./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:35:34,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:35:34,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:35:34,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:35:34,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:35:34,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:35:34,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:35:34,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:35:34,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:35:34,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:35:34,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:35:34,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:35:34,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:35:34,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:35:34,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:35:34,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:35:34,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:35:34,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:35:34,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:35:34,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:35:34,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:35:34,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:35:34,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:35:34,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:35:34,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:35:34,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:35:34,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:35:34,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:35:34,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:35:34,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:35:34,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:35:34,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:35:34,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:35:34,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:35:34,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:35:34,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:35:34,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:35:34,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:35:34,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:35:34,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:35:34,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:35:34,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:35:34,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:35:34,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:35:34,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:35:34,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:35:34,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:35:34,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:35:34,448 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:35:34,449 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:35:34,449 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:35:34,449 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:35:34,450 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:35:34,451 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:35:34,451 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:35:34,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:35:34,452 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:35:34,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:35:34,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:35:34,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:35:34,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:35:34,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:35:34,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:35:34,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:35:34,453 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:35:34,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:35:34,454 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:35:34,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:35:34,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:35:34,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:35:34,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:35:34,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:35:34,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:35:34,457 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:35:34,457 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_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e [2022-11-16 12:35:34,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:35:34,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:35:34,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:35:34,791 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:35:34,792 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:35:34,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2022-11-16 12:35:34,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/data/a27a1286e/5ca84d5cd5fd4ae6b4cf114cd9caa219/FLAG97b197a35 [2022-11-16 12:35:35,577 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:35:35,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2022-11-16 12:35:35,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/data/a27a1286e/5ca84d5cd5fd4ae6b4cf114cd9caa219/FLAG97b197a35 [2022-11-16 12:35:35,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/data/a27a1286e/5ca84d5cd5fd4ae6b4cf114cd9caa219 [2022-11-16 12:35:35,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:35:35,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:35:35,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:35:35,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:35:35,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:35:35,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:35:35" (1/1) ... [2022-11-16 12:35:35,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3335d62f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:35, skipping insertion in model container [2022-11-16 12:35:35,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:35:35" (1/1) ... [2022-11-16 12:35:35,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:35:35,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:35:36,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:35:36,143 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:35:36,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:35:36,205 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:35:36,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36 WrapperNode [2022-11-16 12:35:36,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:35:36,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:35:36,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:35:36,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:35:36,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (1/1) ... [2022-11-16 12:35:36,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (1/1) ... [2022-11-16 12:35:36,275 INFO L138 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2022-11-16 12:35:36,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:35:36,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:35:36,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:35:36,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:35:36,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (1/1) ... [2022-11-16 12:35:36,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (1/1) ... [2022-11-16 12:35:36,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (1/1) ... [2022-11-16 12:35:36,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (1/1) ... [2022-11-16 12:35:36,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (1/1) ... [2022-11-16 12:35:36,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (1/1) ... [2022-11-16 12:35:36,298 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (1/1) ... [2022-11-16 12:35:36,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (1/1) ... [2022-11-16 12:35:36,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:35:36,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:35:36,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:35:36,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:35:36,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (1/1) ... [2022-11-16 12:35:36,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:36,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:36,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:36,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:35:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:35:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:35:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:35:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:35:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:35:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:35:36,517 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:35:36,520 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:35:36,746 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:35:36,753 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:35:36,753 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:35:36,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:36 BoogieIcfgContainer [2022-11-16 12:35:36,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:35:36,757 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:35:36,757 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:35:36,762 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:35:36,763 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:35:36,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:35:35" (1/3) ... [2022-11-16 12:35:36,764 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e7404e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:35:36, skipping insertion in model container [2022-11-16 12:35:36,764 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:35:36,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:36" (2/3) ... [2022-11-16 12:35:36,765 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e7404e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:35:36, skipping insertion in model container [2022-11-16 12:35:36,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:35:36,765 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:36" (3/3) ... [2022-11-16 12:35:36,766 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrspn-alloca-2.i [2022-11-16 12:35:36,821 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:35:36,821 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:35:36,822 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:35:36,822 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:35:36,822 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:35:36,822 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:35:36,822 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:35:36,823 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:35:36,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:36,859 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-16 12:35:36,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:35:36,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:35:36,866 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 12:35:36,866 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:35:36,866 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:35:36,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:36,873 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-16 12:35:36,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:35:36,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:35:36,875 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 12:35:36,875 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:35:36,885 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 13#L528true assume !(main_~length1~0#1 < 1); 8#L528-2true assume !