./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD --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 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 ........................................................................................................................................................................................................................................................................................................................ 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-b2eff8b [2021-10-28 23:31:42,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:31:42,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:31:42,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:31:42,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:31:42,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:31:42,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:31:42,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:31:42,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:31:42,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:31:42,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:31:42,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:31:42,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:31:42,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:31:42,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:31:42,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:31:42,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:31:42,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:31:42,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:31:42,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:31:42,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:31:42,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:31:42,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:31:42,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:31:42,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:31:42,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:31:42,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:31:42,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:31:42,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:31:42,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:31:42,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:31:42,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:31:42,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:31:42,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:31:42,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:31:42,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:31:42,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:31:42,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:31:42,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:31:42,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:31:42,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:31:42,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:31:42,165 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:31:42,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:31:42,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:31:42,173 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:31:42,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:31:42,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:31:42,176 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:31:42,176 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:31:42,176 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:31:42,176 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:31:42,178 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:31:42,178 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:31:42,178 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:31:42,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:31:42,179 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:31:42,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:31:42,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:31:42,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:31:42,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:31:42,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:31:42,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:31:42,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:31:42,187 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:31:42,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:31:42,189 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:31:42,190 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:31:42,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:31:42,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:31:42,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:31:42,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:31:42,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:31:42,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:31:42,196 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:31:42,196 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_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 [2021-10-28 23:31:42,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:31:42,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:31:42,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:31:42,492 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:31:42,493 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:31:42,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2021-10-28 23:31:42,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/data/4cdef490e/4c6a6d2c974647dab9d21124bd0209b4/FLAG41f89a1de [2021-10-28 23:31:43,102 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:31:43,103 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2021-10-28 23:31:43,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/data/4cdef490e/4c6a6d2c974647dab9d21124bd0209b4/FLAG41f89a1de [2021-10-28 23:31:43,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/data/4cdef490e/4c6a6d2c974647dab9d21124bd0209b4 [2021-10-28 23:31:43,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:31:43,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:31:43,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:31:43,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:31:43,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:31:43,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:43,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5cb2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43, skipping insertion in model container [2021-10-28 23:31:43,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:43,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:31:43,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:31:43,746 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_1e714ca4-0d86-4670-badd-1d5c0507defa/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2021-10-28 23:31:43,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:31:43,759 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:31:43,830 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_1e714ca4-0d86-4670-badd-1d5c0507defa/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2021-10-28 23:31:43,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:31:43,850 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:31:43,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43 WrapperNode [2021-10-28 23:31:43,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:31:43,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:31:43,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:31:43,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:31:43,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:43,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:43,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:31:43,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:31:43,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:31:43,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:31:43,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:43,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:43,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:43,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:43,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:44,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:44,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:44,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:31:44,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:31:44,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:31:44,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:31:44,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43" (1/1) ... [2021-10-28 23:31:44,027 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:31:44,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:31:44,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:31:44,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:31:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:31:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:31:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:31:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:31:45,012 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:31:45,012 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-28 23:31:45,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:31:45 BoogieIcfgContainer [2021-10-28 23:31:45,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:31:45,016 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:31:45,016 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:31:45,020 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:31:45,021 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:31:45,021 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:31:43" (1/3) ... [2021-10-28 23:31:45,023 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15ba75f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:31:45, skipping insertion in model container [2021-10-28 23:31:45,023 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:31:45,023 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:43" (2/3) ... [2021-10-28 23:31:45,024 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15ba75f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:31:45, skipping insertion in model container [2021-10-28 23:31:45,024 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:31:45,024 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:31:45" (3/3) ... [2021-10-28 23:31:45,026 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2021-10-28 23:31:45,074 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:31:45,074 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:31:45,074 