./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:23:13,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:23:13,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:23:13,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:23:13,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:23:13,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:23:13,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:23:13,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:23:13,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:23:13,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:23:13,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:23:13,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:23:13,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:23:13,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:23:13,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:23:13,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:23:13,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:23:13,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:23:13,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:23:13,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:23:13,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:23:13,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:23:13,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:23:13,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:23:13,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:23:13,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:23:13,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:23:13,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:23:13,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:23:13,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:23:13,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:23:13,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:23:13,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:23:13,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:23:13,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:23:13,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:23:13,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:23:13,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:23:13,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:23:13,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:23:13,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:23:13,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:23:13,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:23:13,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:23:13,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:23:13,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:23:13,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:23:13,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:23:13,468 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:23:13,468 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:23:13,468 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:23:13,468 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:23:13,469 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:23:13,469 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:23:13,474 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:23:13,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:23:13,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:23:13,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:23:13,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:23:13,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:23:13,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:23:13,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:23:13,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:23:13,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:23:13,476 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:23:13,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:23:13,477 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:23:13,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:23:13,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:23:13,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:23:13,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:23:13,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:23:13,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:23:13,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:23:13,483 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:23:13,484 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_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 [2021-10-28 09:23:13,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:23:13,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:23:13,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:23:13,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:23:13,831 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:23:13,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2021-10-28 09:23:13,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/data/f825c573f/ade78fc970434c9fb87397d1d492dcdb/FLAGabb139393 [2021-10-28 09:23:14,539 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:23:14,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2021-10-28 09:23:14,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/data/f825c573f/ade78fc970434c9fb87397d1d492dcdb/FLAGabb139393 [2021-10-28 09:23:14,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/data/f825c573f/ade78fc970434c9fb87397d1d492dcdb [2021-10-28 09:23:14,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:23:14,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:23:14,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:23:14,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:23:14,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:23:14,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:23:14" (1/1) ... [2021-10-28 09:23:14,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279c10a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:14, skipping insertion in model container [2021-10-28 09:23:14,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:23:14" (1/1) ... [2021-10-28 09:23:14,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:23:14,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:23:15,251 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_53f253c6-d290-43d6-aa06-b76858594d7f/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2021-10-28 09:23:15,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:23:15,265 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:23:15,433 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_53f253c6-d290-43d6-aa06-b76858594d7f/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2021-10-28 09:23:15,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:23:15,464 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:23:15,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15 WrapperNode [2021-10-28 09:23:15,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:23:15,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:23:15,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:23:15,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:23:15,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15" (1/1) ... [2021-10-28 09:23:15,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15" (1/1) ... [2021-10-28 09:23:15,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:23:15,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:23:15,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:23:15,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:23:15,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15" (1/1) ... [2021-10-28 09:23:15,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15" (1/1) ... [2021-10-28 09:23:15,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15" (1/1) ... [2021-10-28 09:23:15,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15" (1/1) ... [2021-10-28 09:23:15,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15" (1/1) ... [2021-10-28 09:23:15,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15" (1/1) ... [2021-10-28 09:23:15,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15" (1/1) ... [2021-10-28 09:23:15,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:23:15,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:23:15,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:23:15,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:23:15,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15" (1/1) ... [2021-10-28 09:23:15,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:15,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:15,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:15,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:23:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:23:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:23:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:23:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:23:16,564 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:23:16,564 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-28 09:23:16,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:16 BoogieIcfgContainer [2021-10-28 09:23:16,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:23:16,569 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:23:16,569 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:23:16,572 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:23:16,573 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:23:16,574 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:23:14" (1/3) ... [2021-10-28 09:23:16,575 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49b09cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:23:16, skipping insertion in model container [2021-10-28 09:23:16,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:23:16,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:15" (2/3) ... [2021-10-28 09:23:16,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49b09cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:23:16, skipping insertion in model container [2021-10-28 09:23:16,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:23:16,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:16" (3/3) ... [2021-10-28 09:23:16,578 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2021-10-28 09:23:16,637 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:23:16,637 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:23:16,638 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:23:16,638 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:23:16,638 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:23:16,638 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:23:16,638 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:23:16,638 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:23:16,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:16,692 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 09:23:16,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:23:16,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:23:16,702 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:16,702 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:16,702 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:23:16,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:16,714 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 09:23:16,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:23:16,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:23:16,716 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:16,716 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:16,728 INFO L791 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 36#L-1true havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 5#L259true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 23#L267true main_#t~ret29 := valid_product_#res;main_~tmp~1 := main_#t~ret29;havoc main_#t~ret29; 20#L356true assume 0 != main_~tmp~1; 9#L331true ~methAndRunningLastTime~0 := 0; 56#L377true havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 34#L388-1true [2021-10-28 09:23:16,728 INFO L793 eck$LassoCheckResult]: Loop: 34#L388-1true assume !false; 3#L180true assume test_~splverifierCounter~0 < 4; 26#L181true test_~tmp~0 := test_#t~nondet24;havoc test_#t~nondet24; 18#L189true assume !(0 != test_~tmp~0); 40#L189-1true test_~tmp___0~0 := test_#t~nondet25;havoc test_#t~nondet25; 45#L199true assume !(0 != test_~tmp___0~0); 59#L199-1true test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 37#L209true assume 0 != test_~tmp___2~0; 48#L215-2true assume !(0 != ~pumpRunning~0); 33#L66true assume 0 != ~systemActive~0; 30#L73true havoc __utac_acc__Specification2_spec__2_#t~ret30, __utac_acc__Specification2_spec__2_#t~ret31, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 24#L820true __utac_acc__Specification2_spec__2_#t~ret30 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret30;havoc __utac_acc__Specification2_spec__2_#t~ret30; 19#L388true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 34#L388-1true [2021-10-28 09:23:16,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:16,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 09:23:16,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:16,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195989186] [2021-10-28 09:23:16,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:16,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:17,000 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:23:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:17,162 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:23:17,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:17,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1709485, now seen corresponding path program 1 times [2021-10-28 09:23:17,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:17,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560117146] [2021-10-28 09:23:17,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:17,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:17,184 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:23:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:17,208 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:23:17,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:17,210 INFO L85 PathProgramCache]: Analyzing trace with hash 835005991, now seen corresponding path program 1 times [2021-10-28 09:23:17,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:17,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531087430] [2021-10-28 09:23:17,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:17,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:17,313 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:23:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:17,420 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:24:22,645 WARN L207 SmtUtils]: Spent 1.08 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 09:25:41,211 WARN L207 SmtUtils]: Spent 40.33 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 09:25:41,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:25:41 BoogieIcfgContainer [2021-10-28 09:25:41,473 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:25:41,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:25:41,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:25:41,474 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:25:41,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:16" (3/4) ... [2021-10-28 09:25:41,478 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:25:41,552 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:25:41,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:25:41,555 INFO L168 Benchmark]: Toolchain (without parser) took 146708.72 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 75.1 MB in the beginning and 80.9 MB in the end (delta: -5.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:41,556 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory is still 64.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:25:41,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.90 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 75.1 MB in the beginning and 106.3 MB in the end (delta: -31.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:41,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.68 ms. Allocated memory is still 138.4 MB. Free memory was 106.3 MB in the beginning and 103.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:41,559 INFO L168 Benchmark]: Boogie Preprocessor took 79.16 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 102.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:41,560 INFO L168 Benchmark]: RCFGBuilder took 913.47 ms. Allocated memory is still 138.4 MB. Free memory was 101.5 MB in the beginning and 65.8 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:41,561 INFO L168 Benchmark]: BuchiAutomizer took 144903.93 ms. Allocated memory is still 138.4 MB. Free memory was 65.8 MB in the beginning and 83.8 MB in the end (delta: -18.0 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:41,562 INFO L168 Benchmark]: Witness Printer took 79.21 ms. Allocated memory is still 138.4 MB. Free memory was 83.8 MB in the beginning and 80.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:41,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory is still 64.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 612.90 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 75.1 MB in the beginning and 106.3 MB in the end (delta: -31.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.68 ms. Allocated memory is still 138.4 MB. Free memory was 106.3 MB in the beginning and 103.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.16 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 102.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 913.47 ms. Allocated memory is still 138.4 MB. Free memory was 101.5 MB in the beginning and 65.8 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 144903.93 ms. Allocated memory is still 138.4 MB. Free memory was 65.8 MB in the beginning and 83.8 MB in the end (delta: -18.0 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. * Witness Printer took 79.21 ms. Allocated memory is still 138.4 MB. Free memory was 83.8 MB in the beginning and 80.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 144.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 144.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 179]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=12134} State at position 1 is {NULL=12139, NULL=0, NULL=0, NULL=0, NULL=12159, NULL=0, NULL=12134, retValue_acc=0, NULL=0, NULL=0, NULL=12144, NULL=12158, NULL=12161, NULL=12154, methaneLevelCritical=0, NULL=0, NULL=12145, tmp___1=0, NULL=12135, NULL=0, NULL=0, cleanupTimeShifts=4, tmp=0, NULL=12142, NULL=12148, NULL=12146, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=12152, NULL=0, NULL=0, NULL=12153, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6eef30eb=0, \result=0, NULL=12151, NULL=12149, NULL=12164, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cc108b9=0, NULL=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2351194d=70, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@eab55ed=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a2606fc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1229739=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2394a9c9=0, NULL=0, NULL=0, retValue_acc=1, NULL=12136, NULL=0, NULL=0, NULL=12150, NULL=0, tmp___2=70, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=12156, NULL=12143, NULL=12160, NULL=12155, NULL=12141, head=0, NULL=12163, NULL=0, NULL=0, NULL=12140, NULL=12147, NULL=12138, tmp=0, NULL=12162} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L272] int cleanupTimeShifts = 4; [L371] int methAndRunningLastTime ; [L579] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L777] int waterLevel = 1; [L778] int methaneLevelCritical = 0; [L347] int retValue_acc ; [L348] int tmp ; [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); [L354] tmp = valid_product() [L356] COND TRUE \read(tmp) [L376] methAndRunningLastTime = 0 [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L381] int tmp ; [L382] int tmp___0 ; [L816] int retValue_acc ; [L819] retValue_acc = methaneLevelCritical [L820] return (retValue_acc); [L386] tmp = isMethaneLevelCritical() [L388] COND FALSE !(\read(tmp)) [L404] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:25:41,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f253c6-d290-43d6-aa06-b76858594d7f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...