./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/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_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/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_1788d34f-02aa-455c-9837-f6e575a69fca/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 8246e56f0c6a2a64017cfdd94b26580c43f90ed61973daa969baf2d0942f8a17 --- 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 10:59:43,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:59:43,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:59:43,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:59:43,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:59:43,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:59:43,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:59:43,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:59:43,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:59:43,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:59:43,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:59:43,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:59:43,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:59:43,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:59:43,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:59:43,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:59:43,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:59:43,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:59:43,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:59:43,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:59:43,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:59:43,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:59:43,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:59:43,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:59:43,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:59:43,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:59:43,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:59:43,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:59:43,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:59:43,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:59:43,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:59:43,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:59:43,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:59:43,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:59:43,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:59:43,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:59:43,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:59:43,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:59:43,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:59:43,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:59:43,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:59:43,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 10:59:43,633 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:59:43,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:59:43,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:59:43,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:59:43,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:59:43,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:59:43,639 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:59:43,639 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 10:59:43,640 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 10:59:43,640 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 10:59:43,641 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 10:59:43,641 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 10:59:43,642 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 10:59:43,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:59:43,642 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:59:43,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 10:59:43,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:59:43,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:59:43,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:59:43,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 10:59:43,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 10:59:43,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 10:59:43,644 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:59:43,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:59:43,646 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 10:59:43,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:59:43,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 10:59:43,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:59:43,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:59:43,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:59:43,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:59:43,649 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 10:59:43,649 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_1788d34f-02aa-455c-9837-f6e575a69fca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8246e56f0c6a2a64017cfdd94b26580c43f90ed61973daa969baf2d0942f8a17 [2022-11-16 10:59:43,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:59:43,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:59:43,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:59:43,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:59:43,956 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:59:43,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2022-11-16 10:59:44,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/data/d652ecf71/243726dab5764fdfbe8c0cf6dee3ea48/FLAGe57bc1bbf [2022-11-16 10:59:44,654 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:59:44,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2022-11-16 10:59:44,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/data/d652ecf71/243726dab5764fdfbe8c0cf6dee3ea48/FLAGe57bc1bbf [2022-11-16 10:59:44,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/data/d652ecf71/243726dab5764fdfbe8c0cf6dee3ea48 [2022-11-16 10:59:44,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:59:44,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:59:44,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:59:44,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:59:44,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:59:44,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:59:44" (1/1) ... [2022-11-16 10:59:44,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbf0eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:44, skipping insertion in model container [2022-11-16 10:59:44,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:59:44" (1/1) ... [2022-11-16 10:59:44,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:59:45,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:59:45,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:59:45,429 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:59:45,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:59:45,528 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:59:45,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45 WrapperNode [2022-11-16 10:59:45,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:59:45,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:59:45,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:59:45,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:59:45,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (1/1) ... [2022-11-16 10:59:45,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (1/1) ... [2022-11-16 10:59:45,592 INFO L138 Inliner]: procedures = 117, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2022-11-16 10:59:45,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:59:45,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:59:45,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:59:45,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:59:45,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (1/1) ... [2022-11-16 10:59:45,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (1/1) ... [2022-11-16 10:59:45,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (1/1) ... [2022-11-16 10:59:45,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (1/1) ... [2022-11-16 10:59:45,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (1/1) ... [2022-11-16 10:59:45,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (1/1) ... [2022-11-16 10:59:45,636 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (1/1) ... [2022-11-16 10:59:45,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (1/1) ... [2022-11-16 10:59:45,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:59:45,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:59:45,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:59:45,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:59:45,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (1/1) ... [2022-11-16 10:59:45,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:45,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:45,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:45,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 10:59:45,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 10:59:45,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 10:59:45,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 10:59:45,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 10:59:45,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:59:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:59:45,914 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:59:45,928 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:59:46,161 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:59:46,170 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:59:46,171 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 10:59:46,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:59:46 BoogieIcfgContainer [2022-11-16 10:59:46,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:59:46,174 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 10:59:46,174 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 10:59:46,181 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 10:59:46,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:59:46,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 10:59:44" (1/3) ... [2022-11-16 10:59:46,183 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71d69a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:59:46, skipping insertion in model container [2022-11-16 10:59:46,183 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:59:46,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:45" (2/3) ... [2022-11-16 10:59:46,184 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71d69a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:59:46, skipping insertion in model container [2022-11-16 