(main_~length2~0#1 < 1); 14#L531-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 7#L537-3true [2022-11-16 12:35:36,885 INFO L750 eck$LassoCheckResult]: Loop: 7#L537-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 16#L537-2true main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 7#L537-3true [2022-11-16 12:35:36,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:36,899 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-16 12:35:36,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:36,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501571916] [2022-11-16 12:35:36,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:36,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:37,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:37,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:37,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:37,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-11-16 12:35:37,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:37,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573822970] [2022-11-16 12:35:37,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:37,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:37,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:37,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:37,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:37,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-11-16 12:35:37,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:37,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052159955] [2022-11-16 12:35:37,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:37,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:37,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:37,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:37,901 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:35:37,902 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:35:37,902 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:35:37,903 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:35:37,903 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:35:37,903 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:37,903 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:35:37,903 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:35:37,904 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration1_Lasso [2022-11-16 12:35:37,904 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:35:37,905 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:35:37,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,944 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,979 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:38,690 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:35:38,695 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:35:38,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:38,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:35:38,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:38,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:38,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:38,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:38,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-16 12:35:38,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:38,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:35:38,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:38,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:38,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:38,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:38,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:38,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:35:38,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:38,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:38,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:38,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:38,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:38,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,854 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:38,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:35:38,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:38,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:38,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:38,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:38,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:38,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,896 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:35:38,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:38,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:38,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:38,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:38,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:38,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:38,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,949 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:38,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:35:38,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:38,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:38,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:38,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:38,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:38,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,998 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:35:39,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,056 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:35:39,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,094 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:35:39,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:39,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:39,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:39,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,141 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:35:39,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,196 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:35:39,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,273 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:39,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:39,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:39,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:35:39,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,316 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:35:39,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,363 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:35:39,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:39,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:39,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:39,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,400 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:35:39,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,507 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:35:39,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,624 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:39,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:39,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:39,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:35:39,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,668 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:39,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:35:39,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,725 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:35:39,777 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-16 12:35:39,777 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-16 12:35:39,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,782 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,794 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:35:39,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:35:39,823 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:35:39,823 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:35:39,824 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-16 12:35:39,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,853 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-16 12:35:39,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:39,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:35:39,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:39,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:35:39,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:35:40,012 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:35:40,014 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:40,073 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 67 transitions. Complement of second has 7 states. [2022-11-16 12:35:40,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:35:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2022-11-16 12:35:40,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-16 12:35:40,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:40,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 12:35:40,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:40,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-16 12:35:40,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:40,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 67 transitions. [2022-11-16 12:35:40,096 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:35:40,099 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 16 states and 22 transitions. [2022-11-16 12:35:40,100 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 12:35:40,101 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-16 12:35:40,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2022-11-16 12:35:40,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:35:40,102 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-16 12:35:40,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2022-11-16 12:35:40,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-16 12:35:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:40,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2022-11-16 12:35:40,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-16 12:35:40,125 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-16 12:35:40,126 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:35:40,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2022-11-16 12:35:40,128 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:35:40,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:35:40,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:35:40,128 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:35:40,129 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:35:40,129 INFO L748 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 140#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 150#L528 assume !(main_~length1~0#1 < 1); 148#L528-2 assume !(main_~length2~0#1 < 1); 149#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 145#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 143#L537-4 main_~i~1#1 := 0; 144#L541-3 [2022-11-16 12:35:40,129 INFO L750 eck$LassoCheckResult]: Loop: 144#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 154#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 144#L541-3 [2022-11-16 12:35:40,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:40,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-11-16 12:35:40,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:40,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624329773] [2022-11-16 12:35:40,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:40,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:40,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:40,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:40,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:40,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-11-16 12:35:40,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:40,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341413769] [2022-11-16 12:35:40,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:40,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:40,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:40,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:40,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:40,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-11-16 12:35:40,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:40,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282816292] [2022-11-16 12:35:40,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:40,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:40,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:40,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:40,644 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:35:40,644 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:35:40,644 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:35:40,644 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:35:40,645 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:35:40,645 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:40,645 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:35:40,645 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:35:40,645 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration2_Lasso [2022-11-16 12:35:40,645 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:35:40,645 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:35:40,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,935 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,937 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,941 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:40,949 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:40,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:41,408 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:35:41,408 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:35:41,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:41,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:41,417 