./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.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_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/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_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/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_9ea58bb6-9080-4967-9922-310af6021320/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 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b ....................................................................................................................................................................................................................................................................................................................................................................................... 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 19:13:54,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:13:54,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:13:54,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:13:54,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:13:54,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:13:54,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:13:54,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:13:54,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:13:54,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:13:54,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:13:54,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:13:54,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:13:54,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:13:54,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:13:54,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:13:54,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:13:54,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:13:54,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:13:54,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:13:54,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:13:54,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:13:54,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:13:54,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:13:54,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:13:54,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:13:54,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:13:54,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:13:54,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:13:54,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:13:54,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:13:54,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:13:54,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:13:54,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:13:54,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:13:54,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:13:54,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:13:54,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:13:54,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:13:54,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:13:54,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:13:54,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:13:54,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:13:54,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:13:54,999 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:13:55,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:13:55,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:13:55,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:13:55,001 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:13:55,001 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:13:55,001 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:13:55,002 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:13:55,002 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:13:55,002 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:13:55,002 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:13:55,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:13:55,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:13:55,003 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:13:55,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:13:55,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:13:55,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:13:55,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:13:55,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:13:55,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:13:55,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:13:55,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:13:55,004 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:13:55,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:13:55,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:13:55,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:13:55,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:13:55,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:13:55,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:13:55,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:13:55,010 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:13:55,010 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_9ea58bb6-9080-4967-9922-310af6021320/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b [2021-10-21 19:13:55,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:13:55,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:13:55,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:13:55,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:13:55,353 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:13:55,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2021-10-21 19:13:55,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/data/c212057fc/586a15fde9304c5193aef12e5a32b919/FLAGddb0b76d7 [2021-10-21 19:13:55,999 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:13:55,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2021-10-21 19:13:56,011 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/data/c212057fc/586a15fde9304c5193aef12e5a32b919/FLAGddb0b76d7 [2021-10-21 19:13:56,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/data/c212057fc/586a15fde9304c5193aef12e5a32b919 [2021-10-21 19:13:56,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:13:56,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:13:56,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:13:56,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:13:56,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:13:56,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:56,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565521f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56, skipping insertion in model container [2021-10-21 19:13:56,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:56,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:13:56,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:13:56,672 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_9ea58bb6-9080-4967-9922-310af6021320/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2021-10-21 19:13:56,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:13:56,835 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:13:56,872 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_9ea58bb6-9080-4967-9922-310af6021320/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2021-10-21 19:13:56,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:13:56,938 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:13:56,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56 WrapperNode [2021-10-21 19:13:56,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:13:56,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:13:56,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:13:56,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:13:56,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:56,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:57,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:13:57,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:13:57,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:13:57,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:13:57,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:57,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:57,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:57,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:57,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:57,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:57,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:57,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:13:57,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:13:57,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:13:57,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:13:57,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56" (1/1) ... [2021-10-21 19:13:57,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:13:57,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:13:57,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:13:57,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:13:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:13:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:13:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:13:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:13:57,936 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:13:57,937 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-21 19:13:57,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:13:57 BoogieIcfgContainer [2021-10-21 19:13:57,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:13:57,940 