./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU --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 fbe45bb4ca052953a54d14d8a6c59d3ad4dffea2d79405d2d0991dfe1c3b0253 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:48:01,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:48:01,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:48:01,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:48:01,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:48:01,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:48:01,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:48:01,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:48:01,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:48:01,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:48:01,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:48:01,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:48:01,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:48:01,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:48:01,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:48:01,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:48:01,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:48:01,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:48:01,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:48:01,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:48:01,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:48:01,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:48:01,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:48:01,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:48:01,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:48:01,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:48:01,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:48:01,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:48:01,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:48:01,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:48:01,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:48:01,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:48:01,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:48:01,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:48:01,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:48:01,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:48:01,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:48:01,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:48:01,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:48:01,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:48:01,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:48:01,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:48:01,584 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:48:01,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:48:01,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:48:01,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:48:01,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:48:01,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:48:01,587 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:48:01,588 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:48:01,588 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:48:01,588 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:48:01,589 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:48:01,590 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:48:01,590 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:48:01,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:48:01,591 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:48:01,591 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:48:01,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:48:01,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:48:01,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:48:01,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:48:01,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:48:01,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:48:01,593 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:48:01,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:48:01,593 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:48:01,593 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:48:01,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:48:01,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:48:01,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:48:01,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:48:01,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:48:01,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:48:01,598 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:48:01,599 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_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbe45bb4ca052953a54d14d8a6c59d3ad4dffea2d79405d2d0991dfe1c3b0253 [2021-11-02 22:48:01,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:48:01,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:48:01,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:48:01,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:48:01,989 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:48:01,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2021-11-02 22:48:02,076 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/data/47e1cf06b/23dd0abbd726467d931384deec8e29b1/FLAGa3d4642c9 [2021-11-02 22:48:02,709 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:48:02,711 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2021-11-02 22:48:02,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/data/47e1cf06b/23dd0abbd726467d931384deec8e29b1/FLAGa3d4642c9 [2021-11-02 22:48:02,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/data/47e1cf06b/23dd0abbd726467d931384deec8e29b1 [2021-11-02 22:48:02,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:48:02,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:48:02,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:48:02,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:48:02,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:48:02,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:48:02" (1/1) ... [2021-11-02 22:48:02,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76111663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:02, skipping insertion in model container [2021-11-02 22:48:02,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:48:02" (1/1) ... [2021-11-02 22:48:02,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:48:02,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:48:03,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:48:03,019 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:48:03,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:48:03,054 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:48:03,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03 WrapperNode [2021-11-02 22:48:03,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:48:03,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:48:03,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:48:03,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:48:03,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03" (1/1) ... [2021-11-02 22:48:03,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03" (1/1) ... [2021-11-02 22:48:03,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:48:03,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:48:03,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:48:03,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:48:03,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03" (1/1) ... [2021-11-02 22:48:03,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03" (1/1) ... [2021-11-02 22:48:03,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03" (1/1) ... [2021-11-02 22:48:03,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03" (1/1) ... [2021-11-02 22:48:03,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03" (1/1) ... [2021-11-02 22:48:03,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03" (1/1) ... [2021-11-02 22:48:03,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03" (1/1) ... [2021-11-02 22:48:03,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:48:03,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:48:03,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:48:03,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:48:03,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03" (1/1) ... [2021-11-02 22:48:03,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:48:03,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:48:03,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:48:03,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:48:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:48:03,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:48:03,426 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:48:03,426 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-02 22:48:03,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:48:03 BoogieIcfgContainer [2021-11-02 22:48:03,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:48:03,429 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:48:03,429 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:48:03,433 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:48:03,434 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:48:03,434 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:48:02" (1/3) ... [2021-11-02 22:48:03,436 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@461cbaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:48:03, skipping insertion in model container [2021-11-02 22:48:03,436 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:48:03,436 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:03" (2/3) ... [2021-11-02 22:48:03,436 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@461cbaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:48:03, skipping insertion in model container [2021-11-02 22:48:03,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:48:03,437 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:48:03" (3/3) ... [2021-11-02 22:48:03,438 INFO L389 chiAutomizerObserver]: Analyzing ICFG dijkstra1-both-t.c [2021-11-02 22:48:03,495 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:48:03,495 