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:41,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:41,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:35:41,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:41,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:41,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:41,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:41,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:41,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:41,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:41,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:41,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:41,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:41,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:41,483 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:41,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:41,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:41,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:41,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:41,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:41,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:35:41,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:41,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:41,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:41,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:41,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:41,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:41,532 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:41,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:41,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 12:35:41,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:41,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:41,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:41,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:41,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:41,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:41,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:41,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:41,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:41,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:41,570 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:41,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:41,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:41,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:41,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:41,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:41,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:41,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:41,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:35:41,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:41,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:41,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:41,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:41,618 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:41,623 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 [2022-11-16 12:35:41,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:41,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:41,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:41,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:41,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:35:41,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:41,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:41,664 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:35:41,698 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-16 12:35:41,698 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-16 12:35:41,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:41,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:41,699 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:41,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:35:41,701 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:35:41,712 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:35:41,712 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:35:41,712 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2022-11-16 12:35:41,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:41,750 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-16 12:35:41,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:41,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:35:41,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:41,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:35:41,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:35:41,824 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:35:41,824 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 9 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) [2022-11-16 12:35:41,842 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 9. 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 23 states and 34 transitions. Complement of second has 6 states. [2022-11-16 12:35:41,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:35:41,844 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) [2022-11-16 12:35:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-11-16 12:35:41,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 12:35:41,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:41,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-16 12:35:41,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:41,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-16 12:35:41,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:41,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 34 transitions. [2022-11-16 12:35:41,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:35:41,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 17 states and 24 transitions. [2022-11-16 12:35:41,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-16 12:35:41,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-16 12:35:41,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2022-11-16 12:35:41,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:35:41,848 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-16 12:35:41,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2022-11-16 12:35:41,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-16 12:35:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2022-11-16 12:35:41,850 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-16 12:35:41,851 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-16 12:35:41,851 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:35:41,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2022-11-16 12:35:41,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:35:41,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:35:41,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:35:41,852 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:35:41,852 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:35:41,853 INFO L748 eck$LassoCheckResult]: Stem: 251#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 252#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 262#L528 assume !(main_~length1~0#1 < 1); 260#L528-2 assume !(main_~length2~0#1 < 1); 261#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 257#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 255#L537-4 main_~i~1#1 := 0; 256#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 263#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 264#L522 [2022-11-16 12:35:41,853 INFO L750 eck$LassoCheckResult]: Loop: 264#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 253#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 254#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 265#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 264#L522 [2022-11-16 12:35:41,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:41,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2022-11-16 12:35:41,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:41,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410248254] [2022-11-16 12:35:41,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:41,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:41,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:41,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:41,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:41,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 1 times [2022-11-16 12:35:41,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:41,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991718448] [2022-11-16 12:35:41,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:41,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:41,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:41,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:41,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:41,920 INFO L85 PathProgramCache]: Analyzing trace with hash -587636803, now seen corresponding path program 1 times [2022-11-16 12:35:41,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:41,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343905407] [2022-11-16 12:35:41,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:41,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:35:42,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:35:42,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343905407] [2022-11-16 12:35:42,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343905407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:35:42,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:35:42,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 12:35:42,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393836722] [2022-11-16 12:35:42,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:35:42,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:42,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:35:42,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:35:42,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:35:42,699 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:42,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:35:42,821 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2022-11-16 12:35:42,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2022-11-16 12:35:42,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:35:42,824 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 18 states and 24 transitions. [2022-11-16 12:35:42,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 12:35:42,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-16 12:35:42,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2022-11-16 12:35:42,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:35:42,825 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-16 12:35:42,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2022-11-16 12:35:42,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-11-16 12:35:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-11-16 12:35:42,830 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 12:35:42,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:35:42,835 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 12:35:42,836 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:35:42,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-11-16 12:35:42,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:35:42,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:35:42,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:35:42,837 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:35:42,837 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:35:42,837 INFO L748 eck$LassoCheckResult]: Stem: 310#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 311#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 321#L528 assume !(main_~length1~0#1 < 1); 319#L528-2 assume !