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:13:57,940 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:13:57,943 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:13:57,944 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:13:57,944 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:13:56" (1/3) ... [2021-10-21 19:13:57,945 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f4aca04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:13:57, skipping insertion in model container [2021-10-21 19:13:57,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:13:57,946 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:56" (2/3) ... [2021-10-21 19:13:57,946 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f4aca04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:13:57, skipping insertion in model container [2021-10-21 19:13:57,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:13:57,947 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:13:57" (3/3) ... [2021-10-21 19:13:57,948 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2021-10-21 19:13:58,000 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:13:58,000 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:13:58,001 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:13:58,001 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:13:58,001 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:13:58,001 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:13:58,001 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:13:58,002 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:13:58,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 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 19:13:58,051 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-21 19:13:58,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:13:58,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:13:58,060 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:13:58,060 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:58,060 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:13:58,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 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 19:13:58,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-21 19:13:58,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:13:58,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:13:58,076 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:13:58,076 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:58,087 INFO L791 eck$LassoCheckResult]: Stem: 48#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(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(77, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(101, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(116, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(104, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string14.base, #t~string14.offset, 1);call write~init~int(82, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(73, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(84, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 4 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(75, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 39#L-1true havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 59#L75true 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; 21#L83true main_#t~ret8 := valid_product_#res;main_~tmp~0 := main_#t~ret8;havoc main_#t~ret8; 5#L175true assume 0 != main_~tmp~0; 14#L151true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 47#L291-1true [2021-10-21 19:13:58,088 INFO L793 eck$LassoCheckResult]: Loop: 47#L291-1true assume !false; 51#L687true assume test_~splverifierCounter~0 < 4; 28#L688true test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 42#L696true assume !(0 != test_~tmp~5); 34#L696-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 40#L706true assume !(0 != test_~tmp___0~1); 37#L706-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 43#L716true assume 0 != test_~tmp___2~0; 33#L722-1true assume !(0 != ~pumpRunning~0); 7#L752true assume !(0 != ~systemActive~0); 32#L759true havoc __utac_acc__Specification4_spec__1_#t~ret19, __utac_acc__Specification4_spec__1_#t~ret20, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 60#L277true __utac_acc__Specification4_spec__1_#t~ret19 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret19;havoc __utac_acc__Specification4_spec__1_#t~ret19; 12#L291true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 47#L291-1true [2021-10-21 19:13:58,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:58,094 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-21 19:13:58,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:58,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759930221] [2021-10-21 19:13:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:58,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:13:58,427 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:13:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:13:58,645 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:13:58,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:58,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1673310517, now seen corresponding path program 1 times [2021-10-21 19:13:58,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:58,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266810472] [2021-10-21 19:13:58,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:58,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:13:58,665 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:13:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:13:58,683 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:13:58,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:58,685 INFO L82 PathProgramCache]: Analyzing trace with hash 40968421, now seen corresponding path program 1 times [2021-10-21 19:13:58,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:58,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074538003] [2021-10-21 19:13:58,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:58,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:58,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:13:58,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:58,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074538003] [2021-10-21 19:13:58,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074538003] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:58,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:58,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:13:58,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637367979] [2021-10-21 19:13:59,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:59,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:13:59,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:13:59,041 INFO L87 Difference]: Start difference. First operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 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 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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 19:13:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:59,248 INFO L93 Difference]: Finished difference Result 180 states and 246 transitions. [2021-10-21 19:13:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:13:59,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 246 transitions. [2021-10-21 19:13:59,256 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 113 [2021-10-21 19:13:59,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 159 states and 225 transitions. [2021-10-21 19:13:59,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 159 [2021-10-21 19:13:59,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2021-10-21 19:13:59,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 225 transitions. [2021-10-21 19:13:59,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:13:59,265 INFO L681 BuchiCegarLoop]: Abstraction has 159 states and 225 transitions. [2021-10-21 19:13:59,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 225 transitions. [2021-10-21 19:13:59,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 102. [2021-10-21 19:13:59,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 102 states have (on average 1.411764705882353) internal successors, (144), 101 states have internal predecessors, (144), 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 19:13:59,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2021-10-21 19:13:59,299 INFO L704 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2021-10-21 19:13:59,299 INFO L587 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2021-10-21 19:13:59,299 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:13:59,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 144 transitions. [2021-10-21 19:13:59,301 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 72 [2021-10-21 19:13:59,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:13:59,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:13:59,302 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:13:59,302 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:59,302 INFO L791 eck$LassoCheckResult]: Stem: 324#ULTIMATE.startENTRY #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(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(77, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(101, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(116, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(104, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string14.base, #t~string14.offset, 1);call write~init~int(82, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(73, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(84, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 4 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(75, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 317#L-1 havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 318#L75 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; 294#L83 main_#t~ret8 := valid_product_#res;main_~tmp~0 := main_#t~ret8;havoc main_#t~ret8; 268#L175 assume 0 != main_~tmp~0; 269#L151 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 277#L291-1 [2021-10-21 19:13:59,303 INFO L793 eck$LassoCheckResult]: Loop: 277#L291-1 assume !false; 323#L687 assume test_~splverifierCounter~0 < 4; 305#L688 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 306#L696 assume !