10:59:46,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:59:46,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:59:46" (3/3) ... [2022-11-16 10:59:46,186 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrncpy-alloca-2.i [2022-11-16 10:59:46,247 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 10:59:46,247 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 10:59:46,247 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 10:59:46,247 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 10:59:46,248 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 10:59:46,248 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 10:59:46,248 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 10:59:46,248 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 10:59:46,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 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 10:59:46,294 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 10:59:46,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:59:46,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:59:46,309 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 10:59:46,309 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:59:46,309 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 10:59:46,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 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 10:59:46,314 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 10:59:46,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:59:46,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:59:46,315 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 10:59:46,316 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:59:46,326 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 6#L535true assume !(main_~length~0#1 < 1); 10#L535-2true assume !(main_~n~0#1 < 1); 15#L538-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 3#L544-3true [2022-11-16 10:59:46,327 INFO L750 eck$LassoCheckResult]: Loop: 3#L544-3true assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 5#L544-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 3#L544-3true [2022-11-16 10:59:46,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:46,344 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-16 10:59:46,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:46,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349963667] [2022-11-16 10:59:46,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:46,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:46,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:46,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:46,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:46,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-11-16 10:59:46,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:46,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546089014] [2022-11-16 10:59:46,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:46,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:46,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:46,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:46,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:46,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-11-16 10:59:46,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:46,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368762403] [2022-11-16 10:59:46,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:46,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:46,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:46,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:47,193 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:59:47,194 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:59:47,194 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:59:47,194 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:59:47,194 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:59:47,195 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:47,195 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:59:47,195 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:59:47,196 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration1_Lasso [2022-11-16 10:59:47,196 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:59:47,196 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:59:47,222 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 10:59:47,233 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 10:59:47,236 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 10:59:47,239 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 10:59:47,248 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 10:59:47,252 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 10:59:47,256 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 10:59:47,260 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 10:59:47,264 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 10:59:47,269 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 10:59:47,274 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 10:59:47,278 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 10:59:47,284 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 10:59:48,022 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:59:48,027 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:59:48,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,034 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,037 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 10:59:48,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 10:59:48,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:48,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:48,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:48,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 10:59:48,098 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 10:59:48,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:48,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:48,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:48,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,134 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,149 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 10:59:48,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 10:59:48,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:48,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:48,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:48,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,190 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,199 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 10:59:48,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 10:59:48,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:48,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:48,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,246 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,250 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 10:59:48,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 10:59:48,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:48,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:48,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:48,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,287 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,301 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 10:59:48,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 10:59:48,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:48,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:48,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,347 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,357 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 10:59:48,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 10:59:48,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:48,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:48,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-16 10:59:48,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,404 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,408 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 10:59:48,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 10:59:48,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:48,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:48,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,449 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,453 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 10:59:48,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 10:59:48,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:48,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:48,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:48,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,489 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,508 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 10:59:48,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 10:59:48,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:48,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:48,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,550 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:59:48,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 10:59:48,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:48,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:48,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:48,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,585 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 10:59:48,597 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 10:59:48,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:48,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:48,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,634 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 10:59:48,645 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 10:59:48,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:48,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:48,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:48,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,679 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 10:59:48,690 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 10:59:48,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:48,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:48,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,732 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,741 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 10:59:48,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 10:59:48,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:48,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:48,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,793 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,804 