./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be --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 8ef3a2966212a62c51376d0bc71e8b6c4dafa6b54b639f6f7c53dd815ae9709e ...................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:52:49,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:52:49,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:52:49,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:52:49,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:52:49,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:52:49,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:52:49,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:52:49,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:52:49,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:52:49,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:52:49,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:52:49,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:52:49,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:52:49,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:52:49,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:52:49,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:52:49,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:52:49,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:52:49,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:52:49,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:52:49,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:52:49,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:52:49,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:52:49,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:52:49,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:52:49,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:52:49,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:52:49,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:52:49,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:52:49,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:52:49,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:52:49,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:52:49,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:52:49,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:52:49,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:52:49,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:52:49,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:52:49,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:52:49,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:52:49,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:52:49,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:52:49,872 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:52:49,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:52:49,873 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:52:49,873 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:52:49,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:52:49,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:52:49,875 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:52:49,875 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:52:49,875 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:52:49,875 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:52:49,876 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:52:49,876 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:52:49,876 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:52:49,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:52:49,877 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:52:49,877 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:52:49,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:52:49,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:52:49,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:52:49,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:52:49,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:52:49,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:52:49,878 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:52:49,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:52:49,879 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:52:49,879 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:52:49,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:52:49,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:52:49,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:52:49,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:52:49,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:52:49,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:52:49,881 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:52:49,882 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_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef3a2966212a62c51376d0bc71e8b6c4dafa6b54b639f6f7c53dd815ae9709e [2021-10-21 19:52:50,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:52:50,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:52:50,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:52:50,124 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:52:50,125 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:52:50,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-21 19:52:50,210 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/data/ed596a783/f44d204f64f7414683976d9026e52188/FLAG9d5504ca9 [2021-10-21 19:52:50,742 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:52:50,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-21 19:52:50,759 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/data/ed596a783/f44d204f64f7414683976d9026e52188/FLAG9d5504ca9 [2021-10-21 19:52:51,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/data/ed596a783/f44d204f64f7414683976d9026e52188 [2021-10-21 19:52:51,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:52:51,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:52:51,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:52:51,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:52:51,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:52:51,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559753bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51, skipping insertion in model container [2021-10-21 19:52:51,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:52:51,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:52:51,345 WARN L228 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_83749542-5b3b-402c-b571-2185da2cc0f4/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1605,1618] [2021-10-21 19:52:51,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:52:51,510 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:52:51,524 WARN L228 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_83749542-5b3b-402c-b571-2185da2cc0f4/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1605,1618] [2021-10-21 19:52:51,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:52:51,655 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:52:51,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51 WrapperNode [2021-10-21 19:52:51,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:52:51,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:52:51,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:52:51,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:52:51,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:52:51,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:52:51,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:52:51,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:52:51,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:52:51,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:52:51,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:52:51,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:52:51,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51" (1/1) ... [2021-10-21 19:52:51,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:51,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:51,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:51,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:52:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:52:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:52:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:52:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:52:52,565 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:52:52,566 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-21 19:52:52,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:52 BoogieIcfgContainer [2021-10-21 19:52:52,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:52:52,569 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:52:52,569 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:52:52,573 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:52:52,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:52:52,574 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:52:51" (1/3) ... [2021-10-21 19:52:52,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70a8df11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:52:52, skipping insertion in model container [2021-10-21 19:52:52,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:52:52,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:51" (2/3) ... [2021-10-21 19:52:52,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70a8df11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:52:52, skipping insertion in model container [2021-10-21 19:52:52,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:52:52,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:52" (3/3) ... [2021-10-21 19:52:52,578 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2021-10-21 19:52:52,624 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:52:52,624 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:52:52,624 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:52:52,624 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:52:52,625 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:52:52,625 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:52:52,625 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:52:52,625 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:52:52,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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) [2021-10-21 19:52:52,662 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-21 19:52:52,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:52:52,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:52:52,671 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:52:52,671 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:52,671 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:52:52,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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) [2021-10-21 19:52:52,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-21 19:52:52,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:52:52,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:52:52,678 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:52:52,678 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:52,683 INFO L791 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 36#L-1true havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 44#L84true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 40#L92true main_#t~ret76 := valid_product_#res;main_~tmp~5 := main_#t~ret76;havoc main_#t~ret76; 35#L847true assume 0 != main_~tmp~5; 27#L824true havoc test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 28#L381-1true [2021-10-21 19:52:52,684 INFO L793 eck$LassoCheckResult]: Loop: 28#L381-1true assume !false; 51#L236true assume test_~splverifierCounter~0 < 4; 29#L237true test_~tmp~0 := test_#t~nondet25;havoc test_#t~nondet25; 24#L245true assume !