(main_~length2~0#1 < 1); 320#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 316#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 314#L537-4 main_~i~1#1 := 0; 315#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 325#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 326#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 322#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 323#L522 [2022-11-16 12:35:42,838 INFO L750 eck$LassoCheckResult]: Loop: 323#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 312#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 313#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 324#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 323#L522 [2022-11-16 12:35:42,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:42,838 INFO L85 PathProgramCache]: Analyzing trace with hash -2087704584, now seen corresponding path program 1 times [2022-11-16 12:35:42,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:42,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850334891] [2022-11-16 12:35:42,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:42,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:42,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:42,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:42,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:42,864 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 2 times [2022-11-16 12:35:42,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:42,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677463349] [2022-11-16 12:35:42,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:42,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:42,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:42,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:42,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1860214623, now seen corresponding path program 1 times [2022-11-16 12:35:42,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:42,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966655634] [2022-11-16 12:35:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:42,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:35:43,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:35:43,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966655634] [2022-11-16 12:35:43,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966655634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:35:43,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:35:43,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:35:43,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348356611] [2022-11-16 12:35:43,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:35:43,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:35:43,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:35:43,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:35:43,375 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 9 Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:43,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:35:43,531 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-11-16 12:35:43,531 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-11-16 12:35:43,532 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-16 12:35:43,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 36 transitions. [2022-11-16 12:35:43,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-11-16 12:35:43,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-11-16 12:35:43,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2022-11-16 12:35:43,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:35:43,533 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-11-16 12:35:43,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2022-11-16 12:35:43,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2022-11-16 12:35:43,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 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) [2022-11-16 12:35:43,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2022-11-16 12:35:43,536 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-16 12:35:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:35:43,537 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-16 12:35:43,537 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:35:43,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2022-11-16 12:35:43,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 12:35:43,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:35:43,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:35:43,542 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:35:43,543 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:35:43,543 INFO L748 eck$LassoCheckResult]: Stem: 377#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 378#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 389#L528 assume !(main_~length1~0#1 < 1); 387#L528-2 assume !(main_~length2~0#1 < 1); 388#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 383#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 381#L537-4 main_~i~1#1 := 0; 382#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 395#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 396#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 390#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 391#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 393#L520-3 [2022-11-16 12:35:43,543 INFO L750 eck$LassoCheckResult]: Loop: 393#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 398#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 392#L521 assume !(cstrspn_~sc~0#1 == cstrspn_~c~0#1); 393#L520-3 [2022-11-16 12:35:43,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:43,544 INFO L85 PathProgramCache]: Analyzing trace with hash -294332619, now seen corresponding path program 1 times [2022-11-16 12:35:43,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:43,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235695330] [2022-11-16 12:35:43,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:43,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:43,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:43,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:43,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:43,598 INFO L85 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 1 times [2022-11-16 12:35:43,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:43,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867103967] [2022-11-16 12:35:43,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:43,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:43,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:43,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:43,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:43,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1860214625, now seen corresponding path program 1 times [2022-11-16 12:35:43,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:43,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284803297] [2022-11-16 12:35:43,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:43,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:43,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:43,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:45,054 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:35:45,054 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:35:45,054 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:35:45,055 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:35:45,055 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:35:45,055 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:45,055 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:35:45,055 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:35:45,055 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration5_Lasso [2022-11-16 12:35:45,055 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:35:45,055 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:35:45,059 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,071 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,073 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,082 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,085 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,095 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:45,105 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:46,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:46,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:46,061 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:46,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:46,950 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:35:46,950 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:35:46,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:46,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:46,952 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:46,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 12:35:46,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:46,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:46,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:46,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:46,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:46,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:46,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:46,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:46,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,005 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:47,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:47,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 12:35:47,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,048 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 12:35:47,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:47,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:47,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:47,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,088 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:47,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:47,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:47,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 12:35:47,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,137 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 12:35:47,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:47,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:47,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,184 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:47,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:47,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:47,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 12:35:47,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,224 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 12:35:47,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:47,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:47,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:47,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,276 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 12:35:47,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:47,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:47,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:47,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,331 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 12:35:47,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:47,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:47,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,381 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 12:35:47,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:47,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:47,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:47,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,453 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-16 12:35:47,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:47,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:47,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:47,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,491 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-16 12:35:47,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:47,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:47,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:47,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,537 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 12:35:47,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:47,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:47,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:47,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-16 12:35:47,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,560 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 12:35:47,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:47,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:47,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:47,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,589 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-16 12:35:47,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:47,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:47,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:47,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-16 12:35:47,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,611 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-16 12:35:47,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:47,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:47,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-16 12:35:47,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,637 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-16 12:35:47,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:47,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:47,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,674 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-16 12:35:47,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:47,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:47,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,711 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-16 12:35:47,723 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 [2022-11-16 