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 10:59:48,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 10:59:48,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:48,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:48,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:48,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,834 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,841 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 10:59:48,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:48,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:48,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 10:59:48,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,879 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 10:59:48,889 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 10:59:48,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:48,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:48,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,928 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:48,944 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 10:59:48,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 10:59:48,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:48,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:48,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:48,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:48,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:48,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:48,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:48,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:48,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:48,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:48,987 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:49,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 10:59:49,002 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 10:59:49,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:49,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:49,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:49,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:49,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:49,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:49,045 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:59:49,101 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-16 10:59:49,102 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-16 10:59:49,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:49,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:49,106 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:49,140 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:59:49,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 10:59:49,158 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 10:59:49,159 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:59:49,159 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString~0#1.offset >= 0] [2022-11-16 10:59:49,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:49,199 INFO L156 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2022-11-16 10:59:49,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:49,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 10:59:49,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:49,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 10:59:49,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:49,346 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 10:59:49,387 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 10:59:49,389 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 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 10:59:49,494 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 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 36 states and 55 transitions. Complement of second has 8 states. [2022-11-16 10:59:49,497 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 10:59:49,502 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 10:59:49,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2022-11-16 10:59:49,509 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-16 10:59:49,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:59:49,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 10:59:49,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:59:49,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-16 10:59:49,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:59:49,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 55 transitions. [2022-11-16 10:59:49,523 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 10:59:49,528 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 13 states and 18 transitions. [2022-11-16 10:59:49,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 10:59:49,530 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 10:59:49,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-16 10:59:49,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:59:49,533 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 10:59:49,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-16 10:59:49,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-16 10:59:49,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:49,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-16 10:59:49,567 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 10:59:49,568 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 10:59:49,568 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 10:59:49,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-16 10:59:49,570 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 10:59:49,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:59:49,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:59:49,571 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:59:49,571 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:59:49,572 INFO L748 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 143#L535 assume !(main_~length~0#1 < 1); 144#L535-2 assume !(main_~n~0#1 < 1); 142#L538-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 136#L544-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 137#L544-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post2#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~post6#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 145#L520-2 [2022-11-16 10:59:49,572 INFO L750 eck$LassoCheckResult]: Loop: 145#L520-2 assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post2#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post2#1 - 1;havoc cstrncpy_#t~post2#1;cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 146#L522 assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 145#L520-2 [2022-11-16 10:59:49,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:49,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-11-16 10:59:49,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:49,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948652869] [2022-11-16 10:59:49,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:49,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:49,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:49,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:49,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:49,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:49,675 INFO L85 PathProgramCache]: Analyzing trace with hash 2195, now seen corresponding path program 1 times [2022-11-16 10:59:49,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:49,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860412023] [2022-11-16 10:59:49,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:49,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:49,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:49,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:49,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:49,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384832, now seen corresponding path program 1 times [2022-11-16 10:59:49,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:49,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239425257] [2022-11-16 10:59:49,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:49,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:50,380 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 10:59:50,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:59:50,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239425257] [2022-11-16 10:59:50,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239425257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:50,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:50,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 10:59:50,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078447083] [2022-11-16 10:59:50,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:50,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:59:50,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 10:59:50,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:59:50,584 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 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 10:59:50,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:50,711 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2022-11-16 10:59:50,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2022-11-16 10:59:50,713 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 10:59:50,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 24 transitions. [2022-11-16 10:59:50,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 10:59:50,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-16 10:59:50,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2022-11-16 10:59:50,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:59:50,714 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-16 10:59:50,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2022-11-16 10:59:50,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16. [2022-11-16 10:59:50,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 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 10:59:50,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-11-16 10:59:50,717 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-16 10:59:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 10:59:50,719 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-16 10:59:50,719 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 10:59:50,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-11-16 10:59:50,720 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 10:59:50,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:59:50,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:59:50,721 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:59:50,721 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:59:50,722 INFO L748 eck$LassoCheckResult]: Stem: 192#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 193#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 194#L535 assume !