(0 != test_~tmp~5); 313#L696-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 314#L706 assume !(0 != test_~tmp___0~1); 315#L706-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 316#L716 assume 0 != test_~tmp___2~0; 311#L722-1 assume !(0 != ~pumpRunning~0); 272#L752 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 273#L784 assume !(0 != ~pumpRunning~0); 309#L759 havoc __utac_acc__Specification4_spec__1_#t~ret19, __utac_acc__Specification4_spec__1_#t~ret20, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 310#L277 __utac_acc__Specification4_spec__1_#t~ret19 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret19;havoc __utac_acc__Specification4_spec__1_#t~ret19; 283#L291 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 277#L291-1 [2021-10-21 19:13:59,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:59,303 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-21 19:13:59,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:59,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670591162] [2021-10-21 19:13:59,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:59,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:13:59,350 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:13:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:13:59,410 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:13:59,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:59,411 INFO L82 PathProgramCache]: Analyzing trace with hash -353546757, now seen corresponding path program 1 times [2021-10-21 19:13:59,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:59,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053621150] [2021-10-21 19:13:59,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:59,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:13:59,416 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:13:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:13:59,422 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:13:59,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:59,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1249492769, now seen corresponding path program 1 times [2021-10-21 19:13:59,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:59,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911174256] [2021-10-21 19:13:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:59,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:13:59,464 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:13:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:13:59,547 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:15:00,215 WARN L207 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-21 19:16:03,035 WARN L207 SmtUtils]: Spent 31.41 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-21 19:16:03,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:16:03 BoogieIcfgContainer [2021-10-21 19:16:03,207 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:16:03,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:16:03,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:16:03,208 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:16:03,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:13:57" (3/4) ... [2021-10-21 19:16:03,211 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 19:16:03,266 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:16:03,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:16:03,268 INFO L168 Benchmark]: Toolchain (without parser) took 126913.03 ms. Allocated memory was 138.4 MB in the beginning and 172.0 MB in the end (delta: 33.6 MB). Free memory was 105.6 MB in the beginning and 90.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 50.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:03,269 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:16:03,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.01 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 107.5 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:03,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.14 ms. Allocated memory is still 138.4 MB. Free memory was 107.5 MB in the beginning and 104.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:03,271 INFO L168 Benchmark]: Boogie Preprocessor took 33.04 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 102.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:03,272 INFO L168 Benchmark]: RCFGBuilder took 883.11 ms. Allocated memory is still 138.4 MB. Free memory was 102.9 MB in the beginning and 64.7 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:03,273 INFO L168 Benchmark]: BuchiAutomizer took 125267.12 ms. Allocated memory was 138.4 MB in the beginning and 172.0 MB in the end (delta: 33.6 MB). Free memory was 64.3 MB in the beginning and 92.0 MB in the end (delta: -27.7 MB). Peak memory consumption was 60.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:03,273 INFO L168 Benchmark]: Witness Printer took 59.54 ms. Allocated memory is still 172.0 MB. Free memory was 92.0 MB in the beginning and 90.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:03,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 584.01 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 107.5 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.14 ms. Allocated memory is still 138.4 MB. Free memory was 107.5 MB in the beginning and 104.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.04 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 102.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 883.11 ms. Allocated memory is still 138.4 MB. Free memory was 102.9 MB in the beginning and 64.7 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 125267.12 ms. Allocated memory was 138.4 MB in the beginning and 172.0 MB in the end (delta: 33.6 MB). Free memory was 64.3 MB in the beginning and 92.0 MB in the end (delta: -27.7 MB). Peak memory consumption was 60.9 MB. Max. memory is 16.1 GB. * Witness Printer took 59.54 ms. Allocated memory is still 172.0 MB. Free memory was 92.0 MB in the beginning and 90.1 MB in the end (delta: 2.0 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 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 102 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 125.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 124.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 20.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 102 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 89 SDtfs, 334 SDslu, 497 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 126.0ms Time 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 686]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=16574} State at position 1 is {NULL=0, NULL=22974, NULL=0, retValue_acc=0, NULL=16574, NULL=0, NULL=22984, NULL=0, NULL=0, NULL=22964, NULL=0, NULL=0, NULL=22985, methaneLevelCritical=0, NULL=0, NULL=0, tmp=0, NULL=22969, NULL=0, tmp___1=0, NULL=0, NULL=0, tmp___0=0, NULL=22967, cleanupTimeShifts=4, NULL=22965, NULL=22961, NULL=22982, NULL=22968, NULL=0, systemActive=1, waterLevel=1, NULL=22983, \result=1, NULL=0, NULL=0, NULL=0, NULL=22981, NULL=0, NULL=22971, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76105000=0, NULL=22978, \result=1, NULL=22973, head=0, pumpRunning=0, tmp=1, NULL=22962, \result=0, NULL=22975, NULL=0, NULL=0, NULL=0, NULL=22977, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d4d5849=0, NULL=22972, tmp=1, NULL=0, NULL=0, NULL=16575, NULL=0, NULL=22979, retValue_acc=1, tmp___2=50, NULL=0, retValue_acc=1, tmp___0=0, splverifierCounter=0, NULL=0, NULL=22960, NULL=22980, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c45d8fe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20fdcc89=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@106b9433=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77f69c20=50, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32714588=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19dae523=0, head=0, tmp=0, NULL=0, NULL=22966, NULL=22963, NULL=22970, NULL=0, NULL=16576, NULL=22976} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int cleanupTimeShifts = 4; [L202] int waterLevel = 1; [L203] int methaneLevelCritical = 0; [L478] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L745] int pumpRunning = 0; [L746] int systemActive = 1; [L166] int retValue_acc ; [L167] int tmp ; [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L173] tmp = valid_product() [L175] COND TRUE \read(tmp) [L677] int splverifierCounter ; [L678] int tmp ; [L679] int tmp___0 ; [L680] int tmp___1 ; [L681] int tmp___2 ; [L684] splverifierCounter = 0 Loop: [L686] COND TRUE 1 [L688] COND TRUE splverifierCounter < 4 [L694] tmp = __VERIFIER_nondet_int() [L696] COND FALSE !(\read(tmp)) [L704] tmp___0 = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp___0)) [L714] tmp___2 = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp___2) [L752] COND FALSE !(\read(pumpRunning)) [L759] COND TRUE \read(systemActive) [L781] int tmp ; [L784] COND FALSE !(\read(pumpRunning)) [L284] int tmp ; [L285] int tmp___0 ; [L273] int retValue_acc ; [L276] retValue_acc = waterLevel [L277] return (retValue_acc); [L289] tmp = getWaterLevel() [L291] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-21 19:16:03,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea58bb6-9080-4967-9922-310af6021320/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...