./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN --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 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 --- 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-6b4ec56 [2022-11-20 12:25:49,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:25:49,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:25:49,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:25:49,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:25:49,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:25:49,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:25:49,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:25:49,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:25:49,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:25:49,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:25:49,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:25:49,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:25:49,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:25:49,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:25:49,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:25:49,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:25:49,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:25:49,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:25:49,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:25:49,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:25:49,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:25:49,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:25:49,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:25:49,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:25:49,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:25:49,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:25:49,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:25:49,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:25:49,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:25:49,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:25:49,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:25:49,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:25:49,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:25:49,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:25:49,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:25:49,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:25:49,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:25:49,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:25:49,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:25:49,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:25:49,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:25:49,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:25:49,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:25:49,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:25:49,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:25:49,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:25:49,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:25:49,741 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:25:49,742 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:25:49,742 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:25:49,742 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:25:49,742 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:25:49,743 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:25:49,743 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:25:49,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:25:49,743 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:25:49,744 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:25:49,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:25:49,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:25:49,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:25:49,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:25:49,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:25:49,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:25:49,745 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:25:49,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:25:49,746 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:25:49,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:25:49,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:25:49,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:25:49,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:25:49,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:25:49,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:25:49,748 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:25:49,748 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_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 [2022-11-20 12:25:50,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:25:50,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:25:50,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:25:50,048 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:25:50,048 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:25:50,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2022-11-20 12:25:53,159 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:25:53,380 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:25:53,381 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2022-11-20 12:25:53,407 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/data/90390fe47/7261e5112abd49b291d6dd0e9e900d87/FLAGe6ed41c3c [2022-11-20 12:25:53,429 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/data/90390fe47/7261e5112abd49b291d6dd0e9e900d87 [2022-11-20 12:25:53,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:25:53,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:25:53,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:25:53,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:25:53,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:25:53,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:53,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@438185f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53, skipping insertion in model container [2022-11-20 12:25:53,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:53,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:25:53,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:25:53,724 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_af02fbe8-7718-4530-a35f-3d96d59bccd0/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2022-11-20 12:25:53,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:25:53,859 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:25:53,890 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_af02fbe8-7718-4530-a35f-3d96d59bccd0/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2022-11-20 12:25:53,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:25:53,982 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:25:53,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53 WrapperNode [2022-11-20 12:25:53,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:25:53,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:25:53,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:25:53,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:25:53,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:54,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:54,030 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 43, calls inlined = 34, statements flattened = 229 [2022-11-20 12:25:54,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:25:54,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:25:54,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:25:54,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:25:54,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:54,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:54,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:54,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:54,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:54,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:54,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:54,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:54,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:25:54,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:25:54,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:25:54,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:25:54,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (1/1) ... [2022-11-20 12:25:54,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:54,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:54,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:54,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:25:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:25:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:25:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:25:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:25:54,221 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:25:54,223 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:25:54,510 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:25:54,517 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:25:54,517 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:25:54,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:25:54 