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:48:03,495 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:48:03,495 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:48:03,495 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:48:03,495 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:48:03,496 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:48:03,496 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:48:03,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-11-02 22:48:03,533 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-11-02 22:48:03,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:48:03,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:48:03,540 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-11-02 22:48:03,541 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-02 22:48:03,541 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:48:03,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-11-02 22:48:03,542 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-11-02 22:48:03,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:48:03,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:48:03,543 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-11-02 22:48:03,543 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-02 22:48:03,551 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~n~0, main_~p~0, main_~q~0, main_~r~0, main_~h~0;havoc main_~n~0;havoc main_~p~0;havoc main_~q~0;havoc main_~r~0;havoc main_~h~0;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~p~0 := 0;main_~q~0 := 1;main_~r~0 := main_~n~0;main_~h~0 := 0; 5#L39-2true [2021-11-02 22:48:03,552 INFO L793 eck$LassoCheckResult]: Loop: 5#L39-2true assume !!(main_~q~0 <= main_~n~0);main_~q~0 := 4 * main_~q~0; 5#L39-2true [2021-11-02 22:48:03,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:48:03,559 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-11-02 22:48:03,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:48:03,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946100654] [2021-11-02 22:48:03,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:48:03,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:48:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:48:03,661 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:48:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:48:03,680 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:48:03,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:48:03,685 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-11-02 22:48:03,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:48:03,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353928542] [2021-11-02 22:48:03,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:48:03,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:48:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:48:03,695 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:48:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:48:03,704 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:48:03,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:48:03,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-11-02 22:48:03,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:48:03,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217411118] [2021-11-02 22:48:03,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:48:03,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:48:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:48:03,727 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:48:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:48:03,737 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:48:03,929 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:48:03,930 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:48:03,931 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:48:03,931 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:48:03,940 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:48:03,941 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:48:03,941 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:48:03,941 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:48:03,941 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2021-11-02 22:48:03,941 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:48:03,942 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:48:03,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:48:03,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:48:04,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:48:04,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:48:04,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:48:04,170 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:48:04,171 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:48:04,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:48:04,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:48:04,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:48:04,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:48:04,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:48:04,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:48:04,213 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:48:04,213 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:48:04,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:48:04,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:48:04,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:48:04,261 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:48:04,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:48:04,264 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:48:04,264 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:48:04,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:48:04,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:48:04,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:48:04,316 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:48:04,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:48:04,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:48:04,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:48:04,443 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 22:48:04,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:48:04,450 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:48:04,450 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:48:04,450 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:48:04,450 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:48:04,451 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:48:04,451 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:48:04,451 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:48:04,451 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:48:04,451 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2021-11-02 22:48:04,451 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:48:04,451 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:48:04,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:48:04,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:48:04,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:48:04,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:48:04,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:48:04,540 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:48:04,545 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:48:04,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:48:04,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:48:04,549 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:48:04,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:48:04,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:48:04,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:48:04,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:48:04,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:48:04,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:48:04,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:48:04,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:48:04,601 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:48:04,610 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-02 22:48:04,611 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-02 22:48:04,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:48:04,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:48:04,616 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:48:04,660 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:48:04,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 22:48:04,693 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-02 22:48:04,694 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:48:04,695 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~q~0) = 2*ULTIMATE.start_main_~n~0 - 2*ULTIMATE.start_main_~q~0 + 3 Supporting invariants [1*ULTIMATE.start_main_~q~0 - 1 >= 0] [2021-11-02 22:48:04,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:48:04,742 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-11-02 22:48:04,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:48:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:48:04,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 22:48:04,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:48:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:48:04,811 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-02 22:48:04,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:48:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:48:04,836 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-02 22:48:04,837 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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) [2021-11-02 22:48:04,921 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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) Result 25 states and 35 transitions. Complement of second has 6 states. [2021-11-02 22:48:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-02 22:48:04,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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) [2021-11-02 22:48:04,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-11-02 22:48:04,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 1 letters. Loop has 1 letters. [2021-11-02 22:48:04,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:48:04,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 2 letters. Loop has 1 letters. [2021-11-02 22:48:04,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:48:04,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 1 letters. Loop has 2 letters. [2021-11-02 22:48:04,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:48:04,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 35 transitions. [2021-11-02 22:48:04,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-02 22:48:04,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 6 states and 9 transitions. [2021-11-02 22:48:04,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-11-02 22:48:04,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-11-02 22:48:04,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. [2021-11-02 22:48:04,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:48:04,944 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2021-11-02 22:48:04,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. [2021-11-02 22:48:04,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. [2021-11-02 22:48:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-02 22:48:04,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2021-11-02 22:48:04,974 INFO L704 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2021-11-02 22:48:04,974 INFO L587 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2021-11-02 22:48:04,974 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:48:04,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. [2021-11-02 22:48:04,976 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-02 22:48:04,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:48:04,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:48:04,977 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:48:04,978 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 22:48:04,978 INFO L791 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~n~0, main_~p~0, main_~q~0, main_~r~0, main_~h~0;havoc main_~n~0;havoc main_~p~0;havoc main_~q~0;havoc main_~r~0;havoc main_~h~0;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~p~0 := 0;main_~q~0 := 1;main_~r~0 := main_~n~0;main_~h~0 := 0; 72#L39-2 assume !(main_~q~0 <= main_~n~0); 73#L60-2 [2021-11-02 22:48:04,978 INFO L793 eck$LassoCheckResult]: Loop: 73#L60-2 assume !!(main_~r~0 >= 2 * main_~p~0 + main_~q~0);main_~q~0 := (if main_~q~0 < 0 && 0 != main_~q~0 % 4 then 1 + main_~q~0 / 4 else main_~q~0 / 4);main_~h~0 := main_~p~0 + main_~q~0;main_~p~0 := (if main_~p~0 < 0 && 0 != main_~p~0 % 2 then 1 + main_~p~0 / 2 else main_~p~0 / 2); 76#L60 assume main_~r~0 >= main_~h~0;main_~p~0 := main_~p~0 + main_~q~0;main_~r~0 := main_~r~0 - main_~h~0; 73#L60-2 [2021-11-02 22:48:04,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:48:04,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1000, now seen corresponding path program 1 times [2021-11-02 22:48:04,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:48:04,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184010313] [2021-11-02 22:48:04,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:48:04,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:48:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:48:04,992 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:48:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:48:05,003 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:48:05,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:48:05,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1636, now seen corresponding path program 1 times [2021-11-02 22:48:05,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:48:05,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267295357] [2021-11-02 22:48:05,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:48:05,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:48:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:48:05,056 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:48:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:48:05,091 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:48:05,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:48:05,092 INFO L85 PathProgramCache]: Analyzing trace with hash 961675, now seen corresponding path program 1 times [2021-11-02 22:48:05,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:48:05,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756489149] [2021-11-02 22:48:05,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:48:05,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:48:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:48:05,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:48:05,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:48:05,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756489149] [2021-11-02 22:48:05,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756489149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:48:05,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:48:05,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:48:05,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426445326] [2021-11-02 22:48:05,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:48:05,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:48:05,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:48:05,472 INFO L87 Difference]: Start difference. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-02 22:48:05,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:48:05,493 INFO L93 Difference]: Finished difference Result 4 states and 5 transitions. [2021-11-02 22:48:05,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:48:05,494 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 5 transitions. [2021-11-02 22:48:05,495 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:48:05,495 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. [2021-11-02 22:48:05,495 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:48:05,496 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:48:05,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:48:05,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:48:05,496 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:48:05,497 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:48:05,500 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:48:05,500 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 22:48:05,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:48:05,501 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:48:05,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-02 22:48:05,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:48:05 BoogieIcfgContainer [2021-11-02 22:48:05,511 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:48:05,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:48:05,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:48:05,520 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:48:05,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:48:03" (3/4) ... [2021-11-02 22:48:05,524 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:48:05,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:48:05,526 INFO L168 Benchmark]: Toolchain (without parser) took 2771.82 ms. Allocated memory is still 117.4 MB. Free memory was 79.8 MB in the beginning and 66.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:48:05,527 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory is still 96.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:48:05,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.41 ms. Allocated memory is still 117.4 MB. Free memory was 79.7 MB in the beginning and 94.1 MB in the end (delta: -14.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:48:05,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.67 ms. Allocated memory is still 117.4 MB. Free memory was 94.1 MB in the beginning and 92.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:48:05,537 INFO L168 Benchmark]: Boogie Preprocessor took 35.73 ms. Allocated memory is still 117.4 MB. Free memory was 92.7 MB in the beginning and 91.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:48:05,537 INFO L168 Benchmark]: RCFGBuilder took 292.72 ms. Allocated memory is still 117.4 MB. Free memory was 91.6 MB in the beginning and 83.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:48:05,538 INFO L168 Benchmark]: BuchiAutomizer took 2081.81 ms. Allocated memory is still 117.4 MB. Free memory was 83.7 MB in the beginning and 67.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:48:05,538 INFO L168 Benchmark]: Witness Printer took 12.75 ms. Allocated memory is still 117.4 MB. Free memory was 67.0 MB in the beginning and 66.3 MB in the end (delta: 770.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:48:05,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory is still 96.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 298.41 ms. Allocated memory is still 117.4 MB. Free memory was 79.7 MB in the beginning and 94.1 MB in the end (delta: -14.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.67 ms. Allocated memory is still 117.4 MB. Free memory was 94.1 MB in the beginning and 92.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.73 ms. Allocated memory is still 117.4 MB. Free memory was 92.7 MB in the beginning and 91.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 292.72 ms. Allocated memory is still 117.4 MB. Free memory was 91.6 MB in the beginning and 83.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2081.81 ms. Allocated memory is still 117.4 MB. Free memory was 83.7 MB in the beginning and 67.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * Witness Printer took 12.75 ms. Allocated memory is still 117.4 MB. Free memory was 67.0 MB in the beginning and 66.3 MB in the end (delta: 770.8 kB). 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 Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * n + -2 * q + 3 and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 7 SDslu, 3 SDs, 0 SdLazy, 12 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq187 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 147ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-02 22:48:05,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:48:05,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d7b6c-4ecf-46c1-94fc-425fcbf12418/bin/uautomizer-tBqnrhUYjU/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