12:35:47,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:47,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:47,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,756 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-16 12:35:47,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:47,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:47,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-16 12:35:47,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,795 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-16 12:35:47,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,811 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-16 12:35:47,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,844 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2022-11-16 12:35:47,844 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-16 12:35:47,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,930 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:47,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:47,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-16 12:35:47,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:47,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:47,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:47,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:47,975 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:47,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:47,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:47,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:47,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:47,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:47,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-16 12:35:48,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:48,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:48,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:48,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:48,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:48,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:48,027 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:48,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:48,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:48,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:48,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:48,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:48,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-16 12:35:48,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:48,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:48,091 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:35:48,152 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2022-11-16 12:35:48,153 INFO L444 ModelExtractionUtils]: 29 out of 58 variables were initially zero. Simplification set additionally 24 variables to zero. [2022-11-16 12:35:48,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:48,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:48,163 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:48,168 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:35:48,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-16 12:35:48,190 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 12:35:48,190 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:35:48,190 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~spanp~0#1.offset, ULTIMATE.start_cstrspn_~p~0#1.offset) = -1*ULTIMATE.start_cstrspn_~spanp~0#1.offset + 4294967295*ULTIMATE.start_cstrspn_~p~0#1.offset Supporting invariants [4294967295*ULTIMATE.start_cstrspn_~p~0#1.offset - 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3 >= 0] [2022-11-16 12:35:48,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:48,314 INFO L156 tatePredicateManager]: 19 out of 21 supporting invariants were superfluous and have been removed [2022-11-16 12:35:48,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:48,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 12:35:48,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:48,485 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 12:35:48,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-16 12:35:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:48,573 WARN L261 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 12:35:48,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:35:48,628 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-16 12:35:48,628 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:48,714 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 38 states and 46 transitions. Complement of second has 7 states. [2022-11-16 12:35:48,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:35:48,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2022-11-16 12:35:48,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 12 letters. Loop has 3 letters. [2022-11-16 12:35:48,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:48,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-16 12:35:48,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:48,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 12 letters. Loop has 6 letters. [2022-11-16 12:35:48,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:48,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 46 transitions. [2022-11-16 12:35:48,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:35:48,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 24 states and 30 transitions. [2022-11-16 12:35:48,719 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:35:48,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-16 12:35:48,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 30 transitions. [2022-11-16 12:35:48,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:35:48,720 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2022-11-16 12:35:48,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 30 transitions. [2022-11-16 12:35:48,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-11-16 12:35:48,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 22 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2022-11-16 12:35:48,757 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2022-11-16 12:35:48,757 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2022-11-16 12:35:48,757 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:35:48,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2022-11-16 12:35:48,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:35:48,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:35:48,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:35:48,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:35:48,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:35:48,759 INFO L748 eck$LassoCheckResult]: Stem: 602#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 603#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 615#L528 assume !(main_~length1~0#1 < 1); 613#L528-2 assume !(main_~length2~0#1 < 1); 614#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 610#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 611#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 612#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 608#L537-4 main_~i~1#1 := 0; 609#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 622#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 623#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 616#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 617#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 624#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 607#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 618#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 619#L522 [2022-11-16 12:35:48,759 INFO L750 eck$LassoCheckResult]: Loop: 619#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 604#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 605#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 621#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 619#L522 [2022-11-16 12:35:48,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:48,760 INFO L85 PathProgramCache]: Analyzing trace with hash -796682687, now seen corresponding path program 1 times [2022-11-16 12:35:48,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:48,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830030207] [2022-11-16 12:35:48,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:48,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:48,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:48,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:48,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:48,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:48,817 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 3 times [2022-11-16 12:35:48,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:48,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127621744] [2022-11-16 12:35:48,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:48,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:48,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:48,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:48,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:48,828 INFO L85 PathProgramCache]: Analyzing trace with hash 477217064, now seen corresponding path program 2 times [2022-11-16 12:35:48,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:48,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337483590] [2022-11-16 12:35:48,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:48,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:35:49,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:35:49,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337483590] [2022-11-16 12:35:49,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337483590] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:35:49,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905189107] [2022-11-16 12:35:49,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:35:49,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:35:49,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:49,554 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:35:49,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2022-11-16 12:35:49,669 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:35:49,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:35:49,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-16 12:35:49,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:49,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 12:35:49,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-16 12:35:49,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-11-16 12:35:50,053 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-16 12:35:50,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 10 [2022-11-16 12:35:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:35:50,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:35:50,170 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 12:35:50,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2022-11-16 12:35:50,183 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 12:35:50,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 32 [2022-11-16 12:35:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:35:50,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905189107] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:35:50,385 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:35:50,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2022-11-16 12:35:50,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230594198] [2022-11-16 12:35:50,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:35:50,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:35:50,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-16 12:35:50,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:35:50,549 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand has 21 states, 20 states have (on average 2.3) internal successors, (46), 21 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:51,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:35:51,055 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2022-11-16 12:35:51,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 52 transitions. [2022-11-16 12:35:51,056 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-16 12:35:51,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 52 transitions. [2022-11-16 12:35:51,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-11-16 12:35:51,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-11-16 12:35:51,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 52 transitions. [2022-11-16 12:35:51,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:35:51,057 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 52 transitions. [2022-11-16 12:35:51,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 52 transitions. [2022-11-16 12:35:51,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2022-11-16 12:35:51,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.225) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2022-11-16 12:35:51,061 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-11-16 12:35:51,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 12:35:51,067 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-11-16 12:35:51,068 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 12:35:51,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 49 transitions. [2022-11-16 12:35:51,070 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 12:35:51,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:35:51,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:35:51,074 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:35:51,074 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:35:51,075 INFO L748 eck$LassoCheckResult]: Stem: 832#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 833#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 845#L528 assume !