./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 4e7fbc69 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_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/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_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS --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-4e7fbc6 [2022-11-23 03:40:36,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:40:36,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:40:36,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:40:36,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:40:36,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:40:36,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:40:36,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:40:36,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:40:36,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:40:36,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:40:36,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:40:36,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:40:36,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:40:36,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:40:36,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:40:36,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:40:36,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:40:36,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:40:36,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:40:36,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:40:36,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:40:36,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:40:36,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:40:36,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:40:36,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:40:36,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:40:36,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:40:36,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:40:36,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:40:36,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:40:36,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:40:36,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:40:36,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:40:36,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:40:36,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:40:36,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:40:36,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:40:36,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:40:36,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:40:36,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:40:36,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-23 03:40:36,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:40:36,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:40:36,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:40:36,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:40:36,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:40:36,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:40:36,992 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:40:36,993 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 03:40:36,993 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 03:40:36,993 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 03:40:36,995 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 03:40:36,996 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 03:40:36,996 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 03:40:36,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:40:36,997 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:40:36,997 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:40:36,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:40:36,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:40:36,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:40:36,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 03:40:36,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 03:40:36,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 03:40:37,000 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:40:37,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:40:37,001 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 03:40:37,002 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:40:37,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 03:40:37,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:40:37,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:40:37,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:40:37,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:40:37,006 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 03:40:37,006 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_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 [2022-11-23 03:40:37,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:40:37,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:40:37,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:40:37,417 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:40:37,417 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:40:37,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2022-11-23 03:40:40,851 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:40:41,112 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:40:41,113 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2022-11-23 03:40:41,126 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/data/3d8be4994/e1a7834c440b49a59018fa25cd831436/FLAG509beff82 [2022-11-23 03:40:41,158 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/data/3d8be4994/e1a7834c440b49a59018fa25cd831436 [2022-11-23 03:40:41,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:40:41,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:40:41,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:40:41,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:40:41,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:40:41,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5b4732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41, skipping insertion in model container [2022-11-23 03:40:41,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:40:41,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:40:41,402 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_7c9e6bf0-2887-422e-98ad-96bf85dd331d/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2022-11-23 03:40:41,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:40:41,531 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:40:41,549 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_7c9e6bf0-2887-422e-98ad-96bf85dd331d/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2022-11-23 03:40:41,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:40:41,628 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:40:41,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41 WrapperNode [2022-11-23 03:40:41,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:40:41,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:40:41,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:40:41,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:40:41,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,699 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 43, calls inlined = 34, statements flattened = 229 [2022-11-23 03:40:41,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:40:41,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:40:41,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:40:41,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:40:41,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,767 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:40:41,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:40:41,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:40:41,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:40:41,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (1/1) ... [2022-11-23 03:40:41,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:41,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:41,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:41,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 03:40:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:40:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:40:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:40:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:40:42,018 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:40:42,021 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:40:42,438 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:40:42,456 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:40:42,456 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 03:40:42,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:42 BoogieIcfgContainer [2022-11-23 03:40:42,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:40:42,460 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 03:40:42,460 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 03:40:42,480 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 03:40:42,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:40:42,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:40:41" (1/3) ... [2022-11-23 03:40:42,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40eb0254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:40:42, skipping insertion in model container [2022-11-23 03:40:42,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:40:42,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:41" (2/3) ... [2022-11-23 03:40:42,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40eb0254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:40:42, skipping insertion in model container [2022-11-23 03:40:42,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:40:42,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:42" (3/3) ... [2022-11-23 03:40:42,486 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2022-11-23 03:40:42,568 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 03:40:42,568 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 03:40:42,569 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 03:40:42,569 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 03:40:42,569 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 03:40:42,569 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 03:40:42,569 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 03:40:42,570 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 03:40:42,575 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) [2022-11-23 03:40:42,604 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-11-23 