BoogieIcfgContainer [2022-11-20 12:25:54,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:25:54,521 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:25:54,521 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:25:54,537 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:25:54,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:25:54,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:25:53" (1/3) ... [2022-11-20 12:25:54,539 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea5cd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:25:54, skipping insertion in model container [2022-11-20 12:25:54,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:25:54,539 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:53" (2/3) ... [2022-11-20 12:25:54,540 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea5cd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:25:54, skipping insertion in model container [2022-11-20 12:25:54,540 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:25:54,540 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:25:54" (3/3) ... [2022-11-20 12:25:54,541 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2022-11-20 12:25:54,614 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:25:54,614 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:25:54,614 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:25:54,614 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:25:54,615 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:25:54,615 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:25:54,615 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:25:54,615 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:25:54,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:54,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-11-20 12:25:54,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:25:54,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:25:54,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:54,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:54,648 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:25:54,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:54,653 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-11-20 12:25:54,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:25:54,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:25:54,655 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:54,655 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:54,659 INFO L748 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 41#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 32#L450true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 68#L443true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 40#L458true main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 62#L854true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 30#L831true 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~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 22#L478-2true [2022-11-20 12:25:54,660 INFO L750 eck$LassoCheckResult]: Loop: 22#L478-2true assume !false; 77#L479true assume test_~splverifierCounter~0#1 < 4; 53#L480true test_~tmp~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 75#L488true assume !(0 != test_~tmp~3#1); 39#L488-2true test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 25#L498true assume !(0 != test_~tmp___0~0#1); 70#L498-2true test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 36#L508true assume 0 != test_~tmp___2~0#1; 79#L514-2true assume { :begin_inline_timeShift } true; 76#L550true assume !(0 != ~pumpRunning~0); 23#L550-2true assume !(0 != ~systemActive~0); 21#L557-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#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; 61#L741true __utac_acc__Specification4_spec__1_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret46#1;havoc __utac_acc__Specification4_spec__1_#t~ret46#1; 5#L754true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 17#L754-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 49#L567true assume { :end_inline_timeShift } true; 22#L478-2true [2022-11-20 12:25:54,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:54,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-20 12:25:54,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:54,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734397889] [2022-11-20 12:25:54,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:54,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:54,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:54,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:54,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:54,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1802262020, now seen corresponding path program 1 times [2022-11-20 12:25:54,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:54,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330686965] [2022-11-20 12:25:54,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:54,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:54,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:54,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:54,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:54,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1137286200, now seen corresponding path program 1 times [2022-11-20 12:25:54,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:54,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279217181] [2022-11-20 12:25:54,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:54,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:25:55,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:25:55,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279217181] [2022-11-20 12:25:55,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279217181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:25:55,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:25:55,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:25:55,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676869732] [2022-11-20 12:25:55,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:25:55,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:25:55,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:25:55,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:25:55,321 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:55,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:55,440 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2022-11-20 12:25:55,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 263 transitions. [2022-11-20 12:25:55,448 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2022-11-20 12:25:55,454 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 179 states and 233 transitions. [2022-11-20 12:25:55,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2022-11-20 12:25:55,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2022-11-20 12:25:55,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 233 transitions. [2022-11-20 12:25:55,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:25:55,458 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 233 transitions. [2022-11-20 12:25:55,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 233 transitions. [2022-11-20 12:25:55,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 118. [2022-11-20 12:25:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2022-11-20 12:25:55,492 INFO L240 hiAutomatonCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-11-20 12:25:55,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:25:55,497 INFO L428 stractBuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-11-20 12:25:55,497 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:25:55,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 154 transitions. [2022-11-20 12:25:55,499 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2022-11-20 12:25:55,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:25:55,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:25:55,500 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:55,500 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:55,501 INFO L748 eck$LassoCheckResult]: Stem: 369#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 354#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 345#L450 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 346#L443 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 352#L458 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 353#L854 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 344#L831 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~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 333#L478-2 [2022-11-20 12:25:55,501 INFO L750 eck$LassoCheckResult]: Loop: 333#L478-2 assume !false; 334#L479 assume test_~splverifierCounter~0#1 < 4; 362#L480 test_~tmp~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 363#L488 assume !(0 != test_~tmp~3#1); 313#L488-2 test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 337#L498 assume !(0 != test_~tmp___0~0#1); 339#L498-2 test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 349#L508 assume 0 != test_~tmp___2~0#1; 320#L514-2 assume { :begin_inline_timeShift } true; 372#L550 assume !