(0 != test_~tmp~0); 26#L245-1true test_~tmp___0~0 := test_#t~nondet26;havoc test_#t~nondet26; 17#L255true assume !(0 != test_~tmp___0~0); 31#L255-1true test_~tmp___2~0 := test_#t~nondet27;havoc test_#t~nondet27; 5#L265true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 39#L273-2true assume !(0 != ~pumpRunning~0); 47#L114true assume 0 != ~systemActive~0; 22#L121true havoc __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_#t~ret40, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 38#L368true __utac_acc__Specification4_spec__1_#t~ret39 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; 56#L381true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 28#L381-1true [2021-10-21 19:52:52,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:52,690 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-21 19:52:52,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:52,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441156199] [2021-10-21 19:52:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:52,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:52,972 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:52:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:53,191 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:52:53,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:53,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619226, now seen corresponding path program 1 times [2021-10-21 19:52:53,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:53,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444539218] [2021-10-21 19:52:53,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:53,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:53,218 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:52:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:53,231 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:52:53,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:53,233 INFO L82 PathProgramCache]: Analyzing trace with hash 32659712, now seen corresponding path program 1 times [2021-10-21 19:52:53,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:53,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995267287] [2021-10-21 19:52:53,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:53,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:53,339 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:52:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:53,473 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:53:55,162 WARN L207 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-21 19:55:01,879 WARN L207 SmtUtils]: Spent 32.87 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-21 19:55:02,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:55:02 BoogieIcfgContainer [2021-10-21 19:55:02,095 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:55:02,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:55:02,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:55:02,098 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:55:02,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:52" (3/4) ... [2021-10-21 19:55:02,102 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 19:55:02,166 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:55:02,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:55:02,168 INFO L168 Benchmark]: Toolchain (without parser) took 131129.29 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 71.4 MB in the beginning and 73.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:02,169 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 81.8 MB. Free memory is still 38.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:55:02,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.15 ms. Allocated memory is still 104.9 MB. Free memory was 71.4 MB in the beginning and 72.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:02,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.25 ms. Allocated memory is still 104.9 MB. Free memory was 72.6 MB in the beginning and 69.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:02,171 INFO L168 Benchmark]: Boogie Preprocessor took 33.47 ms. Allocated memory is still 104.9 MB. Free memory was 69.6 MB in the beginning and 68.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:55:02,172 INFO L168 Benchmark]: RCFGBuilder took 783.30 ms. Allocated memory is still 104.9 MB. Free memory was 68.0 MB in the beginning and 67.6 MB in the end (delta: 365.7 kB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:02,173 INFO L168 Benchmark]: BuchiAutomizer took 129526.26 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 67.6 MB in the beginning and 75.2 MB in the end (delta: -7.6 MB). Peak memory consumption was 64.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:02,173 INFO L168 Benchmark]: Witness Printer took 69.48 ms. Allocated memory is still 125.8 MB. Free memory was 75.2 MB in the beginning and 73.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:02,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 81.8 MB. Free memory is still 38.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 616.15 ms. Allocated memory is still 104.9 MB. Free memory was 71.4 MB in the beginning and 72.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.25 ms. Allocated memory is still 104.9 MB. Free memory was 72.6 MB in the beginning and 69.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.47 ms. Allocated memory is still 104.9 MB. Free memory was 69.6 MB in the beginning and 68.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 783.30 ms. Allocated memory is still 104.9 MB. Free memory was 68.0 MB in the beginning and 67.6 MB in the end (delta: 365.7 kB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 129526.26 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 67.6 MB in the beginning and 75.2 MB in the end (delta: -7.6 MB). Peak memory consumption was 64.5 MB. Max. memory is 16.1 GB. * Witness Printer took 69.48 ms. Allocated memory is still 125.8 MB. Free memory was 75.2 MB in the beginning and 73.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 129.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 129.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 235]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=23109} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=23132, NULL=0, NULL=23109, NULL=23110, NULL=0, NULL=0, NULL=23137, NULL=23126, retValue_acc=0, NULL=23122, NULL=23125, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b6d5bba=0, NULL=0, NULL=0, NULL=23118, tmp___1=0, NULL=0, NULL=0, NULL=23127, NULL=23112, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=23114, NULL=23133, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69c8ab3c=0, NULL=0, systemActive=1, waterLevel=1, NULL=23111, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=23135, NULL=0, tmp___0=0, NULL=23119, NULL=23131, \result=1, NULL=23128, head=0, pumpRunning=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2008d15d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d81f689=64, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e26e5cf=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1de8ad5b=0, NULL=0, tmp=1, NULL=0, NULL=23124, NULL=23115, tmp=1, NULL=0, NULL=0, NULL=0, NULL=23134, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41ce37d1=0, tmp___2=64, NULL=23113, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=0, NULL=23123, NULL=23136, NULL=23121, NULL=23117, head=0, NULL=23116, NULL=0, NULL=0, NULL=23129, NULL=23130, NULL=0, NULL=23120} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L106] int pumpRunning = 0; [L107] int systemActive = 1; [L293] int waterLevel = 1; [L294] int methaneLevelCritical = 0; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int cleanupTimeShifts = 4; [L838] int retValue_acc ; [L839] int tmp ; [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); [L845] tmp = valid_product() [L847] COND TRUE \read(tmp) [L226] int splverifierCounter ; [L227] int tmp ; [L228] int tmp___0 ; [L229] int tmp___1 ; [L230] int tmp___2 ; [L233] splverifierCounter = 0 Loop: [L235] COND TRUE 1 [L237] COND TRUE splverifierCounter < 4 [L243] tmp = __VERIFIER_nondet_int() [L245] COND FALSE !(\read(tmp)) [L253] tmp___0 = __VERIFIER_nondet_int() [L255] COND FALSE !(\read(tmp___0)) [L263] tmp___2 = __VERIFIER_nondet_int() [L265] COND TRUE \read(tmp___2) [L217] systemActive = 1 [L114] COND FALSE !(\read(pumpRunning)) [L121] COND TRUE \read(systemActive) [L374] int tmp ; [L375] int tmp___0 ; [L364] int retValue_acc ; [L367] retValue_acc = waterLevel [L368] return (retValue_acc); [L379] tmp = getWaterLevel() [L381] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-21 19:55:02,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83749542-5b3b-402c-b571-2185da2cc0f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...