17:19,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 194 states and 254 transitions. [2022-12-13 11:17:19,122 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 137 [2022-12-13 11:17:19,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:17:19,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:17:19,122 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:17:19,122 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] [2022-12-13 11:17:19,123 INFO L748 eck$LassoCheckResult]: Stem: 732#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 733#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 728#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 729#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 806#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 776#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 777#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 720#L532-2 [2022-12-13 11:17:19,123 INFO L750 eck$LassoCheckResult]: Loop: 720#L532-2 assume !false; 721#L533 assume test_~splverifierCounter~0#1 < 4; 805#L534 test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 704#L542 assume !(0 != test_~tmp~4#1); 706#L542-2 test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 750#L552 assume !(0 != test_~tmp___0~0#1); 690#L552-2 test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 780#L562 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 768#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 749#L570-2 assume { :begin_inline_timeShift } true; 714#L606 assume !(0 != ~pumpRunning~0); 715#L606-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 743#L664 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret32#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1; 707#L638-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 677#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 678#L638-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 738#L664-1 assume { :end_inline_processEnvironment } true; 739#L613-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 783#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 753#L899 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 755#L899-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 784#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 720#L532-2 [2022-12-13 11:17:19,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:19,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 11:17:19,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:17:19,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158468473] [2022-12-13 11:17:19,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:17:19,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:17:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:19,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:17:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:19,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:17:19,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:19,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1764513710, now seen corresponding path program 1 times [2022-12-13 11:17:19,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:17:19,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625560627] [2022-12-13 11:17:19,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:17:19,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:17:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:19,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:17:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:19,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:17:19,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:19,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1413610894, now seen corresponding path program 1 times [2022-12-13 11:17:19,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:17:19,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218410149] [2022-12-13 11:17:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:17:19,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:17:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:19,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:17:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:19,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:17:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:19,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:17:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:19,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 11:17:19 BoogieIcfgContainer [2022-12-13 11:17:19,888 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 11:17:19,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:17:19,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:17:19,889 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:17:19,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:17:18" (3/4) ... [2022-12-13 11:17:19,891 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 11:17:19,922 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:17:19,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:17:19,923 INFO L158 Benchmark]: Toolchain (without parser) took 2340.66ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 110.0MB in the beginning and 133.1MB in the end (delta: -23.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-12-13 11:17:19,923 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:17:19,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.16ms. Allocated memory is still 155.2MB. Free memory was 110.0MB in the beginning and 91.7MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 11:17:19,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.76ms. Allocated memory is still 155.2MB. Free memory was 91.7MB in the beginning and 88.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:17:19,924 INFO L158 Benchmark]: Boogie Preprocessor took 22.54ms. Allocated memory is still 155.2MB. Free memory was 88.5MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:17:19,924 INFO L158 Benchmark]: RCFGBuilder took 426.45ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 64.4MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 11:17:19,924 INFO L158 Benchmark]: BuchiAutomizer took 1535.07ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 64.4MB in the beginning and 135.2MB in the end (delta: -70.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:17:19,925 INFO L158 Benchmark]: Witness Printer took 33.68ms. Allocated memory is still 203.4MB. Free memory was 135.2MB in the beginning and 133.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:17:19,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.16ms. Allocated memory is still 155.2MB. Free memory was 110.0MB in the beginning and 91.7MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.76ms. Allocated memory is still 155.2MB. Free memory was 91.7MB in the beginning and 88.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.54ms. Allocated memory is still 155.2MB. Free memory was 88.5MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.45ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 64.4MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1535.07ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 64.4MB in the beginning and 135.2MB in the end (delta: -70.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.68ms. Allocated memory is still 203.4MB. Free memory was 135.2MB in the beginning and 133.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 194 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 270 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 911 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 911 mSDsluCounter, 1401 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1201 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 200 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 532]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L801] int waterLevel = 1; [L802] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L943] int retValue_acc ; [L946] retValue_acc = 1 [L947] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L523] int splverifierCounter ; [L524] int tmp ; [L525] int tmp___0 ; [L526] int tmp___1 ; [L527] int tmp___2 ; [L530] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L532] COND TRUE 1 [L534] COND TRUE splverifierCounter < 4 [L540] tmp = __VERIFIER_nondet_int() [L542] COND FALSE !(\read(tmp)) [L550] tmp___0 = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp___0)) [L560] tmp___2 = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp___2) [L564] CALL startSystem() [L795] systemActive = 1 [L564] RET startSystem() [L579] CALL timeShift() [L606] COND FALSE !(\read(pumpRunning)) [L613] COND TRUE \read(systemActive) [L615] CALL processEnvironment() [L661] int tmp ; [L664] COND FALSE !(\read(pumpRunning)) [L679] CALL processEnvironment__wrappee__lowWaterSensor() [L635] int tmp ; [L638] COND FALSE !(\read(pumpRunning)) [L653] FCALL processEnvironment__wrappee__base() [L679] RET processEnvironment__wrappee__lowWaterSensor() [L615] RET processEnvironment() [L621] CALL __utac_acc__Specification4_spec__1() [L892] int tmp ; [L893] int tmp___0 ; [L897] CALL, EXPR getWaterLevel() [L872] int retValue_acc ; [L875] retValue_acc = waterLevel [L876] return (retValue_acc); [L897] RET, EXPR getWaterLevel() [L897] tmp = getWaterLevel() [L899] COND FALSE !(tmp == 0) [L621] RET __utac_acc__Specification4_spec__1() [L579] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 532]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L801] int waterLevel = 1; [L802] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L943] int retValue_acc ; [L946] retValue_acc = 1 [L947] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L523] int splverifierCounter ; [L524] int tmp ; [L525] int tmp___0 ; [L526] int tmp___1 ; [L527] int tmp___2 ; [L530] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L532] COND TRUE 1 [L534] COND TRUE splverifierCounter < 4 [L540] tmp = __VERIFIER_nondet_int() [L542] COND FALSE !(\read(tmp)) [L550] tmp___0 = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp___0)) [L560] tmp___2 = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp___2) [L564] CALL startSystem() [L795] systemActive = 1 [L564] RET startSystem() [L579] CALL timeShift() [L606] COND FALSE !(\read(pumpRunning)) [L613] COND TRUE \read(systemActive) [L615] CALL processEnvironment() [L661] int tmp ; [L664] COND FALSE !(\read(pumpRunning)) [L679] CALL processEnvironment__wrappee__lowWaterSensor() [L635] int tmp ; [L638] COND FALSE !(\read(pumpRunning)) [L653] FCALL processEnvironment__wrappee__base() [L679] RET processEnvironment__wrappee__lowWaterSensor() [L615] RET processEnvironment() [L621] CALL __utac_acc__Specification4_spec__1() [L892] int tmp ; [L893] int tmp___0 ; [L897] CALL, EXPR getWaterLevel() [L872] int retValue_acc ; [L875] retValue_acc = waterLevel [L876] return (retValue_acc); [L897] RET, EXPR getWaterLevel() [L897] tmp = getWaterLevel() [L899] COND FALSE !(tmp == 0) [L621] RET __utac_acc__Specification4_spec__1() [L579] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 11:17:19,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcba2fe-33f6-46bb-a28b-3025374ea5ff/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)