./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y --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 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:47:19,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:47:19,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:47:19,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:47:19,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:47:19,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:47:19,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:47:19,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:47:19,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:47:19,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:47:19,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:47:19,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:47:19,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:47:19,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:47:19,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:47:19,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:47:19,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:47:19,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:47:19,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:47:19,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:47:19,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:47:19,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:47:19,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:47:19,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:47:19,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:47:19,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:47:19,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:47:19,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:47:19,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:47:19,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:47:19,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:47:19,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:47:19,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:47:19,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:47:19,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:47:19,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:47:19,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:47:19,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:47:19,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:47:19,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:47:19,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:47:19,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 17:47:19,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:47:19,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:47:19,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:47:19,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:47:19,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:47:19,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:47:19,297 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:47:19,297 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 17:47:19,297 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 17:47:19,297 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 17:47:19,298 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 17:47:19,299 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 17:47:19,299 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 17:47:19,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:47:19,299 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:47:19,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:47:19,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:47:19,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:47:19,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:47:19,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 17:47:19,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 17:47:19,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 17:47:19,301 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:47:19,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:47:19,302 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 17:47:19,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:47:19,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 17:47:19,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:47:19,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:47:19,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:47:19,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:47:19,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:47:19,306 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 17:47:19,306 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_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d [2021-11-13 17:47:19,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:47:19,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:47:19,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:47:19,630 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:47:19,631 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:47:19,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2021-11-13 17:47:19,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/data/5c23e82b3/a26e3b52ee2a48858636aa5424037c68/FLAGb7112359f [2021-11-13 17:47:20,248 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:47:20,251 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2021-11-13 17:47:20,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/data/5c23e82b3/a26e3b52ee2a48858636aa5424037c68/FLAGb7112359f [2021-11-13 17:47:20,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/data/5c23e82b3/a26e3b52ee2a48858636aa5424037c68 [2021-11-13 17:47:20,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:47:20,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:47:20,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:47:20,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:47:20,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:47:20,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:47:20" (1/1) ... [2021-11-13 17:47:20,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2828afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:20, skipping insertion in model container [2021-11-13 17:47:20,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:47:20" (1/1) ... [2021-11-13 17:47:20,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:47:20,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:47:20,968 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_2f9f1ec2-69f8-43be-9576-ceb69410490b/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2021-11-13 17:47:21,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:47:21,031 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:47:21,124 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_2f9f1ec2-69f8-43be-9576-ceb69410490b/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2021-11-13 17:47:21,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:47:21,175 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:47:21,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21 WrapperNode [2021-11-13 17:47:21,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:47:21,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:47:21,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:47:21,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:47:21,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21" (1/1) ... [2021-11-13 17:47:21,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21" (1/1) ... [2021-11-13 17:47:21,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:47:21,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:47:21,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:47:21,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:47:21,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21" (1/1) ... [2021-11-13 17:47:21,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21" (1/1) ... [2021-11-13 17:47:21,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21" (1/1) ... [2021-11-13 17:47:21,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21" (1/1) ... [2021-11-13 17:47:21,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21" (1/1) ... [2021-11-13 17:47:21,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21" (1/1) ... [2021-11-13 17:47:21,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21" (1/1) ... [2021-11-13 17:47:21,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:47:21,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:47:21,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:47:21,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:47:21,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21" (1/1) ... [2021-11-13 17:47:21,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:47:21,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:47:21,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:47:21,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 17:47:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:47:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:47:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:47:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:47:22,241 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:47:22,242 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 17:47:22,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:47:22 BoogieIcfgContainer [2021-11-13 17:47:22,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:47:22,245 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 17:47:22,245 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 17:47:22,250 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 17:47:22,251 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:47:22,251 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 05:47:20" (1/3) ... [2021-11-13 17:47:22,253 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2049864f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:47:22, skipping insertion in model container [2021-11-13 17:47:22,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:47:22,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:21" (2/3) ... [2021-11-13 17:47:22,254 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2049864f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:47:22, skipping insertion in model container [2021-11-13 17:47:22,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:47:22,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:47:22" (3/3) ... [2021-11-13 17:47:22,256 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2021-11-13 17:47:22,316 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 17:47:22,316 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 17:47:22,316 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 17:47:22,317 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 17:47:22,317 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 17:47:22,317 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 17:47:22,317 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 17:47:22,317 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 17:47:22,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2021-11-13 17:47:22,375 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2021-11-13 17:47:22,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:47:22,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:47:22,383 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:22,383 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:22,383 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 17:47:22,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2021-11-13 17:47:22,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2021-11-13 17:47:22,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:47:22,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:47:22,404 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:22,404 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:22,415 INFO L791 eck$LassoCheckResult]: Stem: 80#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 62#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 35#L879true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 27#L872true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 85#L887true main_#t~ret54#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 6#L626true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 87#L599true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet74#1, test_#t~nondet75#1, test_#t~nondet76#1, test_#t~nondet77#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 43#L802-2true [2021-11-13 17:47:22,418 INFO L793 eck$LassoCheckResult]: Loop: 43#L802-2true assume !false; 38#L803true assume test_~splverifierCounter~0#1 < 4; 16#L804true test_~tmp~7#1 := test_#t~nondet74#1;havoc test_#t~nondet74#1; 20#L812true assume !(0 != test_~tmp~7#1); 60#L812-2true test_~tmp___0~1#1 := test_#t~nondet75#1;havoc test_#t~nondet75#1; 17#L822true assume !(0 != test_~tmp___0~1#1); 86#L822-2true test_~tmp___2~0#1 := test_#t~nondet76#1;havoc test_#t~nondet76#1; 7#L832true assume 0 != test_~tmp___2~0#1; 57#L838-2true assume { :begin_inline_timeShift } true; 89#L649true assume !(0 != ~pumpRunning~0); 84#L649-2true assume !(0 != ~systemActive~0); 22#L656-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_#t~ret53#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 71#L131true __utac_acc__Specification4_spec__1_#t~ret52#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret52#1;havoc __utac_acc__Specification4_spec__1_#t~ret52#1; 66#L520true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 26#L520-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 24#L666true assume { :end_inline_timeShift } true; 43#L802-2true [2021-11-13 17:47:22,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:22,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-11-13 17:47:22,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:22,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068130576] [2021-11-13 17:47:22,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:22,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:47:22,707 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:47:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:47:22,883 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:47:22,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:22,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1035970364, now seen corresponding path program 1 times [2021-11-13 17:47:22,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:22,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940425184] [2021-11-13 17:47:22,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:22,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:47:22,894 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:47:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:47:22,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:47:22,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:22,916 INFO L85 PathProgramCache]: Analyzing trace with hash 319448712, now seen corresponding path program 1 times [2021-11-13 17:47:22,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:22,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443771582] [2021-11-13 17:47:22,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:22,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:23,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:47:23,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443771582] [2021-11-13 17:47:23,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443771582] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:23,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:47:23,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:47:23,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458792127] [2021-11-13 17:47:23,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:23,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:47:23,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:47:23,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:47:23,211 INFO L87 Difference]: Start difference. First operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:47:23,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:47:23,460 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2021-11-13 17:47:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:47:23,466 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2021-11-13 17:47:23,468 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-11-13 17:47:23,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 83 states and 105 transitions. [2021-11-13 17:47:23,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2021-11-13 17:47:23,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2021-11-13 17:47:23,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2021-11-13 17:47:23,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:47:23,477 INFO L681 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-11-13 17:47:23,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2021-11-13 17:47:23,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-11-13 17:47:23,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 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) [2021-11-13 17:47:23,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2021-11-13 17:47:23,512 INFO L704 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-11-13 17:47:23,512 INFO L587 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-11-13 17:47:23,512 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 17:47:23,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 105 transitions. [2021-11-13 17:47:23,514 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-11-13 17:47:23,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:47:23,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:47:23,515 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:23,516 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:23,516 INFO L791 eck$LassoCheckResult]: Stem: 286#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 279#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 260#L879 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 250#L872 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 251#L887 main_#t~ret54#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 215#L626 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 216#L599 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet74#1, test_#t~nondet75#1, test_#t~nondet76#1, test_#t~nondet77#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 244#L802-2 [2021-11-13 17:47:23,516 INFO L793 eck$LassoCheckResult]: Loop: 244#L802-2 assume !false; 261#L803 assume test_~splverifierCounter~0#1 < 4; 234#L804 test_~tmp~7#1 := test_#t~nondet74#1;havoc test_#t~nondet74#1; 235#L812 assume !(0 != test_~tmp~7#1); 240#L812-2 test_~tmp___0~1#1 := test_#t~nondet75#1;havoc test_#t~nondet75#1; 230#L822 assume !(0 != test_~tmp___0~1#1); 231#L822-2 test_~tmp___2~0#1 := test_#t~nondet76#1;havoc test_#t~nondet76#1; 212#L832 assume 0 != test_~tmp___2~0#1; 214#L838-2 assume { :begin_inline_timeShift } true; 276#L649 assume !(0 != ~pumpRunning~0); 273#L649-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret55#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 287#L681 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 289#L673-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 269#L681-1 assume { :end_inline_processEnvironment } true; 241#L656-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_#t~ret53#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 242#L131 __utac_acc__Specification4_spec__1_#t~ret52#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret52#1;havoc __utac_acc__Specification4_spec__1_#t~ret52#1; 280#L520 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 249#L520-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 243#L666 assume { :end_inline_timeShift } true; 244#L802-2 [2021-11-13 17:47:23,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:23,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-11-13 17:47:23,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:23,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818041054] [2021-11-13 17:47:23,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:23,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:47:23,569 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:47:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:47:23,632 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:47:23,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:23,632 INFO L85 PathProgramCache]: Analyzing trace with hash -2086246941, now seen corresponding path program 1 times [2021-11-13 17:47:23,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:23,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286943813] [2021-11-13 17:47:23,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:23,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:47:23,639 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:47:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:47:23,647 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:47:23,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:23,648 INFO L85 PathProgramCache]: Analyzing trace with hash 215896479, now seen corresponding path program 1 times [2021-11-13 17:47:23,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:23,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537953860] [2021-11-13 17:47:23,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:23,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:47:23,692 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:47:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:47:23,778 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:48:19,694 WARN L227 SmtUtils]: Spent 55.80s on a formula simplification. DAG size of input: 491 DAG size of output: 433 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 17:49:18,231 WARN L227 SmtUtils]: Spent 28.64s on a formula simplification that was a NOOP. DAG size: 433 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 17:49:18,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 05:49:18 BoogieIcfgContainer [2021-11-13 17:49:18,454 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 17:49:18,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:49:18,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:49:18,460 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:49:18,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:47:22" (3/4) ... [2021-11-13 17:49:18,463 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-13 17:49:18,514 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 17:49:18,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:49:18,525 INFO L158 Benchmark]: Toolchain (without parser) took 117954.54ms. Allocated memory was 107.0MB in the beginning and 188.7MB in the end (delta: 81.8MB). Free memory was 72.7MB in the beginning and 152.8MB in the end (delta: -80.1MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2021-11-13 17:49:18,527 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:49:18,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.67ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 74.8MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 17:49:18,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.87ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 72.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:49:18,530 INFO L158 Benchmark]: Boogie Preprocessor took 37.83ms. Allocated memory is still 107.0MB. Free memory was 72.0MB in the beginning and 70.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:49:18,531 INFO L158 Benchmark]: RCFGBuilder took 951.28ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 70.0MB in the beginning and 94.8MB in the end (delta: -24.8MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-13 17:49:18,531 INFO L158 Benchmark]: BuchiAutomizer took 116209.72ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 94.8MB in the beginning and 155.9MB in the end (delta: -61.2MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. [2021-11-13 17:49:18,532 INFO L158 Benchmark]: Witness Printer took 64.72ms. Allocated memory is still 188.7MB. Free memory was 155.9MB in the beginning and 152.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:49:18,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.67ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 74.8MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.87ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 72.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.83ms. Allocated memory is still 107.0MB. Free memory was 72.0MB in the beginning and 70.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 951.28ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 70.0MB in the beginning and 94.8MB in the end (delta: -24.8MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 116209.72ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 94.8MB in the beginning and 155.9MB in the end (delta: -61.2MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. * Witness Printer took 64.72ms. Allocated memory is still 188.7MB. Free memory was 155.9MB in the beginning and 152.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 83 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 116.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 115.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 83 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 335 SdHoareTripleChecker+Valid, 205.12ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 185.80ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 110 mSDtfsCounter, 8 mSolverCounterSat, 4.67ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 802]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@225633eb=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12400d7=60, NULL=0, NULL=27278, NULL=0, NULL=0, NULL=1, NULL=27268, NULL=0, NULL=27271, NULL=0, NULL=0, NULL=0, NULL=27266, NULL=27283, methaneLevelCritical=0, retValue_acc=1, NULL=27273, NULL=27274, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp___2=60, NULL=27272, NULL=27289, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e5a2f7e=0, \result=0, NULL=27282, NULL=27281, \result=1, tmp___1=0, NULL=0, systemActive=1, waterLevel=1, NULL=27261, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5baabdab=0, NULL=0, NULL=0, NULL=27286, NULL=0, NULL=27265, NULL=27276, NULL=27284, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b80b6d2=0, tmp___0=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42b0c206=0, NULL=27264, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68c9dffc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=27280, NULL=27260, NULL=27269, NULL=27263, NULL=0, \result=1, NULL=0, NULL=27275, retValue_acc=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d69c8ac=0, NULL=27270, NULL=27279, NULL=27262, tmp=0, head=0, NULL=0, NULL=0, NULL=27277, retValue_acc=1, NULL=27285, tmp=0, NULL=0, NULL=27267} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 802]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L538] int cleanupTimeShifts = 4; [L642] int pumpRunning = 0; [L643] int systemActive = 1; [L617] int retValue_acc ; [L618] int tmp ; [L622] FCALL select_helpers() [L623] FCALL select_features() [L624] CALL, EXPR valid_product() [L883] int retValue_acc ; [L886] retValue_acc = 1 [L887] return (retValue_acc); [L624] RET, EXPR valid_product() [L624] tmp = valid_product() [L626] COND TRUE \read(tmp) [L628] FCALL setup() [L629] CALL runTest() [L608] CALL test() [L793] int splverifierCounter ; [L794] int tmp ; [L795] int tmp___0 ; [L796] int tmp___1 ; [L797] int tmp___2 ; [L800] splverifierCounter = 0 Loop: [L802] COND TRUE 1 [L804] COND TRUE splverifierCounter < 4 [L810] tmp = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp)) [L820] tmp___0 = __VERIFIER_nondet_int() [L822] COND FALSE !(\read(tmp___0)) [L830] tmp___2 = __VERIFIER_nondet_int() [L832] COND TRUE \read(tmp___2) [L845] CALL timeShift() [L649] COND FALSE !(\read(pumpRunning)) [L656] COND TRUE \read(systemActive) [L658] CALL processEnvironment() [L678] int tmp ; [L681] COND FALSE !(\read(pumpRunning)) [L696] FCALL processEnvironment__wrappee__methaneQuery() [L658] RET processEnvironment() [L664] CALL __utac_acc__Specification4_spec__1() [L513] int tmp ; [L514] int tmp___0 ; [L518] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L518] RET, EXPR getWaterLevel() [L518] tmp = getWaterLevel() [L520] COND FALSE !(tmp == 0) [L664] RET __utac_acc__Specification4_spec__1() [L845] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 17:49:18,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f1ec2-69f8-43be-9576-ceb69410490b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)