(main_~length~0#1 < 1); 195#L535-2 assume !(main_~n~0#1 < 1); 191#L538-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 184#L544-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 185#L544-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post2#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~post6#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 199#L520-2 assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post2#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post2#1 - 1;havoc cstrncpy_#t~post2#1;cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 198#L522 assume 0 == cstrncpy_#t~mem5#1;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1;cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~n2~0#1 := cstrncpy_~n#1; 190#L525-3 [2022-11-16 10:59:50,722 INFO L750 eck$LassoCheckResult]: Loop: 190#L525-3 cstrncpy_#t~post6#1 := cstrncpy_~n2~0#1;cstrncpy_~n2~0#1 := cstrncpy_#t~post6#1 - 1; 189#L525-1 assume !!(0 != cstrncpy_#t~post6#1);havoc cstrncpy_#t~post6#1;cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset := cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset := cstrncpy_#t~post7#1.base, 1 + cstrncpy_#t~post7#1.offset;call write~int(0, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, 1);havoc cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset; 190#L525-3 [2022-11-16 10:59:50,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:50,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384817, now seen corresponding path program 1 times [2022-11-16 10:59:50,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:50,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490985772] [2022-11-16 10:59:50,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:50,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:50,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:50,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:50,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:50,769 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 1 times [2022-11-16 10:59:50,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:50,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106543550] [2022-11-16 10:59:50,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:50,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:50,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:50,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:50,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:50,781 INFO L85 PathProgramCache]: Analyzing trace with hash -2087672522, now seen corresponding path program 1 times [2022-11-16 10:59:50,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:50,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591561567] [2022-11-16 10:59:50,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:50,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:50,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:50,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:52,445 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:59:52,445 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:59:52,445 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:59:52,445 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:59:52,445 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:59:52,445 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:52,445 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:59:52,445 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:59:52,445 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration3_Lasso [2022-11-16 10:59:52,445 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:59:52,446 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:59:52,455 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 10:59:52,460 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 10:59:53,657 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 10:59:53,660 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 10:59:53,663 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 10:59:53,666 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 10:59:53,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:59:53,671 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 10:59:53,673 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 10:59:53,676 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 10:59:53,679 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 10:59:53,686 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 10:59:53,688 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 10:59:53,691 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 10:59:53,694 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 10:59:53,697 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 10:59:53,701 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 10:59:53,704 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 10:59:53,707 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 10:59:53,711 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 10:59:53,714 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 10:59:53,717 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 10:59:53,720 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 10:59:53,722 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 10:59:55,084 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:59:55,094 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:59:55,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:55,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:55,096 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:55,106 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 10:59:55,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:55,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:55,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:55,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:55,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:55,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:55,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:55,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 10:59:55,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:55,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:55,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:55,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:55,136 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:55,143 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 10:59:55,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:55,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:55,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:55,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:55,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 10:59:55,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:55,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:55,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:55,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:55,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:55,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:55,184 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:55,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:59:55,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 10:59:55,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:55,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:55,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:55,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:55,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:55,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:55,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:55,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:55,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:55,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:55,235 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:55,240 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 10:59:55,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 10:59:55,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:55,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:55,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:55,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:55,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:55,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:55,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:55,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:55,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:55,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:55,295 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:55,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 10:59:55,299 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 10:59:55,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:55,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:55,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:55,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:55,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:55,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:55,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:55,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:55,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:55,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:55,325 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:55,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 10:59:55,334 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 10:59:55,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:55,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:55,351 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 10:59:55,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:55,415 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-16 10:59:55,416 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 10:59:55,577 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:59:55,914 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2022-11-16 10:59:55,914 INFO L444 ModelExtractionUtils]: 57 out of 111 variables were initially zero. Simplification set additionally 51 variables to zero. [2022-11-16 10:59:55,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:55,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:55,920 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:55,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 10:59:55,959 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:59:55,985 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-11-16 10:59:55,985 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:59:55,986 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n2~0#1) = 