./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:58:22,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:58:22,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:58:22,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:58:22,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:58:22,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:58:22,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:58:22,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:58:22,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:58:22,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:58:22,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:58:22,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:58:22,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:58:22,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:58:22,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:58:22,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:58:22,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:58:22,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:58:22,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:58:22,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:58:22,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:58:22,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:58:22,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:58:22,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:58:22,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:58:22,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:58:22,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:58:22,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:58:22,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:58:22,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:58:22,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:58:22,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:58:22,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:58:22,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:58:22,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:58:22,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:58:22,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:58:22,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:58:22,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:58:22,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:58:22,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:58:22,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:58:22,544 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:58:22,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:58:22,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:58:22,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:58:22,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:58:22,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:58:22,547 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:58:22,548 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:58:22,548 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:58:22,548 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:58:22,549 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:58:22,550 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:58:22,550 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:58:22,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:58:22,551 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:58:22,551 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:58:22,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:58:22,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:58:22,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:58:22,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:58:22,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:58:22,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:58:22,553 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:58:22,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:58:22,553 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:58:22,554 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:58:22,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:58:22,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:58:22,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:58:22,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:58:22,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:58:22,557 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:58:22,557 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_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 [2022-11-18 20:58:22,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:58:22,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:58:22,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:58:22,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:58:22,952 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:58:22,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/loops/trex04.c [2022-11-18 20:58:23,027 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/data/3c028555a/c22a75a8ebca4d368599cd1b4e28002b/FLAG59d4682cc [2022-11-18 20:58:23,598 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:58:23,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/sv-benchmarks/c/loops/trex04.c [2022-11-18 20:58:23,607 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/data/3c028555a/c22a75a8ebca4d368599cd1b4e28002b/FLAG59d4682cc [2022-11-18 20:58:23,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/data/3c028555a/c22a75a8ebca4d368599cd1b4e28002b [2022-11-18 20:58:23,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:58:23,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:58:23,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:58:23,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:58:23,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:58:23,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:58:23" (1/1) ... [2022-11-18 20:58:23,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5b59b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:23, skipping insertion in model container [2022-11-18 20:58:23,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:58:23" (1/1) ... [2022-11-18 20:58:23,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:58:23,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:58:24,208 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/sv-benchmarks/c/loops/trex04.c[405,418] [2022-11-18 20:58:24,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:58:24,239 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:58:24,249 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/sv-benchmarks/c/loops/trex04.c[405,418] [2022-11-18 20:58:24,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:58:24,268 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:58:24,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24 WrapperNode [2022-11-18 20:58:24,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:58:24,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:58:24,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:58:24,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:58:24,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (1/1) ... [2022-11-18 20:58:24,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (1/1) ... [2022-11-18 20:58:24,303 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2022-11-18 20:58:24,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:58:24,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:58:24,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:58:24,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:58:24,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (1/1) ... [2022-11-18 20:58:24,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (1/1) ... [2022-11-18 20:58:24,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (1/1) ... [2022-11-18 20:58:24,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (1/1) ... [2022-11-18 20:58:24,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (1/1) ... [2022-11-18 20:58:24,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (1/1) ... [2022-11-18 20:58:24,323 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (1/1) ... [2022-11-18 20:58:24,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (1/1) ... [2022-11-18 20:58:24,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:58:24,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:58:24,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:58:24,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:58:24,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (1/1) ... [2022-11-18 20:58:24,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:24,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:24,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:24,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:58:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:58:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:58:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:58:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:58:24,488 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:58:24,490 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:58:24,648 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:58:24,654 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:58:24,655 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:58:24,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:58:24 BoogieIcfgContainer [2022-11-18 20:58:24,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:58:24,658 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:58:24,658 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:58:24,662 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:58:24,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:58:24,664 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:58:23" (1/3) ... [2022-11-18 20:58:24,666 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65c1defe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:58:24, skipping insertion in model container [2022-11-18 20:58:24,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:58:24,666 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:24" (2/3) ... [2022-11-18 20:58:24,666 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65c1defe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:58:24, skipping insertion in model container [2022-11-18 20:58:24,667 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:58:24,667 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:58:24" (3/3) ... [2022-11-18 20:58:24,668 INFO L332 chiAutomizerObserver]: Analyzing ICFG trex04.c [2022-11-18 20:58:24,735 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:58:24,736 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:58:24,736 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:58:24,736 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:58:24,736 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:58:24,737 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:58:24,737 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:58:24,737 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:58:24,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:58:24,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 20:58:24,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:58:24,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:58:24,770 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:58:24,771 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:58:24,771 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:58:24,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:58:24,774 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 20:58:24,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:58:24,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:58:24,775 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:58:24,775 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:58:24,783 INFO L748 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 9#L31true assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 17#L34true assume !