03:40:42,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:40:42,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:40:42,613 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:40:42,613 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:40:42,614 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 03:40:42,616 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) [2022-11-23 03:40:42,632 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-11-23 03:40:42,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:40:42,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:40:42,634 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:40:42,635 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:40:42,642 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 [2022-11-23 03:40:42,647 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 [2022-11-23 03:40:42,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:40:42,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-23 03:40:42,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:40:42,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924758930] [2022-11-23 03:40:42,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:40:42,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:40:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:42,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:40:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:42,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:40:42,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:40:42,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1802262020, now seen corresponding path program 1 times [2022-11-23 03:40:42,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:40:42,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038250064] [2022-11-23 03:40:42,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:40:42,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:40:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:42,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:40:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:43,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:40:43,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:40:43,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1137286200, now seen corresponding path program 1 times [2022-11-23 03:40:43,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:40:43,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773516293] [2022-11-23 03:40:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:40:43,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:40:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:40:43,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:40:43,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:40:43,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773516293] [2022-11-23 03:40:43,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773516293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:40:43,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:40:43,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:40:43,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135424354] [2022-11-23 03:40:43,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:40:43,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:40:43,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:40:43,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:40:43,579 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) [2022-11-23 03:40:43,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:40:43,759 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2022-11-23 03:40:43,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 263 transitions. [2022-11-23 03:40:43,766 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2022-11-23 03:40:43,773 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 179 states and 233 transitions. [2022-11-23 03:40:43,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2022-11-23 03:40:43,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2022-11-23 03:40:43,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 233 transitions. [2022-11-23 03:40:43,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:40:43,778 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 233 transitions. [2022-11-23 03:40:43,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 233 transitions. [2022-11-23 03:40:43,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 118. [2022-11-23 03:40:43,813 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) [2022-11-23 03:40:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2022-11-23 03:40:43,818 INFO L240 hiAutomatonCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-11-23 03:40:43,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:40:43,823 INFO L428 stractBuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-11-23 03:40:43,824 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 03:40:43,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 154 transitions. [2022-11-23 03:40:43,826 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2022-11-23 03:40:43,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:40:43,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:40:43,827 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:40:43,827 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:40:43,828 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 [2022-11-23 03:40:43,828 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 [2022-11-23 03:40:43,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:40:43,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-23 03:40:43,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:40:43,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774565213] [2022-11-23 03:40:43,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:40:43,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:40:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:43,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:40:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:43,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:40:43,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:40:43,875 INFO L85 PathProgramCache]: Analyzing trace with hash 663627436, now seen corresponding path program 1 times [2022-11-23 03:40:43,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:40:43,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588409733] [2022-11-23 03:40:43,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:40:43,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:40:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:43,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:40:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:43,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:40:43,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:40:43,896 INFO L85 PathProgramCache]: Analyzing trace with hash -268054168, now seen corresponding path program 1 times [2022-11-23 03:40:43,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:40:43,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607182811] [2022-11-23 03:40:43,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:40:43,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:40:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:43,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:40:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:43,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:40:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:45,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:40:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:45,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:40:45 BoogieIcfgContainer [2022-11-23 03:40:45,407 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 03:40:45,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:40:45,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:40:45,408 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:40:45,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:42" (3/4) ... [2022-11-23 03:40:45,411 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-23 03:40:45,467 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:40:45,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:40:45,468 INFO L158 Benchmark]: Toolchain (without parser) took 4305.84ms. Allocated memory is still 176.2MB. Free memory was 130.6MB in the beginning and 103.0MB in the end (delta: 27.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-11-23 03:40:45,469 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:40:45,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.06ms. Allocated memory is still 176.2MB. Free memory was 130.6MB in the beginning and 112.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 03:40:45,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.56ms. Allocated memory is still 176.2MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:40:45,471 INFO L158 Benchmark]: Boogie Preprocessor took 71.29ms. Allocated memory is still 176.2MB. Free memory was 110.5MB in the beginning and 109.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:40:45,471 INFO L158 Benchmark]: RCFGBuilder took 687.16ms. Allocated memory is still 176.2MB. Free memory was 109.1MB in the beginning and 94.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:40:45,472 INFO L158 Benchmark]: BuchiAutomizer took 2946.77ms. Allocated memory is still 176.2MB. Free memory was 94.2MB in the beginning and 105.0MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:40:45,473 INFO L158 Benchmark]: Witness Printer took 59.81ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:40:45,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.06ms. Allocated memory is still 176.2MB. Free memory was 130.6MB in the beginning and 112.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.56ms. Allocated memory is still 176.2MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.29ms. Allocated memory is still 176.2MB. Free memory was 110.5MB in the beginning and 109.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 687.16ms. Allocated memory is still 176.2MB. Free memory was 109.1MB in the beginning and 94.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2946.77ms. Allocated memory is still 176.2MB. Free memory was 94.2MB in the beginning and 105.0MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.81ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 103.0MB 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 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 0.1s 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! [2022-11-23 03:40:45,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9e6bf0-2887-422e-98ad-96bf85dd331d/bin/uautomizer-QkZJyEgLgS/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)