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:31:45,074 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:31:45,075 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:31:45,075 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:31:45,075 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:31:45,075 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:31:45,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 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) [2021-10-28 23:31:45,115 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 23:31:45,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:31:45,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:31:45,124 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:31:45,124 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:31:45,124 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:31:45,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 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) [2021-10-28 23:31:45,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 23:31:45,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:31:45,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:31:45,132 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:31:45,132 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:31:45,138 INFO L791 eck$LassoCheckResult]: Stem: 46#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~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);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(25);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(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 36#L-1true havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 5#L259true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 23#L267true main_#t~ret29 := valid_product_#res;main_~tmp~1 := main_#t~ret29;havoc main_#t~ret29; 20#L356true assume 0 != main_~tmp~1; 9#L331true ~methAndRunningLastTime~0 := 0; 56#L377true havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, 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; 34#L388-1true [2021-10-28 23:31:45,139 INFO L793 eck$LassoCheckResult]: Loop: 34#L388-1true assume !false; 3#L180true assume test_~splverifierCounter~0 < 4; 26#L181true test_~tmp~0 := test_#t~nondet24;havoc test_#t~nondet24; 18#L189true assume !(0 != test_~tmp~0); 40#L189-1true test_~tmp___0~0 := test_#t~nondet25;havoc test_#t~nondet25; 45#L199true assume !(0 != test_~tmp___0~0); 59#L199-1true test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 37#L209true assume 0 != test_~tmp___2~0; 48#L215-2true assume !(0 != ~pumpRunning~0); 33#L66true assume 0 != ~systemActive~0; 30#L73true havoc __utac_acc__Specification2_spec__2_#t~ret30, __utac_acc__Specification2_spec__2_#t~ret31, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 24#L820true __utac_acc__Specification2_spec__2_#t~ret30 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret30;havoc __utac_acc__Specification2_spec__2_#t~ret30; 19#L388true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 34#L388-1true [2021-10-28 23:31:45,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:31:45,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 23:31:45,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:31:45,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939524032] [2021-10-28 23:31:45,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:31:45,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:31:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:31:45,465 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:31:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:31:45,669 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:31:45,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:31:45,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1709485, now seen corresponding path program 1 times [2021-10-28 23:31:45,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:31:45,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568087422] [2021-10-28 23:31:45,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:31:45,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:31:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:31:45,687 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:31:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:31:45,702 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:31:45,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:31:45,705 INFO L85 PathProgramCache]: Analyzing trace with hash 835005991, now seen corresponding path program 1 times [2021-10-28 23:31:45,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:31:45,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526542234] [2021-10-28 23:31:45,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:31:45,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:31:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:31:45,857 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:31:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:31:45,934 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:32:51,391 WARN L207 SmtUtils]: Spent 1.09 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 23:33:58,950 WARN L207 SmtUtils]: Spent 33.90 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 23:33:59,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:33:59 BoogieIcfgContainer [2021-10-28 23:33:59,149 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:33:59,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:33:59,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:33:59,150 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:33:59,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:31:45" (3/4) ... [2021-10-28 23:33:59,154 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:33:59,223 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:33:59,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:33:59,225 INFO L168 Benchmark]: Toolchain (without parser) took 135804.49 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 84.6 MB in the beginning and 60.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:59,225 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 115.3 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:33:59,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.67 ms. Allocated memory is still 115.3 MB. Free memory was 84.4 MB in the beginning and 82.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:59,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.70 ms. Allocated memory is still 115.3 MB. Free memory was 82.1 MB in the beginning and 79.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:59,227 INFO L168 Benchmark]: Boogie Preprocessor took 69.77 ms. Allocated memory is still 115.3 MB. Free memory was 79.2 MB in the beginning and 77.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:59,228 INFO L168 Benchmark]: RCFGBuilder took 1000.88 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 77.5 MB in the beginning and 98.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:59,228 INFO L168 Benchmark]: BuchiAutomizer took 134133.10 ms. Allocated memory is still 138.4 MB. Free memory was 98.9 MB in the beginning and 62.2 MB in the end (delta: 36.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:59,229 INFO L168 Benchmark]: Witness Printer took 73.96 ms. Allocated memory is still 138.4 MB. Free memory was 62.2 MB in the beginning and 60.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:59,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 115.3 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 431.67 ms. Allocated memory is still 115.3 MB. Free memory was 84.4 MB in the beginning and 82.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.70 ms. Allocated memory is still 115.3 MB. Free memory was 82.1 MB in the beginning and 79.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.77 ms. Allocated memory is still 115.3 MB. Free memory was 79.2 MB in the beginning and 77.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1000.88 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 77.5 MB in the beginning and 98.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 134133.10 ms. Allocated memory is still 138.4 MB. Free memory was 98.9 MB in the beginning and 62.2 MB in the end (delta: 36.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. * Witness Printer took 73.96 ms. Allocated memory is still 138.4 MB. Free memory was 62.2 MB in the beginning and 60.2 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 134.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 133.9s. 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: 179]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=12134} State at position 1 is {NULL=12139, NULL=0, NULL=0, NULL=0, NULL=12159, NULL=0, NULL=12134, retValue_acc=0, NULL=0, NULL=0, NULL=12144, NULL=12158, NULL=12161, NULL=12154, methaneLevelCritical=0, NULL=0, NULL=12145, tmp___1=0, NULL=12135, NULL=0, NULL=0, cleanupTimeShifts=4, tmp=0, NULL=12142, NULL=12148, NULL=12146, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=12152, NULL=0, NULL=0, NULL=12153, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dcb538a=0, \result=0, NULL=12151, NULL=12149, NULL=12164, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b523ac=0, NULL=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d7e2de0=70, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@382567ba=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26b0cccf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f4f4b9d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a988b56=0, NULL=0, NULL=0, retValue_acc=1, NULL=12136, NULL=0, NULL=0, NULL=12150, NULL=0, tmp___2=70, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=12156, NULL=12143, NULL=12160, NULL=12155, NULL=12141, head=0, NULL=12163, NULL=0, NULL=0, NULL=12140, NULL=12147, NULL=12138, tmp=0, NULL=12162} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L272] int cleanupTimeShifts = 4; [L371] int methAndRunningLastTime ; [L579] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L777] int waterLevel = 1; [L778] int methaneLevelCritical = 0; [L347] int retValue_acc ; [L348] int tmp ; [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); [L354] tmp = valid_product() [L356] COND TRUE \read(tmp) [L376] methAndRunningLastTime = 0 [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L381] int tmp ; [L382] int tmp___0 ; [L816] int retValue_acc ; [L819] retValue_acc = methaneLevelCritical [L820] return (retValue_acc); [L386] tmp = isMethaneLevelCritical() [L388] COND FALSE !(\read(tmp)) [L404] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:33:59,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e714ca4-0d86-4670-badd-1d5c0507defa/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...