1*ULTIMATE.start_cstrncpy_~n2~0#1 Supporting invariants [1*ULTIMATE.start_cstrncpy_~n2~0#1 >= 0] [2022-11-16 10:59:55,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:56,098 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2022-11-16 10:59:56,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:56,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 10:59:56,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:56,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 10:59:56,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:56,278 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 10:59:56,279 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-16 10:59:56,279 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:56,333 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 25 transitions. Complement of second has 5 states. [2022-11-16 10:59:56,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2022-11-16 10:59:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-16 10:59:56,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-16 10:59:56,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:59:56,336 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 10:59:56,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:56,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 10:59:56,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:56,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 10:59:56,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:56,489 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 10:59:56,489 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-16 10:59:56,490 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:56,526 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 25 transitions. Complement of second has 5 states. [2022-11-16 10:59:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 10:59:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-11-16 10:59:56,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-16 10:59:56,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:59:56,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 2 letters. [2022-11-16 10:59:56,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:59:56,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-16 10:59:56,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:59:56,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2022-11-16 10:59:56,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 10:59:56,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 12 states and 15 transitions. [2022-11-16 10:59:56,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 10:59:56,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 10:59:56,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2022-11-16 10:59:56,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:59:56,532 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-11-16 10:59:56,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2022-11-16 10:59:56,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-16 10:59:56,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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 10:59:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-16 10:59:56,534 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-16 10:59:56,534 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-16 10:59:56,534 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 10:59:56,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2022-11-16 10:59:56,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 10:59:56,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:59:56,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:59:56,536 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:59:56,536 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:59:56,536 INFO L748 eck$LassoCheckResult]: Stem: 427#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 428#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 430#L535 assume !(main_~length~0#1 < 1); 431#L535-2 assume !(main_~n~0#1 < 1); 429#L538-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 423#L544-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 424#L544-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 425#L544-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 426#L544-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post2#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~post6#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 432#L520-2 [2022-11-16 10:59:56,536 INFO L750 eck$LassoCheckResult]: Loop: 432#L520-2 assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post2#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post2#1 - 1;havoc cstrncpy_#t~post2#1;cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 433#L522 assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 432#L520-2 [2022-11-16 10:59:56,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:56,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2022-11-16 10:59:56,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:56,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144842137] [2022-11-16 10:59:56,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:56,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:56,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:56,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:56,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:56,566 INFO L85 PathProgramCache]: Analyzing trace with hash 2195, now seen corresponding path program 2 times [2022-11-16 10:59:56,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:56,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980601310] [2022-11-16 10:59:56,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:56,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:56,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:56,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:56,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:56,579 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626526, now seen corresponding path program 1 times [2022-11-16 10:59:56,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:56,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796465755] [2022-11-16 10:59:56,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:56,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:56,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:56,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:57,802 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:59:57,802 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:59:57,802 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:59:57,802 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:59:57,803 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:59:57,803 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:57,803 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:59:57,803 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:59:57,803 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration4_Lasso [2022-11-16 10:59:57,803 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:59:57,803 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:59:57,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:59:57,816 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 10:59:57,820 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 10:59:57,823 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 10:59:57,827 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 10:59:57,831 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 10:59:57,834 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 10:59:57,837 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 10:59:57,841 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 10:59:57,843 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 10:59:57,847 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 10:59:57,849 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 10:59:57,851 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 10:59:57,853 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 10:59:57,858 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 10:59:58,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:58,870 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 10:59:58,873 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 10:59:58,877 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 10:59:58,880 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 10:59:58,883 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 10:59:58,886 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 10:59:58,889 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 10:59:58,891 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 10:59:58,894 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 10:59:58,898 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 10:59:58,901 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 10:59:58,906 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 10:59:58,916 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 10:59:59,743 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:59:59,743 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:59:59,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:59,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:59,745 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:59,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 10:59:59,752 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 10:59:59,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:59,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:59,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:59,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:59,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:59,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:59,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:59,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:59,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-16 10:59:59,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:59,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:59,769 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:59,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:59:59,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 10:59:59,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:59,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:59,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:59,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:59,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:59,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:59,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:59,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-16 10:59:59,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:59,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:59,793 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:59,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 10:59:59,797 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 10:59:59,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:59,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:59,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:59,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:59,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:59,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:59,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:59,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:59,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-16 10:59:59,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:59,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:59,814 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:59,818 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 10:59:59,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 10:59:59,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:59,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:59,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:59,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:59,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:59,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:59,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:59,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-16 10:59:59,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:59,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:59,840 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:59,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 10:59:59,843 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 10:59:59,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:59,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:59,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:59,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:59,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:59,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:59,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:59,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:59,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:59,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:59,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:59,861 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:59,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 10:59:59,862 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 10:59:59,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:59,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:59,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:59,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:59,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:59,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:59,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:59,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:59,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:59,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:59,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:59,880 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:59,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 10:59:59,888 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 10:59:59,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:59,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:59,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:59,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:59,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:59,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:59,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:59,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:59,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:59,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:59,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:59,909 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:59,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-16 10:59:59,911 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 10:59:59,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:59,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:59,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:59,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:59,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:59,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:59,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:59,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:59,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-16 10:59:59,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:59,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:59,928 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:59,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-16 10:59:59,931 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 10:59:59,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:59,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:59,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:59,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:59,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:59,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:59,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:59,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:59,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-16 10:59:59,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:59,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:59,948 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:59,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 10:59:59,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:59:59,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:59,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:59,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:59,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:59,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:59:59,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:59:59,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:59:59,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-16 10:59:59,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:59,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:59,976 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:59,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 10:59:59,984 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 10:59:59,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:59:59,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:59:59,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:59:59,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:59:59,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:59:59,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:59:59,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:59:59,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:00:00,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-16 11:00:00,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:00:00,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:00,001 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:00:00,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-16 11:00:00,004 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 11:00:00,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:00:00,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:00:00,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:00:00,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:00:00,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:00:00,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:00:00,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:00:00,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:00:00,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-16 11:00:00,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:00:00,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:00,022 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:00:00,032 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 11:00:00,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-16 11:00:00,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:00:00,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:00:00,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:00:00,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:00:00,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:00:00,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:00:00,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:00:00,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:00:00,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-16 11:00:00,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:00:00,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:00,049 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:00:00,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-16 11:00:00,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:00:00,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:00:00,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:00:00,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:00:00,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:00:00,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:00:00,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:00:00,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:00:00,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:00:00,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-16 11:00:00,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:00:00,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:00,068 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:00:00,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-16 11:00:00,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:00:00,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:00:00,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:00:00,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:00:00,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:00:00,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:00:00,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:00:00,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:00:00,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-16 11:00:00,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:00:00,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:00,119 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:00:00,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-16 11:00:00,122 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 