(main_~length1~0#1 < 1); 843#L528-2 assume !(main_~length2~0#1 < 1); 844#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 839#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 840#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 841#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 837#L537-4 main_~i~1#1 := 0; 838#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 853#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 854#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 846#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 847#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 834#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 835#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 852#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 855#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 849#L520-3 [2022-11-16 12:35:51,076 INFO L750 eck$LassoCheckResult]: Loop: 849#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 851#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 848#L521 assume !(cstrspn_~sc~0#1 == cstrspn_~c~0#1); 849#L520-3 [2022-11-16 12:35:51,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:51,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1072640524, now seen corresponding path program 3 times [2022-11-16 12:35:51,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:51,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314903668] [2022-11-16 12:35:51,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:51,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:51,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:51,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:51,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:51,169 INFO L85 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 2 times [2022-11-16 12:35:51,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:51,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124907864] [2022-11-16 12:35:51,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:51,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:51,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:51,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:51,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:51,196 INFO L85 PathProgramCache]: Analyzing trace with hash 477217066, now seen corresponding path program 1 times [2022-11-16 12:35:51,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:51,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832223581] [2022-11-16 12:35:51,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:51,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:51,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:51,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:54,789 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:35:54,789 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:35:54,789 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:35:54,790 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:35:54,790 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:35:54,790 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:54,790 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:35:54,790 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:35:54,790 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration7_Lasso [2022-11-16 12:35:54,790 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:35:54,791 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:35:54,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:54,799 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:54,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:54,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:54,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:54,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:54,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:54,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:56,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:57,950 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:35:57,950 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:35:57,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:57,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:57,955 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:57,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:57,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-16 12:35:57,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:57,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:57,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:57,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:57,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:57,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:57,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:57,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:57,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:57,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:57,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:57,996 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:58,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-16 12:35:58,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:58,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:58,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:58,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:58,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:58,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:58,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:58,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:58,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-16 12:35:58,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:58,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:58,032 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-16 12:35:58,035 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 [2022-11-16 12:35:58,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:58,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:58,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:58,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:58,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:58,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:58,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:58,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:58,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-16 12:35:58,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:58,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:58,053 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-16 12:35:58,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:58,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:58,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:58,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:58,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:58,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:58,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:58,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:58,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-16 12:35:58,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:58,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:58,084 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-16 12:35:58,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:58,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:58,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:58,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:58,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:58,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:58,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:58,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:58,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:58,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-11-16 12:35:58,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:58,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:58,119 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-16 12:35:58,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:58,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:58,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:58,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:58,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:58,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:58,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:58,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:58,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:58,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:58,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:58,142 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-16 12:35:58,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:58,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:58,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:58,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:58,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:58,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:58,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:58,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:58,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:58,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-16 12:35:58,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:58,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:58,171 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-16 12:35:58,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:58,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:58,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:58,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:58,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:58,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:58,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:58,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:58,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-16 12:35:58,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:58,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:58,194 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-16 12:35:58,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:58,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:58,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:58,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:58,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:58,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:58,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:58,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:58,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-16 12:35:58,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:58,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:58,217 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-16 12:35:58,221 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 [2022-11-16 12:35:58,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:58,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:58,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:58,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:58,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:58,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:58,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:58,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-16 12:35:58,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:58,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:58,246 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-16 12:35:58,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:58,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:58,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:58,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:58,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:58,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:58,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:58,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:58,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-16 12:35:58,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:58,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:58,290 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-16 12:35:58,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:35:58,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:58,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:58,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:58,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:58,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:58,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:58,355 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:35:58,470 INFO L443 ModelExtractionUtils]: Simplification made 31 calls to the SMT solver. [2022-11-16 12:35:58,470 INFO L444 ModelExtractionUtils]: 8 out of 58 variables were initially zero. Simplification set additionally 47 variables to zero. [2022-11-16 12:35:58,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:58,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:58,474 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:58,476 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:35:58,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-16 12:35:58,489 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:35:58,489 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:35:58,489 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~spanp~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2) = -1*ULTIMATE.start_cstrspn_~spanp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2 Supporting invariants [] [2022-11-16 12:35:58,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-11-16 12:35:58,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:58,772 INFO L156 tatePredicateManager]: 38 out of 40 supporting invariants were superfluous and have been removed [2022-11-16 12:35:58,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:58,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 12:35:58,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:58,977 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 12:35:58,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:35:59,028 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-16 12:35:59,028 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:59,100 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 58 transitions. Complement of second has 7 states. [2022-11-16 12:35:59,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:35:59,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:59,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2022-11-16 12:35:59,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-16 12:35:59,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:59,104 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:35:59,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:59,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 12:35:59,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:59,318 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 12:35:59,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:59,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:35:59,376 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-16 12:35:59,376 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:59,447 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 60 transitions. Complement of second has 7 states. [2022-11-16 12:35:59,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:35:59,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:59,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2022-11-16 12:35:59,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-16 12:35:59,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:59,452 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:35:59,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:59,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 12:35:59,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:59,663 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 12:35:59,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:35:59,708 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-16 12:35:59,709 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:59,761 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 64 transitions. Complement of second has 6 states. [2022-11-16 12:35:59,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:35:59,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:59,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2022-11-16 12:35:59,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-16 12:35:59,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:59,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 21 letters. Loop has 3 letters. [2022-11-16 12:35:59,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:59,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 18 letters. Loop has 6 letters. [2022-11-16 12:35:59,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:59,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 64 transitions. [2022-11-16 12:35:59,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:35:59,766 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 27 states and 33 transitions. [2022-11-16 12:35:59,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 12:35:59,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-16 12:35:59,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 33 transitions. [2022-11-16 12:35:59,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:35:59,767 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 33 transitions. [2022-11-16 12:35:59,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 33 transitions. [2022-11-16 12:35:59,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-11-16 12:35:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:59,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-11-16 12:35:59,769 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-16 12:35:59,769 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-16 12:35:59,769 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 12:35:59,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2022-11-16 12:35:59,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:35:59,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:35:59,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:35:59,770 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:35:59,770 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:35:59,770 INFO L748 eck$LassoCheckResult]: Stem: 1433#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1434#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1446#L528 assume !(main_~length1~0#1 < 1); 1444#L528-2 assume !(main_~length2~0#1 < 1); 1445#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 1440#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1441#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1442#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1443#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1453#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1438#L537-4 main_~i~1#1 := 0; 1439#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 1451#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1452#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1447#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 1448#L522 [2022-11-16 12:35:59,770 INFO L750 eck$LassoCheckResult]: Loop: 1448#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 1435#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 1436#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 1449#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 1448#L522 [2022-11-16 12:35:59,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:59,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1523394364, now seen corresponding path program 1 times [2022-11-16 12:35:59,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:59,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109827066] [2022-11-16 12:35:59,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:59,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:59,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:59,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:59,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:59,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 4 times [2022-11-16 12:35:59,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:59,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11865195] [2022-11-16 12:35:59,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:59,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:59,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:59,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:59,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:59,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1430543523, now seen corresponding path program 4 times [2022-11-16 12:35:59,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:59,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018031452] [2022-11-16 12:35:59,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:59,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:59,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:59,839 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:36:01,360 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:36:01,361 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:36:01,361 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:36:01,361 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:36:01,361 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:36:01,361 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:01,362 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:36:01,362 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:36:01,362 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration8_Lasso [2022-11-16 12:36:01,362 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:36:01,362 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:36:01,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,379 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,384 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,387 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,409 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,416 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:01,419 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:02,563 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:02,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:02,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:02,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:36:03,511 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:36:03,512 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:36:03,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,513 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-16 12:36:03,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:03,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:03,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:03,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,540 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-16 12:36:03,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-11-16 12:36:03,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,563 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-16 12:36:03,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-16 12:36:03,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,585 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-16 12:36:03,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:03,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:03,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-11-16 12:36:03,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,608 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-16 12:36:03,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-16 12:36:03,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,627 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-16 12:36:03,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-11-16 12:36:03,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,645 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-16 12:36:03,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:03,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,663 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-16 12:36:03,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:03,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,681 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-16 12:36:03,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-11-16 12:36:03,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,699 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-16 12:36:03,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-11-16 12:36:03,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,717 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-16 12:36:03,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-11-16 12:36:03,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,737 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-16 12:36:03,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-11-16 12:36:03,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,756 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-16 12:36:03,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:03,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,773 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-16 12:36:03,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:03,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:03,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-11-16 12:36:03,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,795 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-16 12:36:03,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:03,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:03,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:03,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,841 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-16 12:36:03,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:03,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:03,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,859 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-16 12:36:03,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:03,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:03,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:03,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,915 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-16 12:36:03,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:03,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,933 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:36:03,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,935 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:36:03,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:03,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:03,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:03,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:03,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:03,957 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:03,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:03,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:03,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:03,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:03,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:03,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:03,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:03,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-16 12:36:03,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:04,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:04,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:04,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:04,004 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:04,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:04,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-16 12:36:04,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:04,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:04,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:04,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:04,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:04,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:04,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:04,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:04,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:04,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:04,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:04,056 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:04,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:04,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-16 12:36:04,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:04,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:04,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:04,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:04,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:04,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:04,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:04,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:04,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:04,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:04,101 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:04,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:04,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-16 12:36:04,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:04,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:04,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:04,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:04,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:04,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:04,175 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:36:04,316 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2022-11-16 12:36:04,316 INFO L444 ModelExtractionUtils]: 14 out of 58 variables were initially zero. Simplification set additionally 39 variables to zero. [2022-11-16 12:36:04,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:04,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:04,317 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:04,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:36:04,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-16 12:36:04,352 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 12:36:04,352 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:36:04,352 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_cstrspn_~p~0#1.offset) = 4294967295*ULTIMATE.start_main_~i~0#1 - 2*ULTIMATE.start_cstrspn_~p~0#1.offset Supporting invariants [-2*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_5 + 4294967295*ULTIMATE.start_main_~i~0#1 >= 0] [2022-11-16 12:36:04,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:04,489 INFO L156 tatePredicateManager]: 23 out of 25 supporting invariants were superfluous and have been removed [2022-11-16 12:36:04,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:04,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:04,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-16 12:36:04,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:36:04,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:04,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-16 12:36:04,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 12:36:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:04,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:36:04,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:36:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:36:04,884 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-16 12:36:04,884 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:36:04,990 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 29 states and 36 transitions. Complement of second has 7 states. [2022-11-16 12:36:04,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:36:04,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:36:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 26 transitions. [2022-11-16 12:36:04,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 15 letters. Loop has 4 letters. [2022-11-16 12:36:04,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:36:04,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 19 letters. Loop has 4 letters. [2022-11-16 12:36:04,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:36:04,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 15 letters. Loop has 8 letters. [2022-11-16 12:36:04,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:36:04,993 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-11-16 12:36:04,993 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:36:04,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2022-11-16 12:36:04,994 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:36:04,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:36:04,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:36:04,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:36:04,994 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:36:04,995 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:36:04,995 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:36:04,995 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-16 12:36:04,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:36:04,995 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:36:04,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:36:05,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:36:05 BoogieIcfgContainer [2022-11-16 12:36:05,004 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:36:05,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:36:05,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:36:05,005 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:36:05,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:36" (3/4) ... [2022-11-16 12:36:05,009 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:36:05,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:36:05,010 INFO L158 Benchmark]: Toolchain (without parser) took 29210.12ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 118.0MB in the beginning and 151.3MB in the end (delta: -33.3MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2022-11-16 12:36:05,010 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:36:05,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.34ms. Allocated memory is still 151.0MB. Free memory was 117.4MB in the beginning and 121.8MB in the end (delta: -4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:36:05,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.83ms. Allocated memory is still 151.0MB. Free memory was 121.8MB in the beginning and 120.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:36:05,011 INFO L158 Benchmark]: Boogie Preprocessor took 24.49ms. Allocated memory is still 151.0MB. Free memory was 120.1MB in the beginning and 118.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:36:05,012 INFO L158 Benchmark]: RCFGBuilder took 454.05ms. Allocated memory is still 151.0MB. Free memory was 118.5MB in the beginning and 105.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:36:05,012 INFO L158 Benchmark]: BuchiAutomizer took 28247.04ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 105.4MB in the beginning and 151.3MB in the end (delta: -45.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-16 12:36:05,013 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 220.2MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:36:05,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.34ms. Allocated memory is still 151.0MB. Free memory was 117.4MB in the beginning and 121.8MB in the end (delta: -4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.83ms. Allocated memory is still 151.0MB. Free memory was 121.8MB in the beginning and 120.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.49ms. Allocated memory is still 151.0MB. Free memory was 120.1MB in the beginning and 118.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 454.05ms. Allocated memory is still 151.0MB. Free memory was 118.5MB in the beginning and 105.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 28247.04ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 105.4MB in the beginning and 151.3MB in the end (delta: -45.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 220.2MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (3 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * spanp + 4294967295 * p and consists of 5 locations. One deterministic module has affine ranking function -2 * p + 4294967295 * i and consists of 6 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * spanp and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 28.1s and 9 iterations. TraceHistogramMax:2. Analysis of lassos took 24.9s. Construction of modules took 0.3s. Büchi inclusion checks took 2.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 3. Automata minimization 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 14 StatesRemovedByMinimization, 5 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 [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 303 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 301 mSDsluCounter, 533 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 33 IncrementalHoareTripleChecker+Unchecked, 375 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 293 IncrementalHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 158 mSDtfsCounter, 293 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital261 mio100 ax108 hnf100 lsp87 ukn76 mio100 lsp51 div163 bol100 ite100 ukn100 eq167 hnf92 smp74 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 133ms VariablesStem: 3 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:36:05,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:05,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8c3796-fdcf-43db-bd98-046d6c7f3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE