./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0 --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 db1e722f73dbd7795cdbaca4c816f6c8a0f90138145d9f90bf0f222b7dd371eb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:07:19,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:07:19,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:07:19,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:07:19,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:07:19,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:07:19,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:07:19,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:07:19,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:07:19,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:07:19,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:07:19,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:07:19,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:07:19,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:07:19,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:07:19,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:07:19,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:07:19,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:07:19,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:07:19,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:07:19,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:07:19,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:07:19,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:07:19,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:07:19,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:07:19,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:07:19,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:07:19,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:07:19,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:07:19,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:07:19,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:07:19,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:07:19,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:07:19,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:07:19,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:07:19,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:07:19,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:07:19,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:07:19,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:07:19,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:07:19,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:07:19,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-22 16:07:19,719 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:07:19,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:07:19,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:07:19,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:07:19,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:07:19,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:07:19,722 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:07:19,722 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 16:07:19,722 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 16:07:19,723 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 16:07:19,723 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 16:07:19,723 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 16:07:19,723 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 16:07:19,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:07:19,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:07:19,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 16:07:19,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:07:19,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:07:19,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:07:19,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 16:07:19,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 16:07:19,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 16:07:19,725 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:07:19,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:07:19,726 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 16:07:19,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:07:19,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 16:07:19,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:07:19,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:07:19,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:07:19,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:07:19,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:07:19,729 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 16:07:19,729 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_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db1e722f73dbd7795cdbaca4c816f6c8a0f90138145d9f90bf0f222b7dd371eb [2021-11-22 16:07:20,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:07:20,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:07:20,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:07:20,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:07:20,108 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:07:20,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-11-22 16:07:20,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/data/d21bb7084/a3ad7d8dcef84228b4d9bb7d549c789a/FLAG452e9794d [2021-11-22 16:07:20,716 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:07:20,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-11-22 16:07:20,731 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/data/d21bb7084/a3ad7d8dcef84228b4d9bb7d549c789a/FLAG452e9794d [2021-11-22 16:07:21,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/data/d21bb7084/a3ad7d8dcef84228b4d9bb7d549c789a [2021-11-22 16:07:21,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:07:21,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:07:21,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:07:21,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:07:21,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:07:21,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d0cf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21, skipping insertion in model container [2021-11-22 16:07:21,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:07:21,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:07:21,392 WARN L230 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_c7afb790-14a2-4f63-998c-04b02ee2f09d/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2021-11-22 16:07:21,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:07:21,402 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:07:21,453 WARN L230 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_c7afb790-14a2-4f63-998c-04b02ee2f09d/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2021-11-22 16:07:21,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:07:21,471 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:07:21,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21 WrapperNode [2021-11-22 16:07:21,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:07:21,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:07:21,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:07:21,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:07:21,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,551 INFO L137 Inliner]: procedures = 24, calls = 29, calls flagged for inlining = 24, calls inlined = 39, statements flattened = 674 [2021-11-22 16:07:21,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:07:21,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:07:21,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:07:21,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:07:21,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:07:21,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:07:21,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:07:21,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:07:21,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21" (1/1) ... [2021-11-22 16:07:21,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:21,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:21,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:21,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 16:07:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:07:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 16:07:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:07:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:07:21,848 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:07:21,850 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:07:21,861 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:07:21,870 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:07:21,877 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:07:21,884 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:07:21,894 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:07:21,904 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:07:21,915 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:07:22,473 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-11-22 16:07:22,473 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-11-22 16:07:22,474 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2021-11-22 16:07:22,474 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2021-11-22 16:07:22,474 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !false; [2021-11-22 16:07:22,474 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume false; [2021-11-22 16:07:22,474 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-11-22 16:07:22,475 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-11-22 16:07:22,475 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-11-22 16:07:22,475 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-11-22 16:07:22,475 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-11-22 16:07:22,475 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-11-22 16:07:22,476 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2021-11-22 16:07:22,476 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2021-11-22 16:07:22,476 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:07:22,504 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:07:22,504 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 16:07:22,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:07:22 BoogieIcfgContainer [2021-11-22 16:07:22,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:07:22,509 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 16:07:22,509 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 16:07:22,517 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 16:07:22,517 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:07:22,518 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 04:07:21" (1/3) ... [2021-11-22 16:07:22,520 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6217b2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 04:07:22, skipping insertion in model container [2021-11-22 16:07:22,520 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:07:22,520 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:21" (2/3) ... [2021-11-22 16:07:22,521 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6217b2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 04:07:22, skipping insertion in model container [2021-11-22 16:07:22,521 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:07:22,521 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:07:22" (3/3) ... [2021-11-22 16:07:22,522 INFO L388 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2021-11-22 16:07:22,589 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 16:07:22,590 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 16:07:22,590 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 16:07:22,591 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 16:07:22,591 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 16:07:22,591 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 16:07:22,591 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 16:07:22,592 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 16:07:22,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 180 states, 179 states have (on average 1.4804469273743017) internal successors, (265), 179 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:07:22,701 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 16:07:22,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-22 16:07:22,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 04:07:22 BoogieIcfgContainer [2021-11-22 16:07:22,710 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 16:07:22,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 16:07:22,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 16:07:22,713 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 16:07:22,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:07:22" (3/4) ... [2021-11-22 16:07:22,717 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 16:07:22,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 16:07:22,722 INFO L158 Benchmark]: Toolchain (without parser) took 1646.40ms. Allocated memory was 86.0MB in the beginning and 130.0MB in the end (delta: 44.0MB). Free memory was 48.1MB in the beginning and 63.8MB in the end (delta: -15.7MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-22 16:07:22,723 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:07:22,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.60ms. Allocated memory was 86.0MB in the beginning and 130.0MB in the end (delta: 44.0MB). Free memory was 47.9MB in the beginning and 102.1MB in the end (delta: -54.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 16:07:22,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.92ms. Allocated memory is still 130.0MB. Free memory was 102.1MB in the beginning and 98.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 16:07:22,728 INFO L158 Benchmark]: Boogie Preprocessor took 94.09ms. Allocated memory is still 130.0MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:07:22,729 INFO L158 Benchmark]: RCFGBuilder took 859.93ms. Allocated memory is still 130.0MB. Free memory was 96.5MB in the beginning and 70.7MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-22 16:07:22,730 INFO L158 Benchmark]: BuchiAutomizer took 201.17ms. Allocated memory is still 130.0MB. Free memory was 70.0MB in the beginning and 64.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 16:07:22,731 INFO L158 Benchmark]: Witness Printer took 6.42ms. Allocated memory is still 130.0MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:07:22,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.60ms. Allocated memory was 86.0MB in the beginning and 130.0MB in the end (delta: 44.0MB). Free memory was 47.9MB in the beginning and 102.1MB in the end (delta: -54.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.92ms. Allocated memory is still 130.0MB. Free memory was 102.1MB in the beginning and 98.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.09ms. Allocated memory is still 130.0MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 859.93ms. Allocated memory is still 130.0MB. Free memory was 96.5MB in the beginning and 70.7MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 201.17ms. Allocated memory is still 130.0MB. Free memory was 70.0MB in the beginning and 64.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 6.42ms. Allocated memory is still 130.0MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 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! [2021-11-22 16:07:22,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7afb790-14a2-4f63-998c-04b02ee2f09d/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE