./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro --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 64bit --witnessprinter.graph.data.programhash d5d25da990643b4b5025c4e511382360ecc906ce1073cabf600162c7aef9f4cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:50:59,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:50:59,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:50:59,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:50:59,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:50:59,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:50:59,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:50:59,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:50:59,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:50:59,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:50:59,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:50:59,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:50:59,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:50:59,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:50:59,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:50:59,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:50:59,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:50:59,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:50:59,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:50:59,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:50:59,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:50:59,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:50:59,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:50:59,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:50:59,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:50:59,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:50:59,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:50:59,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:50:59,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:50:59,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:50:59,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:50:59,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:50:59,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:50:59,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:50:59,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:50:59,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:50:59,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:50:59,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:50:59,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:50:59,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:50:59,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:50:59,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:50:59,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:50:59,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:50:59,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:50:59,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:50:59,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:50:59,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:50:59,544 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:50:59,544 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:50:59,544 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:50:59,545 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:50:59,546 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:50:59,546 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:50:59,546 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:50:59,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:50:59,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:50:59,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:50:59,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:50:59,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:50:59,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:50:59,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:50:59,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:50:59,559 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:50:59,559 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:50:59,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:50:59,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:50:59,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:50:59,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:50:59,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:50:59,562 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:50:59,562 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_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5d25da990643b4b5025c4e511382360ecc906ce1073cabf600162c7aef9f4cd [2022-11-18 20:50:59,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:50:59,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:50:59,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:50:59,952 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:50:59,953 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:50:59,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-bwb/and-06.c [2022-11-18 20:51:00,034 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/data/2110f8715/19b3222edb984fd4b1f3f698c03f91e4/FLAG7a6efa2b5 [2022-11-18 20:51:00,531 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:51:00,532 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/sv-benchmarks/c/termination-bwb/and-06.c [2022-11-18 20:51:00,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/data/2110f8715/19b3222edb984fd4b1f3f698c03f91e4/FLAG7a6efa2b5 [2022-11-18 20:51:00,882 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/data/2110f8715/19b3222edb984fd4b1f3f698c03f91e4 [2022-11-18 20:51:00,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:51:00,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:51:00,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:51:00,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:51:00,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:51:00,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:51:00" (1/1) ... [2022-11-18 20:51:00,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f84ac43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:00, skipping insertion in model container [2022-11-18 20:51:00,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:51:00" (1/1) ... [2022-11-18 20:51:00,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:51:00,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:51:01,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:51:01,233 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:51:01,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:51:01,274 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:51:01,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01 WrapperNode [2022-11-18 20:51:01,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:51:01,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:51:01,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:51:01,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:51:01,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (1/1) ... [2022-11-18 20:51:01,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (1/1) ... [2022-11-18 20:51:01,318 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2022-11-18 20:51:01,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:51:01,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:51:01,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:51:01,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:51:01,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (1/1) ... [2022-11-18 20:51:01,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (1/1) ... [2022-11-18 20:51:01,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (1/1) ... [2022-11-18 20:51:01,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (1/1) ... [2022-11-18 20:51:01,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (1/1) ... [2022-11-18 20:51:01,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (1/1) ... [2022-11-18 20:51:01,360 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (1/1) ... [2022-11-18 20:51:01,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (1/1) ... [2022-11-18 20:51:01,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:51:01,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:51:01,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:51:01,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:51:01,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (1/1) ... [2022-11-18 20:51:01,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:01,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:01,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:01,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:51:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:51:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:51:01,532 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:51:01,534 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:51:01,648 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:51:01,656 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:51:01,656 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:51:01,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:51:01 BoogieIcfgContainer [2022-11-18 20:51:01,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:51:01,662 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:51:01,662 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:51:01,667 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:51:01,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:51:01,668 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:51:00" (1/3) ... [2022-11-18 20:51:01,669 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8aaaa00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:51:01, skipping insertion in model container [2022-11-18 20:51:01,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:51:01,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:01" (2/3) ... [2022-11-18 20:51:01,670 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8aaaa00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:51:01, skipping insertion in model container [2022-11-18 20:51:01,670 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:51:01,670 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:51:01" (3/3) ... [2022-11-18 20:51:01,672 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-06.c [2022-11-18 20:51:01,740 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:51:01,741 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:51:01,741 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:51:01,741 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:51:01,741 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:51:01,742 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:51:01,742 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:51:01,742 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:51:01,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2022-11-18 20:51:01,770 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-18 20:51:01,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:51:01,770 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:51:01,779 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:51:01,779 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:51:01,779 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:51:01,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2022-11-18 20:51:01,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-18 20:51:01,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:51:01,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:51:01,782 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:51:01,782 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:51:01,792 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L21-4true [2022-11-18 20:51:01,792 INFO L750 eck$LassoCheckResult]: Loop: 9#L21-4true assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 4#L18true assume !(main_~a~0#1 > 0); 6#L21true assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_~x~0#1 := 0; 9#L21-4true [2022-11-18 20:51:01,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:01,800 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 20:51:01,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:01,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961612442] [2022-11-18 20:51:01,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:01,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:01,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:51:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:01,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:51:01,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:01,932 INFO L85 PathProgramCache]: Analyzing trace with hash 41229, now seen corresponding path program 1 times [2022-11-18 20:51:01,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:01,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135612449] [2022-11-18 20:51:01,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:01,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:01,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:51:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:01,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:51:01,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:01,967 INFO L85 PathProgramCache]: Analyzing trace with hash 28700171, now seen corresponding path program 1 times [2022-11-18 20:51:01,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:01,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849390558] [2022-11-18 20:51:01,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:01,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:01,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:51:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:01,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:51:02,149 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:51:02,163 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:51:02,164 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:51:02,164 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:51:02,164 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:51:02,164 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:02,164 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:51:02,165 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:51:02,165 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration1_Loop [2022-11-18 20:51:02,165 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:51:02,165 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:51:02,185 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:02,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:02,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:02,289 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:51:02,303 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:51:02,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:02,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:02,331 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:02,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:51:02,356 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:51:02,356 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:51:02,388 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:51:02,388 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 20:51:02,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:02,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:02,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:02,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:02,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:51:02,401 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:51:02,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:51:02,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:02,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:02,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:02,444 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:02,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:51:02,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:51:02,451 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:51:02,546 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:51:02,546 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=1} Honda state: {ULTIMATE.start_main_~a~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=0}] Lambdas: [12, 1, 1] Nus: [0, 0] [2022-11-18 20:51:02,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:02,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:02,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:02,557 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:02,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:51:02,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:51:02,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:51:02,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:02,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:02,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:02,596 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:02,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:51:02,614 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:51:02,615 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:51:02,651 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:51:02,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-18 20:51:02,662 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:51:02,662 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:51:02,662 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:51:02,662 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:51:02,662 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:51:02,662 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:02,663 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:51:02,663 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:51:02,663 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration1_Loop [2022-11-18 20:51:02,663 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:51:02,663 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:51:02,665 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:02,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:02,681 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:02,746 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:51:02,751 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:51:02,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:02,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:02,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:02,764 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 [2022-11-18 20:51:02,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:51:02,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:02,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:51:02,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:02,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:02,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:02,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:51:02,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:51:02,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:02,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:02,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:02,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:02,805 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:02,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:51:02,812 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 [2022-11-18 20:51:02,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:02,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:51:02,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:02,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:02,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:02,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:51:02,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:51:02,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:02,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:02,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:02,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:02,857 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:02,861 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 [2022-11-18 20:51:02,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:51:02,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:02,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:51:02,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:02,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:02,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:02,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:51:02,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:51:02,893 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:51:02,897 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-18 20:51:02,897 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 20:51:02,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:02,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:02,906 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:02,924 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:51:02,924 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:51:02,924 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:51:02,925 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-18 20:51:02,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:51:02,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:02,945 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:51:02,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:03,001 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:51:03,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:03,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:51:03,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:03,132 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:51:03,135 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-18 20:51:03,235 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 49 states and 79 transitions. Complement of second has 9 states. [2022-11-18 20:51:03,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 20:51:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-18 20:51:03,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2022-11-18 20:51:03,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 51 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-18 20:51:03,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:51:03,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 51 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-18 20:51:03,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:51:03,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 51 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-18 20:51:03,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:51:03,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 79 transitions. [2022-11-18 20:51:03,253 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-18 20:51:03,258 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 25 states and 37 transitions. [2022-11-18 20:51:03,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:51:03,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:51:03,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 37 transitions. [2022-11-18 20:51:03,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:51:03,261 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 37 transitions. [2022-11-18 20:51:03,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 37 transitions. [2022-11-18 20:51:03,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 14. [2022-11-18 20:51:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 13 states have internal predecessors, (21), 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) [2022-11-18 20:51:03,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2022-11-18 20:51:03,292 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 21 transitions. [2022-11-18 20:51:03,293 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 21 transitions. [2022-11-18 20:51:03,293 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:51:03,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 21 transitions. [2022-11-18 20:51:03,294 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:51:03,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:51:03,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:51:03,294 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:51:03,294 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:51:03,295 INFO L748 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 116#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 119#L21-4 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 110#L18 [2022-11-18 20:51:03,295 INFO L750 eck$LassoCheckResult]: Loop: 110#L18 assume main_~a~0#1 > 0; 111#L19 assume !