11:00:00,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:00:00,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:00:00,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:00:00,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:00:00,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:00:00,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:00:00,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:00:00,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-16 11:00:00,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:00:00,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:00,156 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:00:00,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-16 11:00:00,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:00:00,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:00:00,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:00:00,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:00:00,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:00:00,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:00:00,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:00:00,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:00:00,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-16 11:00:00,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:00:00,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:00,182 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:00:00,188 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 11:00:00,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-16 11:00:00,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:00:00,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:00:00,200 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 11:00:00,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:00:00,208 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-16 11:00:00,208 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 11:00:00,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:00:00,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-16 11:00:00,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:00:00,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:00,232 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:00:00,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-16 11:00:00,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:00:00,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:00:00,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:00:00,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:00:00,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:00:00,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:00:00,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:00:00,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:00:00,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-16 11:00:00,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:00:00,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:00,291 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:00:00,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-16 11:00:00,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:00:00,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:00:00,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:00:00,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:00:00,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:00:00,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:00:00,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:00:00,336 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:00:00,378 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-16 11:00:00,379 INFO L444 ModelExtractionUtils]: 7 out of 31 variables were initially zero. Simplification set additionally 21 variables to zero. [2022-11-16 11:00:00,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:00:00,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:00,380 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:00:00,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-16 11:00:00,383 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:00:00,395 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:00:00,395 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:00:00,396 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~src~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3) = -1*ULTIMATE.start_cstrncpy_~src~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 Supporting invariants [] [2022-11-16 11:00:00,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-16 11:00:00,475 INFO L156 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2022-11-16 11:00:00,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:00:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:00,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:00:00,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:00:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:00,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 11:00:00,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:00:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:00:00,612 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-16 11:00:00,613 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:00:00,651 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 16 transitions. Complement of second has 5 states. [2022-11-16 11:00:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 11:00:00,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:00:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-16 11:00:00,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-16 11:00:00,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:00:00,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2022-11-16 11:00:00,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:00:00,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-16 11:00:00,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:00:00,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2022-11-16 11:00:00,655 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:00:00,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2022-11-16 11:00:00,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:00:00,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:00:00,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:00:00,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:00:00,656 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:00:00,656 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:00:00,656 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:00:00,656 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 11:00:00,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:00:00,657 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:00:00,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:00:00,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:00:00 BoogieIcfgContainer [2022-11-16 11:00:00,665 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:00:00,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:00:00,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:00:00,666 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:00:00,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:59:46" (3/4) ... [2022-11-16 11:00:00,670 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:00:00,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:00:00,671 INFO L158 Benchmark]: Toolchain (without parser) took 15717.68ms. Allocated memory was 157.3MB in the beginning and 260.0MB in the end (delta: 102.8MB). Free memory was 119.0MB in the beginning and 182.5MB in the end (delta: -63.5MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2022-11-16 11:00:00,671 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 157.3MB. Free memory was 129.8MB in the beginning and 129.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:00:00,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.18ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 123.6MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:00:00,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.00ms. Allocated memory is still 157.3MB. Free memory was 123.6MB in the beginning and 122.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:00:00,673 INFO L158 Benchmark]: Boogie Preprocessor took 50.58ms. Allocated memory is still 157.3MB. Free memory was 122.3MB in the beginning and 120.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:00:00,673 INFO L158 Benchmark]: RCFGBuilder took 528.81ms. Allocated memory is still 157.3MB. Free memory was 120.7MB in the beginning and 107.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:00:00,674 INFO L158 Benchmark]: BuchiAutomizer took 14490.77ms. Allocated memory was 157.3MB in the beginning and 260.0MB in the end (delta: 102.8MB). Free memory was 107.6MB in the beginning and 182.5MB in the end (delta: -74.9MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2022-11-16 11:00:00,674 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 260.0MB. Free memory is still 182.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:00:00,676 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 157.3MB. Free memory was 129.8MB in the beginning and 129.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.18ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 123.6MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.00ms. Allocated memory is still 157.3MB. Free memory was 123.6MB in the beginning and 122.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.58ms. Allocated memory is still 157.3MB. Free memory was 122.3MB in the beginning and 120.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.81ms. Allocated memory is still 157.3MB. Free memory was 120.7MB in the beginning and 107.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 14490.77ms. Allocated memory was 157.3MB in the beginning and 260.0MB in the end (delta: 102.8MB). Free memory was 107.6MB in the beginning and 182.5MB in the end (delta: -74.9MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 260.0MB. Free memory is still 182.5MB. 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function n2 and consists of 4 locations. One deterministic module has affine ranking function -1 * src + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 13.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 59 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax109 hnf100 lsp86 ukn92 mio100 lsp45 div160 bol100 ite100 ukn100 eq165 hnf91 smp76 dnf109 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 661ms VariablesStem: 25 VariablesLoop: 14 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:00:00,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-16 11:00:00,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788d34f-02aa-455c-9837-f6e575a69fca/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE