./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/count_up_and_down_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/count_up_and_down_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8 --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 00bfc508b8ea24f88f85b042e795fbae14e8287990a04ebdf542583ad129e19a --- 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-e04fb08 [2022-11-16 11:56:25,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:56:25,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:56:25,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:56:25,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:56:25,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:56:25,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:56:25,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:56:25,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:56:25,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:56:25,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:56:25,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:56:25,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:56:25,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:56:25,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:56:25,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:56:25,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:56:25,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:56:25,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:56:25,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:56:25,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:56:25,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:56:25,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:56:25,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:56:25,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:56:25,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:56:25,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:56:25,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:56:25,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:56:25,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:56:25,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:56:25,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:56:25,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:56:25,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:56:25,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:56:25,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:56:25,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:56:25,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:56:25,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:56:25,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:56:25,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:56:25,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 11:56:25,391 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:56:25,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:56:25,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:56:25,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:56:25,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:56:25,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:56:25,394 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:56:25,394 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:56:25,395 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:56:25,395 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:56:25,395 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:56:25,395 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:56:25,396 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:56:25,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:56:25,396 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:56:25,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:56:25,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:56:25,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:56:25,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:56:25,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:56:25,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:56:25,398 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:56:25,398 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:56:25,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:56:25,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:56:25,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:56:25,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:56:25,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:56:25,400 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:56:25,401 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_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00bfc508b8ea24f88f85b042e795fbae14e8287990a04ebdf542583ad129e19a [2022-11-16 11:56:25,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:56:25,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:56:25,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:56:25,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:56:25,716 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:56:25,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-15/count_up_and_down_alloca.i [2022-11-16 11:56:25,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/data/b846101ae/e01194730af14d4d9a8786eee7bb18d9/FLAG4b0768fa9 [2022-11-16 11:56:26,397 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:56:26,398 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/sv-benchmarks/c/termination-15/count_up_and_down_alloca.i [2022-11-16 11:56:26,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/data/b846101ae/e01194730af14d4d9a8786eee7bb18d9/FLAG4b0768fa9 [2022-11-16 11:56:26,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/data/b846101ae/e01194730af14d4d9a8786eee7bb18d9 [2022-11-16 11:56:26,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:56:26,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:56:26,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:56:26,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:56:26,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:56:26,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:56:26" (1/1) ... [2022-11-16 11:56:26,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636c80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:26, skipping insertion in model container [2022-11-16 11:56:26,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:56:26" (1/1) ... [2022-11-16 11:56:26,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:56:26,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:56:27,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:56:27,130 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:56:27,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:56:27,254 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:56:27,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27 WrapperNode [2022-11-16 11:56:27,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:56:27,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:56:27,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:56:27,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:56:27,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (1/1) ... [2022-11-16 11:56:27,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (1/1) ... [2022-11-16 11:56:27,332 INFO L138 Inliner]: procedures = 151, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-11-16 11:56:27,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:56:27,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:56:27,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:56:27,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:56:27,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (1/1) ... [2022-11-16 11:56:27,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (1/1) ... [2022-11-16 11:56:27,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (1/1) ... [2022-11-16 11:56:27,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (1/1) ... [2022-11-16 11:56:27,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (1/1) ... [2022-11-16 11:56:27,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (1/1) ... [2022-11-16 11:56:27,386 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (1/1) ... [2022-11-16 11:56:27,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (1/1) ... [2022-11-16 11:56:27,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:56:27,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:56:27,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:56:27,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:56:27,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (1/1) ... [2022-11-16 11:56:27,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:27,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:27,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:27,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:56:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:56:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:56:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:56:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:56:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:56:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:56:27,618 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:56:27,620 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:56:27,800 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:56:27,808 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:56:27,808 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 11:56:27,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:56:27 BoogieIcfgContainer [2022-11-16 11:56:27,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:56:27,812 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:56:27,813 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:56:27,819 