(0 != ~pumpRunning~0); 325#L550-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 332#L574 assume { :end_inline_processEnvironment } true; 330#L557-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#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; 331#L741 __utac_acc__Specification4_spec__1_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret46#1;havoc __utac_acc__Specification4_spec__1_#t~ret46#1; 308#L754 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 309#L754-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 323#L567 assume { :end_inline_timeShift } true; 333#L478-2 [2022-11-20 12:25:55,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:55,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-20 12:25:55,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:55,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231268359] [2022-11-20 12:25:55,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:55,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:55,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:55,540 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:55,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:55,541 INFO L85 PathProgramCache]: Analyzing trace with hash 663627436, now seen corresponding path program 1 times [2022-11-20 12:25:55,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:55,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474186013] [2022-11-20 12:25:55,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:55,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:55,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:55,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:55,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:55,578 INFO L85 PathProgramCache]: Analyzing trace with hash -268054168, now seen corresponding path program 1 times [2022-11-20 12:25:55,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:55,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119815170] [2022-11-20 12:25:55,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:55,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:55,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:55,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:56,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:56,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:25:56 BoogieIcfgContainer [2022-11-20 12:25:56,726 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:25:56,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:25:56,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:25:56,728 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:25:56,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:25:54" (3/4) ... [2022-11-20 12:25:56,732 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 12:25:56,784 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:25:56,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:25:56,785 INFO L158 Benchmark]: Toolchain (without parser) took 3348.30ms. Allocated memory is still 184.5MB. Free memory was 138.0MB in the beginning and 119.5MB in the end (delta: 18.5MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2022-11-20 12:25:56,786 INFO L158 Benchmark]: CDTParser took 13.24ms. Allocated memory is still 127.9MB. Free memory was 91.9MB in the beginning and 104.8MB in the end (delta: -12.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:25:56,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.09ms. Allocated memory is still 184.5MB. Free memory was 138.0MB in the beginning and 120.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:25:56,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.88ms. Allocated memory is still 184.5MB. Free memory was 120.6MB in the beginning and 118.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:25:56,787 INFO L158 Benchmark]: Boogie Preprocessor took 24.49ms. Allocated memory is still 184.5MB. Free memory was 118.5MB in the beginning and 117.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:25:56,788 INFO L158 Benchmark]: RCFGBuilder took 464.08ms. Allocated memory is still 184.5MB. Free memory was 116.4MB in the beginning and 101.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 12:25:56,788 INFO L158 Benchmark]: BuchiAutomizer took 2205.00ms. Allocated memory is still 184.5MB. Free memory was 101.7MB in the beginning and 122.7MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:25:56,788 INFO L158 Benchmark]: Witness Printer took 57.28ms. Allocated memory is still 184.5MB. Free memory was 122.7MB in the beginning and 119.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:25:56,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 13.24ms. Allocated memory is still 127.9MB. Free memory was 91.9MB in the beginning and 104.8MB in the end (delta: -12.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.09ms. Allocated memory is still 184.5MB. Free memory was 138.0MB in the beginning and 120.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.88ms. Allocated memory is still 184.5MB. Free memory was 120.6MB in the beginning and 118.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.49ms. Allocated memory is still 184.5MB. Free memory was 118.5MB in the beginning and 117.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.08ms. Allocated memory is still 184.5MB. Free memory was 116.4MB in the beginning and 101.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2205.00ms. Allocated memory is still 184.5MB. Free memory was 101.7MB in the beginning and 122.7MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 57.28ms. Allocated memory is still 184.5MB. Free memory was 122.7MB in the beginning and 119.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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, 61 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, 334 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 654 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 563 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 91 mSDtfsCounter, 42 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: 478]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L542] int pumpRunning = 0; [L543] int systemActive = 1; [L666] int waterLevel = 1; [L667] int methaneLevelCritical = 0; [L772] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L845] int retValue_acc ; [L846] int tmp ; [L850] FCALL select_helpers() [L851] FCALL select_features() [L852] CALL, EXPR valid_product() [L454] int retValue_acc ; [L457] retValue_acc = 1 [L458] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L852] RET, EXPR valid_product() [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) [L856] FCALL setup() [L857] CALL runTest() [L839] CALL test() [L469] int splverifierCounter ; [L470] int tmp ; [L471] int tmp___0 ; [L472] int tmp___1 ; [L473] int tmp___2 ; [L476] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L478] COND TRUE 1 [L480] COND TRUE splverifierCounter < 4 [L486] tmp = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp)) [L496] tmp___0 = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp___0)) [L506] tmp___2 = __VERIFIER_nondet_int() [L508] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L550] COND FALSE !(\read(pumpRunning)) [L557] COND TRUE \read(systemActive) [L559] FCALL processEnvironment() [L565] CALL __utac_acc__Specification4_spec__1() [L747] int tmp ; [L748] int tmp___0 ; [L752] CALL, EXPR getWaterLevel() [L737] int retValue_acc ; [L740] retValue_acc = waterLevel [L741] return (retValue_acc); [L752] RET, EXPR getWaterLevel() [L752] tmp = getWaterLevel() [L754] COND FALSE !(tmp == 0) [L565] RET __utac_acc__Specification4_spec__1() [L523] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 478]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L542] int pumpRunning = 0; [L543] int systemActive = 1; [L666] int waterLevel = 1; [L667] int methaneLevelCritical = 0; [L772] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L845] int retValue_acc ; [L846] int tmp ; [L850] FCALL select_helpers() [L851] FCALL select_features() [L852] CALL, EXPR valid_product() [L454] int retValue_acc ; [L457] retValue_acc = 1 [L458] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L852] RET, EXPR valid_product() [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) [L856] FCALL setup() [L857] CALL runTest() [L839] CALL test() [L469] int splverifierCounter ; [L470] int tmp ; [L471] int tmp___0 ; [L472] int tmp___1 ; [L473] int tmp___2 ; [L476] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L478] COND TRUE 1 [L480] COND TRUE splverifierCounter < 4 [L486] tmp = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp)) [L496] tmp___0 = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp___0)) [L506] tmp___2 = __VERIFIER_nondet_int() [L508] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L550] COND FALSE !(\read(pumpRunning)) [L557] COND TRUE \read(systemActive) [L559] FCALL processEnvironment() [L565] CALL __utac_acc__Specification4_spec__1() [L747] int tmp ; [L748] int tmp___0 ; [L752] CALL, EXPR getWaterLevel() [L737] int retValue_acc ; [L740] retValue_acc = waterLevel [L741] return (retValue_acc); [L752] RET, EXPR getWaterLevel() [L752] tmp = getWaterLevel() [L754] COND FALSE !(tmp == 0) [L565] RET __utac_acc__Specification4_spec__1() [L523] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 12:25:56,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af02fbe8-7718-4530-a35f-3d96d59bccd0/bin/uautomizer-ug76WZFUDN/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)