./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.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_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/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_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/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_a848ac49-fb58-4bc7-83ac-e89ca4275c17/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 a05fbc1d8a2048d37fda072c6a9d42f1f996d033c914869a4e2960aadff82dde ........................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:35:35,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:35:35,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:35:35,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:35:35,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:35:35,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:35:35,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:35:35,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:35:35,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:35:35,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:35:35,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:35:35,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:35:35,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:35:35,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:35:35,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:35:35,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:35:35,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:35:35,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:35:35,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:35:35,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:35:35,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:35:35,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:35:35,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:35:35,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:35:35,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:35:35,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:35:35,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:35:35,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:35:35,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:35:35,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:35:35,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:35:35,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:35:35,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:35:35,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:35:35,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:35:35,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:35:35,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:35:35,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:35:35,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:35:35,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:35:35,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:35:35,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:35:35,768 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:35:35,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:35:35,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:35:35,769 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:35:35,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:35:35,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:35:35,773 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:35:35,773 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:35:35,773 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:35:35,774 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:35:35,775 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:35:35,775 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:35:35,775 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:35:35,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:35:35,775 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:35:35,776 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:35:35,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:35:35,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:35:35,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:35:35,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:35:35,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:35:35,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:35:35,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:35:35,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:35:35,778 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:35:35,778 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:35:35,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:35:35,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:35:35,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:35:35,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:35:35,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:35:35,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:35:35,781 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:35:35,781 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_a848ac49-fb58-4bc7-83ac-e89ca4275c17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a05fbc1d8a2048d37fda072c6a9d42f1f996d033c914869a4e2960aadff82dde [2021-10-28 08:35:36,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:35:36,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:35:36,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:35:36,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:35:36,140 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:35:36,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2021-10-28 08:35:36,212 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/data/b80b710ed/8d81da5a209b4443a34cd30a560b3d2c/FLAGb641668fe [2021-10-28 08:35:36,817 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:35:36,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2021-10-28 08:35:36,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/data/b80b710ed/8d81da5a209b4443a34cd30a560b3d2c/FLAGb641668fe [2021-10-28 08:35:37,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/data/b80b710ed/8d81da5a209b4443a34cd30a560b3d2c [2021-10-28 08:35:37,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:35:37,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:35:37,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:35:37,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:35:37,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:35:37,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65075e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37, skipping insertion in model container [2021-10-28 08:35:37,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:35:37,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:35:37,467 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_a848ac49-fb58-4bc7-83ac-e89ca4275c17/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c[29656,29669] [2021-10-28 08:35:37,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:35:37,478 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:35:37,542 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_a848ac49-fb58-4bc7-83ac-e89ca4275c17/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c[29656,29669] [2021-10-28 08:35:37,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:35:37,565 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:35:37,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37 WrapperNode [2021-10-28 08:35:37,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:35:37,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:35:37,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:35:37,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:35:37,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:35:37,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:35:37,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:35:37,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:35:37,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:35:37,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:35:37,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:35:37,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:35:37,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37" (1/1) ... [2021-10-28 08:35:37,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:37,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:37,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:37,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:35:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:35:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:35:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:35:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:35:38,086 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,108 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,117 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,127 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,132 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,140 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,149 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,157 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,160 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,165 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,167 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,177 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:35:38,840 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-10-28 08:35:38,840 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-10-28 08:35:38,840 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-10-28 08:35:38,840 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-10-28 08:35:38,841 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2021-10-28 08:35:38,841 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2021-10-28 08:35:38,841 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2021-10-28 08:35:38,841 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2021-10-28 08:35:38,841 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2021-10-28 08:35:38,841 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2021-10-28 08:35:38,842 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-28 08:35:38,842 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-28 08:35:38,843 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2021-10-28 08:35:38,843 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2021-10-28 08:35:38,843 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2021-10-28 08:35:38,843 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2021-10-28 08:35:38,843 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2021-10-28 08:35:38,843 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2021-10-28 08:35:38,844 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2021-10-28 08:35:38,844 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2021-10-28 08:35:38,844 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2021-10-28 08:35:38,844 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2021-10-28 08:35:38,844 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2021-10-28 08:35:38,844 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2021-10-28 08:35:38,861 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:35:38,861 INFO L299 CfgBuilder]: Removed 154 assume(true) statements. [2021-10-28 08:35:38,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:35:38 BoogieIcfgContainer [2021-10-28 08:35:38,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:35:38,868 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:35:38,868 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:35:38,871 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:35:38,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:35:38,872 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:35:37" (1/3) ... [2021-10-28 08:35:38,873 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c870c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:35:38, skipping insertion in model container [2021-10-28 08:35:38,873 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:35:38,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:37" (2/3) ... [2021-10-28 08:35:38,873 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c870c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:35:38, skipping insertion in model container [2021-10-28 08:35:38,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:35:38,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:35:38" (3/3) ... [2021-10-28 08:35:38,875 INFO L389 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2021-10-28 08:35:38,917 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:35:38,917 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:35:38,917 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:35:38,917 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:35:38,918 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:35:38,918 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:35:38,918 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:35:38,918 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:35:38,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 300 states, 299 states have (on average 1.5451505016722409) internal successors, (462), 299 states have internal predecessors, (462), 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 08:35:39,019 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:35:39,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 08:35:39,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:35:39 BoogieIcfgContainer [2021-10-28 08:35:39,024 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:35:39,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:35:39,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:35:39,025 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:35:39,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:35:38" (3/4) ... [2021-10-28 08:35:39,031 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:35:39,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:35:39,034 INFO L168 Benchmark]: Toolchain (without parser) took 1914.86 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 52.7 MB in the beginning and 51.9 MB in the end (delta: 806.0 kB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:39,036 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory is still 69.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:35:39,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.62 ms. Allocated memory is still 94.4 MB. Free memory was 52.5 MB in the beginning and 62.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:39,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.17 ms. Allocated memory is still 94.4 MB. Free memory was 62.7 MB in the beginning and 57.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:39,040 INFO L168 Benchmark]: Boogie Preprocessor took 54.98 ms. Allocated memory is still 94.4 MB. Free memory was 57.3 MB in the beginning and 53.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:39,042 INFO L168 Benchmark]: RCFGBuilder took 1134.84 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.7 MB in the beginning and 59.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:39,043 INFO L168 Benchmark]: BuchiAutomizer took 156.42 ms. Allocated memory is still 113.2 MB. Free memory was 59.2 MB in the beginning and 52.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:39,043 INFO L168 Benchmark]: Witness Printer took 5.89 ms. Allocated memory is still 113.2 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:35:39,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory is still 69.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 447.62 ms. Allocated memory is still 94.4 MB. Free memory was 52.5 MB in the beginning and 62.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.17 ms. Allocated memory is still 94.4 MB. Free memory was 62.7 MB in the beginning and 57.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.98 ms. Allocated memory is still 94.4 MB. Free memory was 57.3 MB in the beginning and 53.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1134.84 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.7 MB in the beginning and 59.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 156.42 ms. Allocated memory is still 113.2 MB. Free memory was 59.2 MB in the beginning and 52.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.89 ms. Allocated memory is still 113.2 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.1s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. 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: nont0 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: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 08:35:39,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a848ac49-fb58-4bc7-83ac-e89ca4275c17/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...