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:56:27,820 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:56:27,820 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:56:26" (1/3) ... [2022-11-16 11:56:27,822 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44107938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:56:27, skipping insertion in model container [2022-11-16 11:56:27,822 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:56:27,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:56:27" (2/3) ... [2022-11-16 11:56:27,823 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44107938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:56:27, skipping insertion in model container [2022-11-16 11:56:27,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:56:27,823 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:56:27" (3/3) ... [2022-11-16 11:56:27,825 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_up_and_down_alloca.i [2022-11-16 11:56:27,888 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:56:27,889 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:56:27,889 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:56:27,889 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:56:27,889 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:56:27,889 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:56:27,890 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:56:27,890 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:56:27,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2022-11-16 11:56:27,936 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 11:56:27,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:56:27,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:56:27,942 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:56:27,943 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:56:27,943 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:56:27,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2022-11-16 11:56:27,945 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 11:56:27,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:56:27,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:56:27,950 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:56:27,951 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:56:27,960 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~mem208#1, main_#t~post207#1, main_#t~mem211#1, main_#t~post212#1, main_#t~mem210#1, main_#t~post209#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 14#L367true assume !(main_~length~0#1 < 1); 11#L367-2true call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 7#L369true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);call write~int(0, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~i~0#1 := 1; 2#L371-3true [2022-11-16 11:56:27,961 INFO L750 eck$LassoCheckResult]: Loop: 2#L371-3true assume !!(main_~i~0#1 < main_~length~0#1);call main_#t~mem208#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * (main_~i~0#1 - 1), 4);call write~int(1 + main_#t~mem208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~mem208#1; 13#L371-2true main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 2#L371-3true [2022-11-16 11:56:27,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:27,972 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2022-11-16 11:56:27,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:27,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69913225] [2022-11-16 11:56:27,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:28,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:28,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:28,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:28,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:28,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2022-11-16 11:56:28,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:28,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952018554] [2022-11-16 11:56:28,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:28,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:28,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:28,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:28,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:28,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2022-11-16 11:56:28,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:28,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537453641] [2022-11-16 11:56:28,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:28,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:28,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:28,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:29,039 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:56:29,040 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:56:29,040 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:56:29,040 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:56:29,040 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:56:29,041 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:29,041 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:56:29,041 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:56:29,041 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_and_down_alloca.i_Iteration1_Lasso [2022-11-16 11:56:29,042 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:56:29,043 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:56:29,073 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:29,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:29,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:29,112 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:29,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:29,121 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:29,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:29,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:29,132 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:29,137 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:29,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:29,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:30,015 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:56:30,023 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:56:30,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:56:30,041 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 [2022-11-16 11:56:30,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:56:30,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:56:30,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:30,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-16 11:56:30,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,116 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 [2022-11-16 11:56:30,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:56:30,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:30,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:30,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:30,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:30,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:30,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,158 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:56:30,167 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 [2022-11-16 11:56:30,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:30,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:30,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:30,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:30,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:30,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,207 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,216 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 [2022-11-16 11:56:30,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:56:30,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:30,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:30,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:30,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:30,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:30,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,251 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,260 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 [2022-11-16 11:56:30,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:56:30,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:30,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:30,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:30,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:30,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:30,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,301 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:56:30,307 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 [2022-11-16 11:56:30,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:30,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:30,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:30,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:30,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:30,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,340 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,352 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 [2022-11-16 11:56:30,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:30,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:56:30,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:30,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:30,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:30,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:30,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,393 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:56:30,402 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 [2022-11-16 