./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt --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 6a18f617941e8cdfed5633e004145f254bf7fa9d ...................................................................................................................................................................................................................................................................................................................... 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-4e77c04 [2021-10-13 00:53:37,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:53:37,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:53:37,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:53:37,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:53:37,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:53:37,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:53:37,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:53:37,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:53:37,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:53:37,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:53:37,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:53:37,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:53:37,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:53:37,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:53:37,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:53:37,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:53:37,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:53:37,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:53:37,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:53:37,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:53:37,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:53:37,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:53:37,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:53:37,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:53:37,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:53:37,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:53:37,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:53:37,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:53:37,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:53:37,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:53:37,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:53:37,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:53:37,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:53:37,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:53:37,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:53:37,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:53:37,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:53:37,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:53:37,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:53:37,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:53:37,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:53:37,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:53:37,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:53:37,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:53:37,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:53:37,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:53:37,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:53:37,352 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:53:37,352 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:53:37,353 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:53:37,353 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:53:37,354 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:53:37,354 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:53:37,354 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:53:37,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:53:37,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:53:37,355 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:53:37,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:53:37,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:53:37,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:53:37,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:53:37,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:53:37,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:53:37,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:53:37,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:53:37,357 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:53:37,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:53:37,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:53:37,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:53:37,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:53:37,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:53:37,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:53:37,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:53:37,361 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:53:37,362 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_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a18f617941e8cdfed5633e004145f254bf7fa9d [2021-10-13 00:53:37,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:53:37,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:53:37,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:53:37,651 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:53:37,652 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:53:37,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-13 00:53:37,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/data/c242637d1/6c44946203a944c1b74c3b346b01230a/FLAGfa408b7d3 [2021-10-13 00:53:38,176 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:53:38,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-13 00:53:38,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/data/c242637d1/6c44946203a944c1b74c3b346b01230a/FLAGfa408b7d3 [2021-10-13 00:53:38,533 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/data/c242637d1/6c44946203a944c1b74c3b346b01230a [2021-10-13 00:53:38,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:53:38,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:53:38,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:38,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:53:38,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:53:38,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:38" (1/1) ... [2021-10-13 00:53:38,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f607fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:38, skipping insertion in model container [2021-10-13 00:53:38,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:38" (1/1) ... [2021-10-13 00:53:38,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:53:38,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:53:38,779 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_5fa7ba48-1339-4482-9cf9-5e640e3a20da/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1281,1294] [2021-10-13 00:53:38,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:38,921 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:53:38,935 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_5fa7ba48-1339-4482-9cf9-5e640e3a20da/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1281,1294] [2021-10-13 00:53:38,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:39,006 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:53:39,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39 WrapperNode [2021-10-13 00:53:39,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:39,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:53:39,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:53:39,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:53:39,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39" (1/1) ... [2021-10-13 00:53:39,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39" (1/1) ... [2021-10-13 00:53:39,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:53:39,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:53:39,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:53:39,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:53:39,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39" (1/1) ... [2021-10-13 00:53:39,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39" (1/1) ... [2021-10-13 00:53:39,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39" (1/1) ... [2021-10-13 00:53:39,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39" (1/1) ... [2021-10-13 00:53:39,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39" (1/1) ... [2021-10-13 00:53:39,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39" (1/1) ... [2021-10-13 00:53:39,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39" (1/1) ... [2021-10-13 00:53:39,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:53:39,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:53:39,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:53:39,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:53:39,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39" (1/1) ... [2021-10-13 00:53:39,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:53:39,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:53:39,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:53:39,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:53:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:53:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:53:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:53:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:53:39,960 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:53:39,960 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-13 00:53:39,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:39 BoogieIcfgContainer [2021-10-13 00:53:39,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:53:39,963 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:53:39,963 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:53:39,967 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:53:39,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:53:39,968 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:53:38" (1/3) ... [2021-10-13 00:53:39,969 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1895a28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:53:39, skipping insertion in model container [2021-10-13 00:53:39,969 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:53:39,969 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:39" (2/3) ... [2021-10-13 00:53:39,970 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1895a28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:53:39, skipping insertion in model container [2021-10-13 00:53:39,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:53:39,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:39" (3/3) ... [2021-10-13 00:53:39,971 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2021-10-13 00:53:40,013 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:53:40,013 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:53:40,014 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:53:40,014 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:53:40,014 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:53:40,014 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:53:40,014 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:53:40,014 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:53:40,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:40,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-13 00:53:40,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:53:40,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:53:40,057 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:53:40,058 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:40,058 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:53:40,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:40,074 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-13 00:53:40,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:53:40,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:53:40,076 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:53:40,076 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:40,086 INFO L791 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 32#L-1true havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 55#L76true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 46#L84true main_#t~ret76 := valid_product_#res;main_~tmp~5 := main_#t~ret76;havoc main_#t~ret76; 27#L839true assume 0 != main_~tmp~5; 5#L816true havoc test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 21#L373-1true [2021-10-13 00:53:40,088 INFO L793 eck$LassoCheckResult]: Loop: 21#L373-1true assume !false; 22#L228true assume test_~splverifierCounter~0 < 4; 54#L229true test_~tmp~0 := test_#t~nondet25;havoc test_#t~nondet25; 28#L237true assume !(0 != test_~tmp~0); 8#L237-1true test_~tmp___0~0 := test_#t~nondet26;havoc test_#t~nondet26; 31#L247true assume !(0 != test_~tmp___0~0); 40#L247-1true test_~tmp___2~0 := test_#t~nondet27;havoc test_#t~nondet27; 52#L257true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 41#L265-2true assume !(0 != ~pumpRunning~0); 44#L106true assume 0 != ~systemActive~0; 37#L113true havoc __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_#t~ret40, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 20#L360true __utac_acc__Specification4_spec__1_#t~ret39 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; 45#L373true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 21#L373-1true [2021-10-13 00:53:40,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:40,098 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-13 00:53:40,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:40,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565900645] [2021-10-13 00:53:40,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:40,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:53:40,410 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:53:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:53:40,594 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:53:40,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:40,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619226, now seen corresponding path program 1 times [2021-10-13 00:53:40,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:40,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989499486] [2021-10-13 00:53:40,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:40,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:53:40,605 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:53:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:53:40,615 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:53:40,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:40,618 INFO L82 PathProgramCache]: Analyzing trace with hash 32659712, now seen corresponding path program 1 times [2021-10-13 00:53:40,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:40,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084150615] [2021-10-13 00:53:40,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:40,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:53:40,700 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:53:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:53:40,765 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:54:35,518 WARN L207 SmtUtils]: Spent 54.60 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-13 00:55:30,977 WARN L207 SmtUtils]: Spent 27.15 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-13 00:55:31,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:55:31 BoogieIcfgContainer [2021-10-13 00:55:31,152 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:55:31,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:55:31,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:55:31,154 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:55:31,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:39" (3/4) ... [2021-10-13 00:55:31,156 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:55:31,200 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:55:31,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:55:31,202 INFO L168 Benchmark]: Toolchain (without parser) took 112664.66 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 53.0 MB in the beginning and 59.0 MB in the end (delta: -6.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:31,202 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 90.2 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:55:31,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.63 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 52.8 MB in the beginning and 88.0 MB in the end (delta: -35.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:31,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.86 ms. Allocated memory is still 119.5 MB. Free memory was 88.0 MB in the beginning and 85.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:31,204 INFO L168 Benchmark]: Boogie Preprocessor took 46.38 ms. Allocated memory is still 119.5 MB. Free memory was 85.0 MB in the beginning and 83.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:31,205 INFO L168 Benchmark]: RCFGBuilder took 819.00 ms. Allocated memory is still 119.5 MB. Free memory was 83.4 MB in the beginning and 48.3 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:31,205 INFO L168 Benchmark]: BuchiAutomizer took 111189.29 ms. Allocated memory is still 119.5 MB. Free memory was 47.9 MB in the beginning and 61.1 MB in the end (delta: -13.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:31,206 INFO L168 Benchmark]: Witness Printer took 47.78 ms. Allocated memory is still 119.5 MB. Free memory was 61.1 MB in the beginning and 59.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:31,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 90.2 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 468.63 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 52.8 MB in the beginning and 88.0 MB in the end (delta: -35.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.86 ms. Allocated memory is still 119.5 MB. Free memory was 88.0 MB in the beginning and 85.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.38 ms. Allocated memory is still 119.5 MB. Free memory was 85.0 MB in the beginning and 83.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 819.00 ms. Allocated memory is still 119.5 MB. Free memory was 83.4 MB in the beginning and 48.3 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 111189.29 ms. Allocated memory is still 119.5 MB. Free memory was 47.9 MB in the beginning and 61.1 MB in the end (delta: -13.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * Witness Printer took 47.78 ms. Allocated memory is still 119.5 MB. Free memory was 61.1 MB in the beginning and 59.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 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 111.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 111.0s. 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: 227]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=23109} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=23132, NULL=0, NULL=23109, NULL=23110, NULL=0, NULL=0, NULL=23137, NULL=23126, retValue_acc=0, NULL=23122, NULL=23125, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2225c0de=0, NULL=0, NULL=0, NULL=23118, tmp___1=0, NULL=0, NULL=0, NULL=23127, NULL=23112, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=23114, NULL=23133, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@447e5a3f=0, NULL=0, systemActive=1, waterLevel=1, NULL=23111, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=23135, NULL=0, tmp___0=0, NULL=23119, NULL=23131, \result=1, NULL=23128, head=0, pumpRunning=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74ff57bb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ea1a2a6=64, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4de189e5=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1658c16a=0, NULL=0, tmp=1, NULL=0, NULL=23124, NULL=23115, tmp=1, NULL=0, NULL=0, NULL=0, NULL=23134, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5705565c=0, tmp___2=64, NULL=23113, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=0, NULL=23123, NULL=23136, NULL=23121, NULL=23117, head=0, NULL=23116, NULL=0, NULL=0, NULL=23129, NULL=23130, NULL=0, NULL=23120} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] int pumpRunning = 0; [L99] int systemActive = 1; [L285] int waterLevel = 1; [L286] int methaneLevelCritical = 0; [L560] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L757] int cleanupTimeShifts = 4; [L830] int retValue_acc ; [L831] int tmp ; [L80] int retValue_acc ; [L83] retValue_acc = 1 [L84] return (retValue_acc); [L837] tmp = valid_product() [L839] COND TRUE \read(tmp) [L218] int splverifierCounter ; [L219] int tmp ; [L220] int tmp___0 ; [L221] int tmp___1 ; [L222] int tmp___2 ; [L225] splverifierCounter = 0 Loop: [L227] COND TRUE 1 [L229] COND TRUE splverifierCounter < 4 [L235] tmp = __VERIFIER_nondet_int() [L237] COND FALSE !(\read(tmp)) [L245] tmp___0 = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp___0)) [L255] tmp___2 = __VERIFIER_nondet_int() [L257] COND TRUE \read(tmp___2) [L209] systemActive = 1 [L106] COND FALSE !(\read(pumpRunning)) [L113] COND TRUE \read(systemActive) [L366] int tmp ; [L367] int tmp___0 ; [L356] int retValue_acc ; [L359] retValue_acc = waterLevel [L360] return (retValue_acc); [L371] tmp = getWaterLevel() [L373] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:55:31,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa7ba48-1339-4482-9cf9-5e640e3a20da/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...