(0 == main_~x~0#1 || 0 == main_~a~0#1); 106#L19-2 assume main_~x~0#1 == main_~a~0#1;main_~x~0#1 := main_~x~0#1; 107#L21-4 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 110#L18 [2022-11-18 20:51:03,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:03,296 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-18 20:51:03,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:03,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616196062] [2022-11-18 20:51:03,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:03,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:03,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:51:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:03,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:51:03,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1359547, now seen corresponding path program 1 times [2022-11-18 20:51:03,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:03,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135379692] [2022-11-18 20:51:03,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:03,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:03,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:51:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:03,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:51:03,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:03,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1810663394, now seen corresponding path program 1 times [2022-11-18 20:51:03,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:03,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865510767] [2022-11-18 20:51:03,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:03,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:03,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:51:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:03,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:51:03,379 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:51:03,379 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:51:03,379 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:51:03,379 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:51:03,379 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:51:03,380 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:03,380 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:51:03,380 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:51:03,380 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration2_Loop [2022-11-18 20:51:03,380 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:51:03,380 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:51:03,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,447 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:51:03,447 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:51:03,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:03,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:03,452 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:03,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:51:03,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:51:03,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:51:03,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:03,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:03,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:03,484 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:03,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:51:03,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:51:03,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:51:03,531 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:51:03,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:03,541 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:51:03,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:51:03,541 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:51:03,541 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:51:03,541 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:51:03,542 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:03,542 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:51:03,542 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:51:03,542 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration2_Loop [2022-11-18 20:51:03,542 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:51:03,542 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:51:03,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,601 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:51:03,601 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:51:03,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:03,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:03,603 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:03,612 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 [2022-11-18 20:51:03,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:51:03,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:03,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:51:03,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:03,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:03,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:03,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:51:03,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:51:03,642 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:51:03,649 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-18 20:51:03,649 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-18 20:51:03,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:03,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:03,655 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:03,666 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:51:03,666 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:51:03,666 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:51:03,666 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = 1*ULTIMATE.start_main_~a~0#1 Supporting invariants [] [2022-11-18 20:51:03,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:51:03,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:03,677 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:51:03,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:03,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:51:03,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:03,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:51:03,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:03,744 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:51:03,745 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 21 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-18 20:51:03,788 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 21 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 31 states and 47 transitions. Complement of second has 6 states. [2022-11-18 20:51:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:51:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-18 20:51:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-18 20:51:03,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-18 20:51:03,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:51:03,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-18 20:51:03,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:51:03,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 8 letters. [2022-11-18 20:51:03,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:51:03,793 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 47 transitions. [2022-11-18 20:51:03,795 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:51:03,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2022-11-18 20:51:03,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:51:03,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:51:03,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:51:03,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:51:03,795 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:51:03,796 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:51:03,796 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:51:03,796 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:51:03,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:51:03,796 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:51:03,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:51:03,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:51:03 BoogieIcfgContainer [2022-11-18 20:51:03,808 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:51:03,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:51:03,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:51:03,814 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:51:03,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:51:01" (3/4) ... [2022-11-18 20:51:03,818 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:51:03,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:51:03,820 INFO L158 Benchmark]: Toolchain (without parser) took 2931.38ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 56.5MB in the beginning and 53.1MB in the end (delta: 3.4MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2022-11-18 20:51:03,821 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 98.6MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:51:03,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.71ms. Allocated memory is still 98.6MB. Free memory was 56.3MB in the beginning and 74.3MB in the end (delta: -18.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:51:03,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.84ms. Allocated memory is still 98.6MB. Free memory was 74.3MB in the beginning and 72.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:51:03,826 INFO L158 Benchmark]: Boogie Preprocessor took 48.17ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 71.8MB in the end (delta: 793.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:51:03,832 INFO L158 Benchmark]: RCFGBuilder took 290.26ms. Allocated memory is still 98.6MB. Free memory was 71.8MB in the beginning and 62.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:51:03,833 INFO L158 Benchmark]: BuchiAutomizer took 2147.65ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.1MB in the beginning and 53.1MB in the end (delta: 9.0MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-11-18 20:51:03,834 INFO L158 Benchmark]: Witness Printer took 7.50ms. Allocated memory is still 119.5MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:51:03,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 98.6MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.71ms. Allocated memory is still 98.6MB. Free memory was 56.3MB in the beginning and 74.3MB in the end (delta: -18.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.84ms. Allocated memory is still 98.6MB. Free memory was 74.3MB in the beginning and 72.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.17ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 71.8MB in the end (delta: 793.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 290.26ms. Allocated memory is still 98.6MB. Free memory was 71.8MB in the beginning and 62.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2147.65ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.1MB in the beginning and 53.1MB in the end (delta: 9.0MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 7.50ms. Allocated memory is still 119.5MB. Free memory is still 53.1MB. 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 Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 6 locations. One deterministic module has affine ranking function a and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 14 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp82 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf92 smp100 dnf100 smp100 tf109 neg97 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:51:03,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:04,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:04,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705ed96f-6639-4d2c-95ec-b057e3879224/bin/uautomizer-TMbwUNV5ro/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