11:56:30,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:30,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:30,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:30,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:30,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:30,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,445 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,456 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 [2022-11-16 11:56:30,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:30,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 11:56:30,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:30,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:30,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:30,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:30,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,501 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,510 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 [2022-11-16 11:56:30,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:30,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 11:56:30,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:30,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:30,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:30,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:30,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,545 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,554 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 [2022-11-16 11:56:30,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 11:56:30,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:56:30,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:56:30,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:30,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:30,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,604 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,612 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 [2022-11-16 11:56:30,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:30,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:30,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:30,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:30,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 11:56:30,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:56:30,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:56:30,654 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:56:30,701 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-16 11:56:30,701 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-16 11:56:30,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:30,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:30,707 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:30,775 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:56:30,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 11:56:30,808 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:56:30,808 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:56:30,809 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2022-11-16 11:56:30,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:30,843 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2022-11-16 11:56:30,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:30,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:56:30,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:56:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:30,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:56:30,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:56:30,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:56:31,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:31,025 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 [2022-11-16 11:56:31,028 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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 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) [2022-11-16 11:56:31,087 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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 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 39 states and 54 transitions. Complement of second has 7 states. [2022-11-16 11:56:31,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:56:31,095 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) [2022-11-16 11:56:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2022-11-16 11:56:31,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-16 11:56:31,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:56:31,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 11:56:31,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:56:31,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-16 11:56:31,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:56:31,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 54 transitions. [2022-11-16 11:56:31,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:56:31,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 13 states and 17 transitions. [2022-11-16 11:56:31,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:56:31,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 11:56:31,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2022-11-16 11:56:31,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:56:31,111 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-16 11:56:31,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2022-11-16 11:56:31,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-16 11:56:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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) [2022-11-16 11:56:31,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-16 11:56:31,139 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-16 11:56:31,140 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-16 11:56:31,140 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:56:31,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-11-16 11:56:31,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:56:31,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:56:31,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:56:31,142 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:56:31,142 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 11:56:31,142 INFO L748 eck$LassoCheckResult]: Stem: 124#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 125#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~mem208#1, main_#t~post207#1, main_#t~mem211#1, main_#t~post212#1, main_#t~mem210#1, main_#t~post209#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 130#L367 assume !(main_~length~0#1 < 1); 128#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 129#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);call write~int(0, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~i~0#1 := 1; 118#L371-3 assume !(main_~i~0#1 < main_~length~0#1); 119#L371-4 main_~j~0#1 := 0; 123#L374-3 [2022-11-16 11:56:31,142 INFO L750 eck$LassoCheckResult]: Loop: 123#L374-3 assume !!(main_~j~0#1 < main_~length~0#1); 126#L375-3 call main_#t~mem210#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 127#L375-1 assume !(main_#t~mem210#1 > 0);havoc main_#t~mem210#1; 122#L374-2 main_#t~post209#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post209#1;havoc main_#t~post209#1; 123#L374-3 [2022-11-16 11:56:31,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:31,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815505, now seen corresponding path program 1 times [2022-11-16 11:56:31,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:31,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106247887] [2022-11-16 11:56:31,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:31,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:31,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:31,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:31,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:31,202 INFO L85 PathProgramCache]: Analyzing trace with hash 2036812, now seen corresponding path program 1 times [2022-11-16 11:56:31,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:31,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268234050] [2022-11-16 11:56:31,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:31,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:31,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:31,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:31,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:31,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1386095268, now seen corresponding path program 1 times [2022-11-16 11:56:31,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:31,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336012041] [2022-11-16 11:56:31,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:31,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:31,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:31,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:31,562 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:56:31,562 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:56:31,562 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:56:31,562 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:56:31,562 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:56:31,562 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:31,563 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:56:31,563 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:56:31,563 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_and_down_alloca.i_Iteration2_Lasso [2022-11-16 11:56:31,563 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:56:31,563 