(0 != main_~c1~1#1 % 256); 12#L34-2true assume !(0 != main_~c2~1#1 % 256); 14#L35-1true main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 23#L39true assume !(0 != main_~c1~1#1 % 256); 16#L39-2true assume !(0 != main_~c2~1#1 % 256); 4#L42-1true [2022-11-18 20:58:24,783 INFO L750 eck$LassoCheckResult]: Loop: 4#L42-1true assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 4#L42-1true [2022-11-18 20:58:24,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:24,790 INFO L85 PathProgramCache]: Analyzing trace with hash 179996080, now seen corresponding path program 1 times [2022-11-18 20:58:24,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:24,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943369301] [2022-11-18 20:58:24,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:24,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:24,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:58:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:24,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:58:25,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:25,001 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 1 times [2022-11-18 20:58:25,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:25,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662805469] [2022-11-18 20:58:25,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:25,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:25,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:58:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:25,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:58:25,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:25,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1284911250, now seen corresponding path program 1 times [2022-11-18 20:58:25,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:25,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165364986] [2022-11-18 20:58:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:25,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:25,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:58:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:25,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:58:25,603 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:58:25,603 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:58:25,604 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:58:25,604 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:58:25,604 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:58:25,604 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:25,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:58:25,605 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:58:25,605 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex04.c_Iteration1_Lasso [2022-11-18 20:58:25,605 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:58:25,606 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:58:25,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,685 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,693 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,754 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,757 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,765 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:25,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:58:26,120 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:58:26,126 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:58:26,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:58:26,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:58:26,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:58:26,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:58:26,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,203 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:58:26,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:58:26,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,319 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:58:26,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,386 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:58:26,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,436 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:58:26,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,506 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:58:26,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,563 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:58:26,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:58:26,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:58:26,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:58:26,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,609 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:58:26,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,662 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:58:26,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,715 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:58:26,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,762 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:58:26,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,812 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:58:26,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,868 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:58:26,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:26,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:26,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,912 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:58:26,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:26,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:26,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:58:26,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:26,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:26,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:26,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:58:26,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:58:26,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:26,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:26,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:26,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:26,988 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:26,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:58:26,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:27,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:27,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:58:27,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:27,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:27,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:27,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:58:27,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:58:27,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:27,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-11-18 20:58:27,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:27,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:27,030 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:27,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:58:27,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:27,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:27,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:58:27,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:27,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:27,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:27,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:58:27,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:58:27,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:27,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-11-18 20:58:27,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:27,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:27,053 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:27,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:58:27,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:27,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:27,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:27,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:27,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:27,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:27,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:27,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:27,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:27,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:27,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:27,110 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:27,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:27,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:27,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:58:27,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:27,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:27,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:27,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:58:27,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:58:27,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:58:27,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:58:27,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:27,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:27,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:27,155 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:27,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:58:27,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:58:27,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:58:27,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:58:27,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:58:27,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:58:27,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:58:27,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:58:27,202 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:58:27,225 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:58:27,225 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-18 20:58:27,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:58:27,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:27,239 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:27,255 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:58:27,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:58:27,310 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-18 20:58:27,310 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:58:27,311 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~d~0#1 - 1 >= 0] [2022-11-18 20:58:27,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:27,340 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-11-18 20:58:27,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:27,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:58:27,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:58:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:27,482 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:58:27,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:58:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:58:27,532 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-11-18 20:58:27,534 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:58:27,636 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 71 states and 99 transitions. Complement of second has 8 states. [2022-11-18 20:58:27,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2022-11-18 20:58:27,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:58:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2022-11-18 20:58:27,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 8 letters. Loop has 1 letters. [2022-11-18 20:58:27,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:58:27,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 9 letters. Loop has 1 letters. [2022-11-18 20:58:27,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:58:27,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-18 20:58:27,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:58:27,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 99 transitions. [2022-11-18 20:58:27,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-11-18 20:58:27,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 28 states and 42 transitions. [2022-11-18 20:58:27,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-11-18 20:58:27,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-11-18 20:58:27,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 42 transitions. [2022-11-18 20:58:27,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:58:27,662 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 42 transitions. [2022-11-18 20:58:27,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 42 transitions. [2022-11-18 20:58:27,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2022-11-18 20:58:27,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.56) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:58:27,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2022-11-18 20:58:27,694 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 39 transitions. [2022-11-18 20:58:27,694 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2022-11-18 20:58:27,694 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:58:27,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 39 transitions. [2022-11-18 20:58:27,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 20:58:27,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:58:27,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:58:27,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:58:27,698 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:58:27,698 INFO L748 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 167#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 168#L31 assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 169#L34 assume 0 != main_~c1~1#1 % 256;main_~d~0#1 := main_~d~0#1 - 1; 172#L34-2 assume !(0 != main_~c2~1#1 % 256); 174#L35-1 main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 175#L39 assume !(0 != main_~c1~1#1 % 256); 165#L39-2 assume !(0 != main_~c2~1#1 % 256); 162#L42-1 [2022-11-18 20:58:27,698 INFO L750 eck$LassoCheckResult]: Loop: 162#L42-1 assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 162#L42-1 [2022-11-18 20:58:27,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:27,699 INFO L85 PathProgramCache]: Analyzing trace with hash 178149038, now seen corresponding path program 1 times [2022-11-18 20:58:27,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:27,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073485560] [2022-11-18 20:58:27,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:27,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:27,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:58:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:27,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:58:27,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:27,729 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 2 times [2022-11-18 20:58:27,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:27,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268771359] [2022-11-18 20:58:27,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:27,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:27,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:58:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:27,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:58:27,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:27,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1227652948, now seen corresponding path program 1 times [2022-11-18 20:58:27,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:27,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112545795] [2022-11-18 20:58:27,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:27,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:27,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:58:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:27,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:58:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:28,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:58:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:58:28,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:58:28 BoogieIcfgContainer [2022-11-18 20:58:28,098 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:58:28,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:58:28,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:58:28,100 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:58:28,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:58:24" (3/4) ... [2022-11-18 20:58:28,103 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 20:58:28,154 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:58:28,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:58:28,157 INFO L158 Benchmark]: Toolchain (without parser) took 4197.18ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 71.4MB in the beginning and 54.2MB in the end (delta: 17.2MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-11-18 20:58:28,157 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 100.7MB. Free memory was 54.8MB in the beginning and 54.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:58:28,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.25ms. Allocated memory is still 100.7MB. Free memory was 71.4MB in the beginning and 78.2MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:58:28,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.64ms. Allocated memory is still 100.7MB. Free memory was 78.2MB in the beginning and 76.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:58:28,160 INFO L158 Benchmark]: Boogie Preprocessor took 21.58ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 75.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:58:28,160 INFO L158 Benchmark]: RCFGBuilder took 330.67ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 64.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:58:28,160 INFO L158 Benchmark]: BuchiAutomizer took 3440.54ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 64.3MB in the beginning and 56.3MB in the end (delta: 8.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-11-18 20:58:28,161 INFO L158 Benchmark]: Witness Printer took 56.70ms. Allocated memory is still 127.9MB. Free memory was 56.3MB in the beginning and 54.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:58:28,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 100.7MB. Free memory was 54.8MB in the beginning and 54.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.25ms. Allocated memory is still 100.7MB. Free memory was 71.4MB in the beginning and 78.2MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.64ms. Allocated memory is still 100.7MB. Free memory was 78.2MB in the beginning and 76.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.58ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 75.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.67ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 64.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3440.54ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 64.3MB in the beginning and 56.3MB in the end (delta: 8.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Witness Printer took 56.70ms. Allocated memory is still 127.9MB. Free memory was 56.3MB in the beginning and 54.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function x and consists of 6 locations. The remainder module has 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 51 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital89 mio100 ax100 hnf100 lsp24 ukn95 mio100 lsp100 div209 bol100 ite100 ukn100 eq145 hnf95 smp47 dnf100 smp100 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms 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: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 42]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 VAL [c1=1, c2=0, d=0, x=1] [L35] COND FALSE !(\read(c2)) VAL [c1=1, c2=0, d=0, x=1] [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) VAL [c1=0, c2=0, d=0, x=1] [L40] COND FALSE !(\read(c2)) VAL [c1=0, c2=0, d=0, x=1] Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 42]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 VAL [c1=1, c2=0, d=0, x=1] [L35] COND FALSE !(\read(c2)) VAL [c1=1, c2=0, d=0, x=1] [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) VAL [c1=0, c2=0, d=0, x=1] [L40] COND FALSE !(\read(c2)) VAL [c1=0, c2=0, d=0, x=1] Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:58:28,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:58:28,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd61b20-0059-4a2a-8d2a-1635572f8679/bin/uautomizer-TMbwUNV5ro/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)