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:56:31,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:31,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:31,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:31,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:31,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:31,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:31,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:31,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:31,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:31,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:31,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:32,155 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:56:32,155 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:56:32,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:32,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:32,157 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:32,172 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 [2022-11-16 11:56:32,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 11:56:32,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:32,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:32,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:32,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:32,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:32,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:32,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:32,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:32,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:32,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:32,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:32,206 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:32,211 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 [2022-11-16 11:56:32,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 11:56:32,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:32,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:32,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:32,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:32,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:56:32,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:56:32,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:32,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:32,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:32,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:32,256 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:32,283 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 [2022-11-16 11:56:32,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 11:56:32,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:32,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:32,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:32,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:32,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:32,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:32,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:32,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:32,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:32,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:32,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:32,326 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:32,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 11:56:32,336 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 [2022-11-16 11:56:32,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:32,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:32,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:32,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:32,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:32,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:32,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:32,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:32,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:32,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:32,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:32,367 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:32,375 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 [2022-11-16 11:56:32,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 11:56:32,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:32,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:32,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:32,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:32,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:32,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:32,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:32,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:32,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:32,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:32,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:32,417 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:32,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 11:56:32,424 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 [2022-11-16 11:56:32,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:32,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:32,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:32,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:32,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:32,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:32,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:32,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:32,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:32,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:32,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:32,459 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:32,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 11:56:32,478 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 [2022-11-16 11:56:32,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:32,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:32,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:32,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:32,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:32,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:32,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:32,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:32,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:32,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:32,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:32,518 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:32,523 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 [2022-11-16 11:56:32,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 11:56:32,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:32,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:32,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:32,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:32,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:56:32,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:56:32,574 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:56:32,605 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-16 11:56:32,605 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-11-16 11:56:32,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:32,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:32,607 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:32,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:56:32,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 11:56:32,650 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:56:32,650 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:56:32,650 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~arr~0#1.offset, ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_2) = -1*ULTIMATE.start_main_~arr~0#1.offset - 4*ULTIMATE.start_main_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_2 Supporting invariants [] [2022-11-16 11:56:32,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:32,672 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-16 11:56:32,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:32,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:56:32,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:56:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:32,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:56:32,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:56:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:56:32,784 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 [2022-11-16 11:56:32,785 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-16 11:56:32,817 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 19 states and 25 transitions. Complement of second has 6 states. [2022-11-16 11:56:32,817 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 [2022-11-16 11:56:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-16 11:56:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-16 11:56:32,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-16 11:56:32,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:56:32,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 4 letters. [2022-11-16 11:56:32,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:56:32,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 8 letters. [2022-11-16 11:56:32,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:56:32,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2022-11-16 11:56:32,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:56:32,827 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 24 transitions. [2022-11-16 11:56:32,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:56:32,828 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 11:56:32,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2022-11-16 11:56:32,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:56:32,828 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-16 11:56:32,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2022-11-16 11:56:32,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-11-16 11:56:32,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 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) [2022-11-16 11:56:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2022-11-16 11:56:32,832 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-16 11:56:32,832 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-16 11:56:32,832 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:56:32,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2022-11-16 11:56:32,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:56:32,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:56:32,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:56:32,838 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:56:32,838 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:56:32,838 INFO L748 eck$LassoCheckResult]: Stem: 229#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 230#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~mem208#1, main_#t~post207#1, main_#t~mem211#1, main_#t~post212#1, main_#t~mem210#1, main_#t~post209#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 231#L367 assume !(main_~length~0#1 < 1); 223#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 224#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);call write~int(0, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~i~0#1 := 1; 217#L371-3 assume !(main_~i~0#1 < main_~length~0#1); 218#L371-4 main_~j~0#1 := 0; 232#L374-3 assume !!(main_~j~0#1 < main_~length~0#1); 225#L375-3 [2022-11-16 11:56:32,839 INFO L750 eck$LassoCheckResult]: Loop: 225#L375-3 call main_#t~mem210#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 226#L375-1 assume !!(main_#t~mem210#1 > 0);havoc main_#t~mem210#1;call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post212#1 := main_#t~mem211#1;call write~int(main_#t~post212#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem211#1;havoc main_#t~post212#1; 225#L375-3 [2022-11-16 11:56:32,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:32,840 INFO L85 PathProgramCache]: Analyzing trace with hash 176705843, now seen corresponding path program 1 times [2022-11-16 11:56:32,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:32,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049585577] [2022-11-16 11:56:32,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:32,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:32,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:32,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:32,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:32,895 INFO L85 PathProgramCache]: Analyzing trace with hash 2278, now seen corresponding path program 1 times [2022-11-16 11:56:32,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:32,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186579695] [2022-11-16 11:56:32,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:32,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:32,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:32,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:32,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:32,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1984375400, now seen corresponding path program 1 times [2022-11-16 11:56:32,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:32,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263426570] [2022-11-16 11:56:32,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:32,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:56:33,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:56:33,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263426570] [2022-11-16 11:56:33,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263426570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:56:33,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:56:33,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:56:33,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275914405] [2022-11-16 11:56:33,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:56:33,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:56:33,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:56:33,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:56:33,355 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 9 Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2022-11-16 11:56:33,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:56:33,415 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2022-11-16 11:56:33,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2022-11-16 11:56:33,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:56:33,417 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 32 transitions. [2022-11-16 11:56:33,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-16 11:56:33,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 11:56:33,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 32 transitions. [2022-11-16 11:56:33,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:56:33,418 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2022-11-16 11:56:33,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 32 transitions. [2022-11-16 11:56:33,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 18. [2022-11-16 11:56:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 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) [2022-11-16 11:56:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2022-11-16 11:56:33,420 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-16 11:56:33,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:56:33,422 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-16 11:56:33,422 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 11:56:33,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2022-11-16 11:56:33,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:56:33,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:56:33,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:56:33,423 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:56:33,423 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:56:33,424 INFO L748 eck$LassoCheckResult]: Stem: 283#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 284#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~mem208#1, main_#t~post207#1, main_#t~mem211#1, main_#t~post212#1, main_#t~mem210#1, main_#t~post209#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 287#L367 assume !(main_~length~0#1 < 1); 285#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 286#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);call write~int(0, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~i~0#1 := 1; 275#L371-3 assume !(main_~i~0#1 < main_~length~0#1); 276#L371-4 main_~j~0#1 := 0; 289#L374-3 assume !!(main_~j~0#1 < main_~length~0#1); 290#L375-3 call main_#t~mem210#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 288#L375-1 assume !(main_#t~mem210#1 > 0);havoc main_#t~mem210#1; 273#L374-2 main_#t~post209#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post209#1;havoc main_#t~post209#1; 274#L374-3 assume !!(main_~j~0#1 < main_~length~0#1); 279#L375-3 [2022-11-16 11:56:33,424 INFO L750 eck$LassoCheckResult]: Loop: 279#L375-3 call main_#t~mem210#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 280#L375-1 assume !!(main_#t~mem210#1 > 0);havoc main_#t~mem210#1;call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post212#1 := main_#t~mem211#1;call write~int(main_#t~post212#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem211#1;havoc main_#t~post212#1; 279#L375-3 [2022-11-16 11:56:33,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:33,424 INFO L85 PathProgramCache]: Analyzing trace with hash -19280312, now seen corresponding path program 2 times [2022-11-16 11:56:33,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:33,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556968254] [2022-11-16 11:56:33,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:33,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:33,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:56:33,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:56:33,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556968254] [2022-11-16 11:56:33,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556968254] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:56:33,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590775064] [2022-11-16 11:56:33,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:56:33,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:56:33,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:33,499 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:56:33,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-16 11:56:33,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:56:33,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:56:33,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:56:33,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:56:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:56:33,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:56:33,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590775064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:56:33,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:56:33,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-16 11:56:33,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031052699] [2022-11-16 11:56:33,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:56:33,631 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:56:33,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:33,631 INFO L85 PathProgramCache]: Analyzing trace with hash 2278, now seen corresponding path program 2 times [2022-11-16 11:56:33,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:33,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668637834] [2022-11-16 11:56:33,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:33,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:33,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:33,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:33,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:33,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:56:33,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:56:33,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:56:33,704 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 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) [2022-11-16 11:56:33,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:56:33,804 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2022-11-16 11:56:33,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 41 transitions. [2022-11-16 11:56:33,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:56:33,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 19 states and 22 transitions. [2022-11-16 11:56:33,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:56:33,806 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 11:56:33,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2022-11-16 11:56:33,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:56:33,807 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-11-16 11:56:33,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2022-11-16 11:56:33,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-11-16 11:56:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 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) [2022-11-16 11:56:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2022-11-16 11:56:33,810 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-11-16 11:56:33,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:56:33,811 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-11-16 11:56:33,812 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 11:56:33,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2022-11-16 11:56:33,812 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:56:33,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:56:33,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:56:33,813 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:56:33,813 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:56:33,814 INFO L748 eck$LassoCheckResult]: Stem: 388#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 389#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~mem208#1, main_#t~post207#1, main_#t~mem211#1, main_#t~post212#1, main_#t~mem210#1, main_#t~post209#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 392#L367 assume !(main_~length~0#1 < 1); 390#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 391#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);call write~int(0, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~i~0#1 := 1; 378#L371-3 assume !!(main_~i~0#1 < main_~length~0#1);call main_#t~mem208#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * (main_~i~0#1 - 1), 4);call write~int(1 + main_#t~mem208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~mem208#1; 379#L371-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 380#L371-3 assume !(main_~i~0#1 < main_~length~0#1); 381#L371-4 main_~j~0#1 := 0; 393#L374-3 assume !!(main_~j~0#1 < main_~length~0#1); 386#L375-3 call main_#t~mem210#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 387#L375-1 assume !(main_#t~mem210#1 > 0);havoc main_#t~mem210#1; 382#L374-2 main_#t~post209#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post209#1;havoc main_#t~post209#1; 383#L374-3 assume !!(main_~j~0#1 < main_~length~0#1); 384#L375-3 [2022-11-16 11:56:33,814 INFO L750 eck$LassoCheckResult]: Loop: 384#L375-3 call main_#t~mem210#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 385#L375-1 assume !!(main_#t~mem210#1 > 0);havoc main_#t~mem210#1;call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post212#1 := main_#t~mem211#1;call write~int(main_#t~post212#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem211#1;havoc main_#t~post212#1; 384#L375-3 [2022-11-16 11:56:33,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:33,814 INFO L85 PathProgramCache]: Analyzing trace with hash -744742010, now seen corresponding path program 1 times [2022-11-16 11:56:33,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:33,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756329699] [2022-11-16 11:56:33,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:33,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:33,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:33,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:33,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:33,846 INFO L85 PathProgramCache]: Analyzing trace with hash 2278, now seen corresponding path program 3 times [2022-11-16 11:56:33,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:33,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9464239] [2022-11-16 11:56:33,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:33,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:33,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:33,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:33,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:33,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1562468139, now seen corresponding path program 1 times [2022-11-16 11:56:33,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:33,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7438244] [2022-11-16 11:56:33,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:33,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:33,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:56:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:56:33,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:56:34,443 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:56:34,444 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:56:34,444 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:56:34,444 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:56:34,444 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:56:34,444 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:34,444 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:56:34,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:56:34,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_and_down_alloca.i_Iteration5_Lasso [2022-11-16 11:56:34,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:56:34,444 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:56:34,447 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:34,450 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:34,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:34,729 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:34,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:34,735 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:34,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:34,741 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:34,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:34,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:34,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:56:35,082 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:56:35,082 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:56:35,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:35,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:35,087 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:35,096 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 [2022-11-16 11:56:35,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 11:56:35,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:35,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:35,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:35,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:35,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:35,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:35,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:35,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:35,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:35,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:35,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:35,137 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:35,142 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 [2022-11-16 11:56:35,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 11:56:35,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:35,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:56:35,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:35,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:35,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:35,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:56:35,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:56:35,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:35,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:35,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:35,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:35,185 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:35,192 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 [2022-11-16 11:56:35,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 11:56:35,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:35,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:35,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:35,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:35,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:56:35,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:56:35,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:56:35,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:35,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:35,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:35,246 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:35,253 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 [2022-11-16 11:56:35,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 11:56:35,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:56:35,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:56:35,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:56:35,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:56:35,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:56:35,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:56:35,306 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:56:35,321 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-16 11:56:35,321 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-16 11:56:35,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:56:35,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:56:35,326 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:56:35,328 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:56:35,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 11:56:35,356 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:56:35,356 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:56:35,356 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~j~0#1 4)))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~j~0#1 4)))_2 Supporting invariants [] [2022-11-16 11:56:35,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:35,381 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-16 11:56:35,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:35,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:35,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:56:35,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:56:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:35,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:56:35,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:56:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:56:35,504 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 [2022-11-16 11:56:35,505 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-16 11:56:35,520 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 21 states and 24 transitions. Complement of second has 7 states. [2022-11-16 11:56:35,520 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 [2022-11-16 11:56:35,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-16 11:56:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-11-16 11:56:35,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-16 11:56:35,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:56:35,522 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 11:56:35,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:35,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:56:35,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:56:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:35,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:56:35,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:56:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:56:35,617 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 11:56:35,617 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-16 11:56:35,628 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 21 states and 24 transitions. Complement of second has 7 states. [2022-11-16 11:56:35,629 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 [2022-11-16 11:56:35,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-16 11:56:35,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-11-16 11:56:35,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-16 11:56:35,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:56:35,630 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 11:56:35,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:35,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:56:35,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:56:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:35,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:56:35,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:56:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:56:35,721 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 11:56:35,722 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-16 11:56:35,739 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 23 states and 28 transitions. Complement of second has 6 states. [2022-11-16 11:56:35,740 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 [2022-11-16 11:56:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-16 11:56:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-16 11:56:35,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-16 11:56:35,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:56:35,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 16 letters. Loop has 2 letters. [2022-11-16 11:56:35,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:56:35,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-16 11:56:35,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:56:35,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2022-11-16 11:56:35,743 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:56:35,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2022-11-16 11:56:35,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:56:35,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:56:35,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:56:35,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:56:35,744 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:56:35,744 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:56:35,744 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:56:35,744 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 11:56:35,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:56:35,745 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:56:35,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:56:35,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:56:35 BoogieIcfgContainer [2022-11-16 11:56:35,752 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:56:35,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:56:35,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:56:35,754 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:56:35,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:56:27" (3/4) ... [2022-11-16 11:56:35,757 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:56:35,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:56:35,758 INFO L158 Benchmark]: Toolchain (without parser) took 9052.14ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 94.6MB in the beginning and 113.8MB in the end (delta: -19.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-16 11:56:35,758 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 58.6MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:56:35,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.41ms. Allocated memory is still 127.9MB. Free memory was 94.4MB in the beginning and 97.8MB in the end (delta: -3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:56:35,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.10ms. Allocated memory is still 127.9MB. Free memory was 97.8MB in the beginning and 95.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:56:35,760 INFO L158 Benchmark]: Boogie Preprocessor took 67.98ms. Allocated memory is still 127.9MB. Free memory was 95.6MB in the beginning and 94.8MB in the end (delta: 713.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:56:35,760 INFO L158 Benchmark]: RCFGBuilder took 407.64ms. Allocated memory is still 127.9MB. Free memory was 94.3MB in the beginning and 83.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:56:35,760 INFO L158 Benchmark]: BuchiAutomizer took 7940.22ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 83.1MB in the beginning and 113.8MB in the end (delta: -30.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-11-16 11:56:35,761 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 161.5MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:56:35,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 58.6MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.41ms. Allocated memory is still 127.9MB. Free memory was 94.4MB in the beginning and 97.8MB in the end (delta: -3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.10ms. Allocated memory is still 127.9MB. Free memory was 97.8MB in the beginning and 95.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.98ms. Allocated memory is still 127.9MB. Free memory was 95.6MB in the beginning and 94.8MB in the end (delta: 713.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.64ms. Allocated memory is still 127.9MB. Free memory was 94.3MB in the beginning and 83.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 7940.22ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 83.1MB in the beginning and 113.8MB in the end (delta: -30.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 161.5MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function -4 * j + unknown-#length-unknown[arr] + -1 * arr and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[arr][arr + j * 4] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 6.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 78 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital131 mio100 ax100 hnf100 lsp95 ukn87 mio100 lsp58 div156 bol100 ite100 ukn100 eq151 hnf93 smp72 dnf100 smp100 tf100 neg98 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 70ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:56:35,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-11-16 11:56:35,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa4b881-0213-409f-a32b-029ccc051c00/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE