./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strspn.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strspn.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d2c6859ca90ff0da205f4fa2f88d8f61c0c2d9f9f437471b81ea8abc3f9fd19e --- 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-5e519f3 [2022-11-02 20:30:46,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:30:46,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:30:46,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:30:46,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:30:46,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:30:46,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:30:46,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:30:46,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:30:46,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:30:46,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:30:46,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:30:46,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:30:46,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:30:46,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:30:46,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:30:46,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:30:46,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:30:46,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:30:46,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:30:46,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:30:46,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:30:46,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:30:46,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:30:46,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:30:46,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:30:46,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:30:46,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:30:46,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:30:46,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:30:46,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:30:46,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:30:46,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:30:46,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:30:46,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:30:46,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:30:46,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:30:46,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:30:46,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:30:46,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:30:46,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:30:46,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:30:46,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:30:46,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:30:46,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:30:46,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:30:46,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:30:46,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:30:46,602 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:30:46,602 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:30:46,603 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:30:46,603 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:30:46,603 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:30:46,603 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:30:46,604 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:30:46,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:30:46,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:30:46,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:30:46,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:30:46,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:30:46,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:30:46,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:30:46,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:30:46,605 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:30:46,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:30:46,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:30:46,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:30:46,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:30:46,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:30:46,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:30:46,608 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:30:46,608 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_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c6859ca90ff0da205f4fa2f88d8f61c0c2d9f9f437471b81ea8abc3f9fd19e [2022-11-02 20:30:46,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:30:46,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:30:46,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:30:46,942 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:30:46,943 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:30:46,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-dietlibc/strspn.i [2022-11-02 20:30:47,018 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/data/d60062729/8c962153b8294e99a750e596abe82235/FLAGb2586e900 [2022-11-02 20:30:47,534 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:30:47,535 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/sv-benchmarks/c/termination-dietlibc/strspn.i [2022-11-02 20:30:47,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/data/d60062729/8c962153b8294e99a750e596abe82235/FLAGb2586e900 [2022-11-02 20:30:47,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/data/d60062729/8c962153b8294e99a750e596abe82235 [2022-11-02 20:30:47,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:30:47,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:30:47,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:47,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:30:47,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:30:47,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:47" (1/1) ... [2022-11-02 20:30:47,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bb97bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:47, skipping insertion in model container [2022-11-02 20:30:47,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:47" (1/1) ... [2022-11-02 20:30:47,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:30:47,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:30:48,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:48,264 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:30:48,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:48,347 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:30:48,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48 WrapperNode [2022-11-02 20:30:48,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:48,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:48,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:30:48,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:30:48,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (1/1) ... [2022-11-02 20:30:48,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (1/1) ... [2022-11-02 20:30:48,393 INFO L138 Inliner]: procedures = 113, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-11-02 20:30:48,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:48,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:30:48,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:30:48,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:30:48,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (1/1) ... [2022-11-02 20:30:48,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (1/1) ... [2022-11-02 20:30:48,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (1/1) ... [2022-11-02 20:30:48,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (1/1) ... [2022-11-02 20:30:48,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (1/1) ... [2022-11-02 20:30:48,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (1/1) ... [2022-11-02 20:30:48,419 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (1/1) ... [2022-11-02 20:30:48,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (1/1) ... [2022-11-02 20:30:48,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:30:48,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:30:48,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:30:48,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:30:48,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (1/1) ... [2022-11-02 20:30:48,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:48,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:48,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:48,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:30:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:30:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:30:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:30:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:30:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:30:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:30:48,607 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:30:48,609 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:30:48,878 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:30:48,884 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:30:48,884 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:30:48,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:48 BoogieIcfgContainer [2022-11-02 20:30:48,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:30:48,887 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:30:48,887 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:30:48,900 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:30:48,901 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:30:48,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:30:47" (1/3) ... [2022-11-02 20:30:48,902 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1571f9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:30:48, skipping insertion in model container [2022-11-02 20:30:48,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:30:48,903 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:48" (2/3) ... [2022-11-02 20:30:48,903 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1571f9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:30:48, skipping insertion in model container [2022-11-02 20:30:48,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:30:48,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:48" (3/3) ... [2022-11-02 20:30:48,905 INFO L332 chiAutomizerObserver]: Analyzing ICFG strspn.i [2022-11-02 20:30:48,972 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:30:48,972 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:30:48,972 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:30:48,972 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:30:48,972 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:30:48,973 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:30:48,973 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:30:48,973 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:30:48,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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) [2022-11-02 20:30:48,993 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-11-02 20:30:48,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:30:48,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:30:48,998 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:30:48,998 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:30:48,999 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:30:48,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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) [2022-11-02 20:30:49,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-11-02 20:30:49,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:30:49,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:30:49,001 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:30:49,001 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:30:49,009 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; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 9#L521true assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 2#L525true assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 7#L510-4true [2022-11-02 20:30:49,010 INFO L750 eck$LassoCheckResult]: Loop: 7#L510-4true call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 13#L510-1true assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 5#L511-6true assume !true; 8#L511-7true call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 14#L512true assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 12#L510-3true strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 7#L510-4true [2022-11-02 20:30:49,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:49,016 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-11-02 20:30:49,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:49,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651109011] [2022-11-02 20:30:49,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:49,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:49,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:49,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:30:49,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:49,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1366197546, now seen corresponding path program 1 times [2022-11-02 20:30:49,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:49,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611583550] [2022-11-02 20:30:49,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:49,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:49,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:49,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611583550] [2022-11-02 20:30:49,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611583550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:49,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:49,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:30:49,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510886775] [2022-11-02 20:30:49,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:49,279 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:30:49,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:49,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:30:49,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:30:49,317 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-02 20:30:49,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:49,328 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-02 20:30:49,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-02 20:30:49,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-11-02 20:30:49,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 15 transitions. [2022-11-02 20:30:49,344 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-02 20:30:49,345 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-02 20:30:49,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2022-11-02 20:30:49,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:30:49,347 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-02 20:30:49,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2022-11-02 20:30:49,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-02 20:30:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-11-02 20:30:49,378 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-02 20:30:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:30:49,388 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-02 20:30:49,389 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:30:49,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2022-11-02 20:30:49,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-11-02 20:30:49,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:30:49,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:30:49,391 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:30:49,391 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:49,392 INFO L748 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 47#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 50#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 44#L525 assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 45#L510-4 [2022-11-02 20:30:49,393 INFO L750 eck$LassoCheckResult]: Loop: 45#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 51#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 48#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 49#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 54#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 52#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 53#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 56#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 45#L510-4 [2022-11-02 20:30:49,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:49,396 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2022-11-02 20:30:49,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:49,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506278740] [2022-11-02 20:30:49,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:49,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:49,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:49,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:30:49,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:49,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1786909933, now seen corresponding path program 1 times [2022-11-02 20:30:49,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:49,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749425804] [2022-11-02 20:30:49,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:49,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:49,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:49,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:30:49,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:49,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1162005510, now seen corresponding path program 1 times [2022-11-02 20:30:49,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:49,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537725527] [2022-11-02 20:30:49,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:49,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:49,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:49,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:30:50,849 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:30:50,850 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:30:50,851 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:30:50,851 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:30:50,851 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:30:50,851 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:50,851 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:30:50,851 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:30:50,852 INFO L133 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration2_Lasso [2022-11-02 20:30:50,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:30:50,852 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:30:50,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,893 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,898 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,904 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,907 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,910 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,919 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,931 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,939 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,943 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,951 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:50,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:52,402 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:30:52,407 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:30:52,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:52,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:52,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:52,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:30:52,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:30:52,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:52,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:52,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:52,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:52,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:52,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:52,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:52,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:52,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-02 20:30:52,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:52,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:52,488 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:52,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:30:52,490 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 [2022-11-02 20:30:52,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:52,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:52,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:52,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:52,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:52,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:52,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:52,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:52,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:52,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:52,582 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:52,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:30:52,585 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 [2022-11-02 20:30:52,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:52,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:52,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:52,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:52,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:52,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:52,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:52,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:52,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-02 20:30:52,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:52,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:52,657 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:52,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:30:52,659 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 [2022-11-02 20:30:52,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:52,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:52,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:52,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:52,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:52,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:52,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:52,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:52,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:52,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:52,742 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:52,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:30:52,751 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 [2022-11-02 20:30:52,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:52,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:52,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:52,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:52,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:52,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:52,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:52,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:52,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:52,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:52,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:52,832 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:52,841 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 [2022-11-02 20:30:52,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:30:52,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:52,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:52,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:52,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:52,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:52,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:52,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:52,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:52,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:52,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:52,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:52,930 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:52,940 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 [2022-11-02 20:30:52,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:30:52,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:52,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:52,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:52,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:52,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:52,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:52,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:52,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:52,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:52,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:52,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:52,999 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:30:53,007 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 [2022-11-02 20:30:53,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,085 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:30:53,091 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 [2022-11-02 20:30:53,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:53,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:53,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,169 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,181 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 [2022-11-02 20:30:53,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:30:53,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,255 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,264 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 [2022-11-02 20:30:53,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:30:53,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,314 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:30:53,316 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 [2022-11-02 20:30:53,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-02 20:30:53,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,354 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:30:53,359 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 [2022-11-02 20:30:53,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,396 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 20:30:53,398 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 [2022-11-02 20:30:53,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,447 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,449 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 [2022-11-02 20:30:53,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 20:30:53,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-11-02 20:30:53,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,502 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 20:30:53,507 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 [2022-11-02 20:30:53,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,555 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 20:30:53,559 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 [2022-11-02 20:30:53,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,594 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 20:30:53,596 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 [2022-11-02 20:30:53,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-11-02 20:30:53,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,676 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 20:30:53,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:30:53,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,715 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 20:30:53,716 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 [2022-11-02 20:30:53,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:53,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:53,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:53,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,789 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,795 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 [2022-11-02 20:30:53,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:53,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:53,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 20:30:53,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,868 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,875 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 [2022-11-02 20:30:53,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 20:30:53,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:53,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:53,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:53,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:53,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:53,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,976 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 20:30:53,978 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 [2022-11-02 20:30:53,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:53,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:53,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:53,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:53,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:53,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:54,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:54,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-02 20:30:54,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:54,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:54,026 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:54,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-02 20:30:54,027 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 [2022-11-02 20:30:54,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:54,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:54,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:54,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:54,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:54,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:54,081 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:30:54,173 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2022-11-02 20:30:54,173 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 19 variables to zero. [2022-11-02 20:30:54,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:54,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:54,179 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:54,182 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:30:54,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-02 20:30:54,208 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:30:54,208 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:30:54,209 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~s#1.offset, v_rep(select #length ULTIMATE.start_main_~hay~0#1.base)_1) = -1*ULTIMATE.start_strspn_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~hay~0#1.base)_1 Supporting invariants [] [2022-11-02 20:30:54,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:54,356 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-02 20:30:54,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:54,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:54,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:30:54,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:54,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:30:54,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:54,620 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 [2022-11-02 20:30:54,621 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:54,714 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 27 transitions. Complement of second has 4 states. [2022-11-02 20:30:54,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:30:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:54,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2022-11-02 20:30:54,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 8 letters. [2022-11-02 20:30:54,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:30:54,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 12 letters. Loop has 8 letters. [2022-11-02 20:30:54,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:30:54,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 16 letters. [2022-11-02 20:30:54,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:30:54,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2022-11-02 20:30:54,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 20:30:54,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 19 states and 24 transitions. [2022-11-02 20:30:54,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-02 20:30:54,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 20:30:54,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2022-11-02 20:30:54,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:30:54,727 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-02 20:30:54,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2022-11-02 20:30:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-02 20:30:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-11-02 20:30:54,732 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-02 20:30:54,732 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-02 20:30:54,732 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:30:54,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2022-11-02 20:30:54,735 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 20:30:54,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:30:54,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:30:54,736 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:30:54,736 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 20:30:54,737 INFO L748 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 199#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 191#L525 assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 192#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 201#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 195#L511-6 [2022-11-02 20:30:54,737 INFO L750 eck$LassoCheckResult]: Loop: 195#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 196#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 205#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 206#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 195#L511-6 [2022-11-02 20:30:54,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:54,743 INFO L85 PathProgramCache]: Analyzing trace with hash 889571309, now seen corresponding path program 1 times [2022-11-02 20:30:54,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:54,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286910730] [2022-11-02 20:30:54,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:54,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:54,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:54,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:30:54,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:54,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1696358, now seen corresponding path program 1 times [2022-11-02 20:30:54,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:54,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345687985] [2022-11-02 20:30:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:54,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:54,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:54,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:30:54,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:54,898 INFO L85 PathProgramCache]: Analyzing trace with hash 736220242, now seen corresponding path program 1 times [2022-11-02 20:30:54,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:54,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781191315] [2022-11-02 20:30:54,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:54,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:54,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:54,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:30:56,156 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:30:56,156 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:30:56,156 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:30:56,156 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:30:56,157 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:30:56,157 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:56,157 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:30:56,157 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:30:56,157 INFO L133 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration3_Lasso [2022-11-02 20:30:56,157 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:30:56,157 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:30:56,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,172 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,174 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,176 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,181 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,183 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,188 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,196 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,879 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,884 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:56,889 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:30:57,617 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:30:57,617 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:30:57,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:57,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:57,623 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:57,626 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 [2022-11-02 20:30:57,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:57,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-02 20:30:57,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:57,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:57,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:57,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:57,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:57,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:57,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:57,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:57,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:57,694 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:57,700 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 [2022-11-02 20:30:57,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:57,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:57,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:57,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:57,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:57,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-02 20:30:57,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:57,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:57,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:57,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:57,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:57,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:57,736 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:57,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 20:30:57,738 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 [2022-11-02 20:30:57,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:57,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:57,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:57,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:57,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:57,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:57,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:57,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:57,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-02 20:30:57,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:57,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:57,771 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:57,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 20:30:57,773 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 [2022-11-02 20:30:57,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:57,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:57,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:57,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:57,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:57,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:57,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:57,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:57,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:57,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:57,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:57,807 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:57,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-02 20:30:57,808 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 [2022-11-02 20:30:57,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:57,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:57,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:57,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:57,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:57,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:57,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:57,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:57,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-02 20:30:57,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:57,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:57,842 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:57,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:30:57,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 20:30:57,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:57,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:57,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:57,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:57,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:57,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:57,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:57,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:57,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-02 20:30:57,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:57,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:57,876 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:57,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 20:30:57,878 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 [2022-11-02 20:30:57,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:57,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:57,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:57,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:57,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:57,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:57,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:57,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-02 20:30:57,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:57,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:57,917 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:57,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 20:30:57,918 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 [2022-11-02 20:30:57,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:57,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:57,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:57,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:57,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:57,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:57,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:57,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:57,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:57,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:57,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:57,952 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:57,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-02 20:30:57,954 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 [2022-11-02 20:30:57,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:57,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:57,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:57,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:57,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:57,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:57,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:57,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:58,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:58,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:58,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:58,024 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:58,028 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 [2022-11-02 20:30:58,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-02 20:30:58,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:58,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:58,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:58,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:58,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:58,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:58,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:58,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:58,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-02 20:30:58,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:58,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:58,091 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:58,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-02 20:30:58,092 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 [2022-11-02 20:30:58,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:58,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:58,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:58,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:58,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:58,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:58,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:58,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:58,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:58,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:58,157 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:58,163 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 [2022-11-02 20:30:58,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:58,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:30:58,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:58,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:58,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:58,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:30:58,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:30:58,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-02 20:30:58,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:58,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:58,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:58,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:58,201 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:58,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-02 20:30:58,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:30:58,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:58,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:58,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:58,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:58,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:58,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:58,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:58,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:58,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:58,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:58,272 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:58,276 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 [2022-11-02 20:30:58,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:58,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:58,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:58,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:58,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:58,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:58,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-02 20:30:58,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:58,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-02 20:30:58,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:58,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:58,353 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:58,355 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 [2022-11-02 20:30:58,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:58,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:58,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:58,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:58,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:58,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:58,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-02 20:30:58,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:58,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:58,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:58,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:58,438 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:58,443 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 [2022-11-02 20:30:58,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:58,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:58,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:58,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:58,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:58,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:58,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-02 20:30:58,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:58,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:58,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:58,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:58,488 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:58,490 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 [2022-11-02 20:30:58,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:58,503 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-02 20:30:58,503 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-02 20:30:58,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:58,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-02 20:30:58,520 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2022-11-02 20:30:58,520 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-02 20:30:58,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:30:58,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:58,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:58,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:58,607 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:58,611 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 [2022-11-02 20:30:58,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-02 20:30:58,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:30:58,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:30:58,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:30:58,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:30:58,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:30:58,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:30:58,681 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:30:58,836 INFO L443 ModelExtractionUtils]: Simplification made 32 calls to the SMT solver. [2022-11-02 20:30:58,836 INFO L444 ModelExtractionUtils]: 30 out of 55 variables were initially zero. Simplification set additionally 20 variables to zero. [2022-11-02 20:30:58,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:30:58,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:58,839 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:58,843 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:30:58,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-02 20:30:58,883 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-02 20:30:58,883 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:30:58,884 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_2, ULTIMATE.start_strspn_~a~0#1.offset) = 18446744073709551615*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_2 - 1*ULTIMATE.start_strspn_~a~0#1.offset Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_2 + 18446744073709551615*v_rep(select #length ULTIMATE.start_main_~hay~0#1.base)_2 >= 0] [2022-11-02 20:30:58,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-02 20:30:59,011 INFO L156 tatePredicateManager]: 16 out of 21 supporting invariants were superfluous and have been removed [2022-11-02 20:30:59,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-02 20:30:59,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:59,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-02 20:30:59,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-02 20:30:59,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:59,386 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-02 20:30:59,386 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:59,470 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 60 transitions. Complement of second has 8 states. [2022-11-02 20:30:59,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:30:59,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:59,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2022-11-02 20:30:59,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-02 20:30:59,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:30:59,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 10 letters. Loop has 4 letters. [2022-11-02 20:30:59,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:30:59,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 6 letters. Loop has 8 letters. [2022-11-02 20:30:59,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:30:59,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 60 transitions. [2022-11-02 20:30:59,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 20:30:59,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 32 states and 40 transitions. [2022-11-02 20:30:59,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-02 20:30:59,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-02 20:30:59,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 40 transitions. [2022-11-02 20:30:59,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:30:59,476 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 40 transitions. [2022-11-02 20:30:59,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 40 transitions. [2022-11-02 20:30:59,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2022-11-02 20:30:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2022-11-02 20:30:59,479 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-02 20:30:59,479 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-02 20:30:59,479 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 20:30:59,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2022-11-02 20:30:59,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 20:30:59,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:30:59,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:30:59,480 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:59,481 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 20:30:59,481 INFO L748 eck$LassoCheckResult]: Stem: 408#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 409#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 414#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 406#L525 assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 407#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 415#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 431#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 426#L511-1 assume !strspn_#t~short7#1; 423#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 419#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 420#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 424#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 416#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 418#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 410#L511-6 [2022-11-02 20:30:59,481 INFO L750 eck$LassoCheckResult]: Loop: 410#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 411#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 421#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 422#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 410#L511-6 [2022-11-02 20:30:59,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:59,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1779209729, now seen corresponding path program 1 times [2022-11-02 20:30:59,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:59,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147702215] [2022-11-02 20:30:59,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:59,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:59,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:59,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147702215] [2022-11-02 20:30:59,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147702215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:59,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:59,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:30:59,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056626884] [2022-11-02 20:30:59,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:59,637 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:30:59,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:59,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1696358, now seen corresponding path program 2 times [2022-11-02 20:30:59,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:59,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150762843] [2022-11-02 20:30:59,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:59,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:59,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:59,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:30:59,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:59,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:30:59,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:59,790 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2022-11-02 20:30:59,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:59,829 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2022-11-02 20:30:59,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2022-11-02 20:30:59,829 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-02 20:30:59,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 32 states and 38 transitions. [2022-11-02 20:30:59,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-02 20:30:59,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-02 20:30:59,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 38 transitions. [2022-11-02 20:30:59,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:30:59,830 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-02 20:30:59,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 38 transitions. [2022-11-02 20:30:59,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2022-11-02 20:30:59,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 26 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2022-11-02 20:30:59,833 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 33 transitions. [2022-11-02 20:30:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:30:59,838 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2022-11-02 20:30:59,838 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 20:30:59,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 33 transitions. [2022-11-02 20:30:59,839 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 20:30:59,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:30:59,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:30:59,841 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:59,841 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 20:30:59,842 INFO L748 eck$LassoCheckResult]: Stem: 479#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 480#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 485#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 477#L525 assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 478#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 486#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 497#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 502#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 501#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 490#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 491#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 496#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 487#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 489#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 481#L511-6 [2022-11-02 20:30:59,842 INFO L750 eck$LassoCheckResult]: Loop: 481#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 482#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 492#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 493#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 481#L511-6 [2022-11-02 20:30:59,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:59,842 INFO L85 PathProgramCache]: Analyzing trace with hash 4202367, now seen corresponding path program 2 times [2022-11-02 20:30:59,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:59,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265455980] [2022-11-02 20:30:59,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:59,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:59,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:59,896 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:30:59,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:59,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1696358, now seen corresponding path program 3 times [2022-11-02 20:30:59,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:59,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82012969] [2022-11-02 20:30:59,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:59,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:59,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:59,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:30:59,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:59,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1675488540, now seen corresponding path program 1 times [2022-11-02 20:30:59,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:59,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736201651] [2022-11-02 20:30:59,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:59,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:59,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:59,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:31:01,265 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:31:01,265 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:31:01,265 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:31:01,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:31:01,265 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:31:01,265 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:01,265 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:31:01,265 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:31:01,265 INFO L133 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration5_Lasso [2022-11-02 20:31:01,266 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:31:01,266 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:31:01,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,156 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,181 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,183 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,193 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,196 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,201 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,205 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,211 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:02,924 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:31:02,925 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:31:02,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:02,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:02,932 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:02,940 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 [2022-11-02 20:31:02,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-02 20:31:02,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:31:02,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:31:02,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:31:02,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:31:02,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:31:02,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:31:02,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:31:02,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-02 20:31:02,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:02,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:02,984 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:02,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-02 20:31:02,986 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 [2022-11-02 20:31:02,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:31:02,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:31:02,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:31:02,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:31:02,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:31:02,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:31:03,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:31:03,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-02 20:31:03,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:03,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:03,042 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:03,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-02 20:31:03,055 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 [2022-11-02 20:31:03,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:31:03,065 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2022-11-02 20:31:03,065 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-02 20:31:03,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:31:03,093 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2022-11-02 20:31:03,093 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-02 20:31:03,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:31:03,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:03,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:03,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:03,202 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:03,207 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 [2022-11-02 20:31:03,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:31:03,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:31:03,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:31:03,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:31:03,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-02 20:31:03,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:31:03,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:31:03,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:31:03,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-02 20:31:03,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:03,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:03,250 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:03,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-02 20:31:03,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:31:03,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:31:03,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:31:03,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:31:03,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:31:03,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:31:03,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:31:03,326 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:31:03,403 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-11-02 20:31:03,403 INFO L444 ModelExtractionUtils]: 24 out of 52 variables were initially zero. Simplification set additionally 25 variables to zero. [2022-11-02 20:31:03,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:03,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:03,406 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:03,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-02 20:31:03,407 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:31:03,417 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:31:03,417 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:31:03,417 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~needle~0#1.base)_3, ULTIMATE.start_strspn_~a~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~needle~0#1.base)_3 - 1*ULTIMATE.start_strspn_~a~0#1.offset Supporting invariants [] [2022-11-02 20:31:03,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-11-02 20:31:03,605 INFO L156 tatePredicateManager]: 35 out of 36 supporting invariants were superfluous and have been removed [2022-11-02 20:31:03,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:03,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:31:03,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:03,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:31:03,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:03,748 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 [2022-11-02 20:31:03,748 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:03,797 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 52 transitions. Complement of second has 6 states. [2022-11-02 20:31:03,798 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 [2022-11-02 20:31:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-02 20:31:03,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-02 20:31:03,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:31:03,799 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:31:03,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:03,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:31:03,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:03,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:31:03,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:03,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:03,944 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 [2022-11-02 20:31:03,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:03,986 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 52 transitions. Complement of second has 6 states. [2022-11-02 20:31:03,986 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 [2022-11-02 20:31:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:03,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-02 20:31:03,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-02 20:31:03,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:31:03,988 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:31:04,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:04,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:31:04,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:04,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:31:04,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:04,163 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-02 20:31:04,163 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:04,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:04,223 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 57 transitions. Complement of second has 5 states. [2022-11-02 20:31:04,223 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 [2022-11-02 20:31:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2022-11-02 20:31:04,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-02 20:31:04,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:31:04,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 18 letters. Loop has 4 letters. [2022-11-02 20:31:04,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:31:04,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 14 letters. Loop has 8 letters. [2022-11-02 20:31:04,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:31:04,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 57 transitions. [2022-11-02 20:31:04,239 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:31:04,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2022-11-02 20:31:04,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:31:04,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:31:04,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:31:04,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:31:04,240 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:31:04,240 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:31:04,240 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:31:04,240 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-02 20:31:04,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:31:04,240 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:31:04,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:31:04,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:31:04 BoogieIcfgContainer [2022-11-02 20:31:04,252 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:31:04,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:31:04,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:31:04,253 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:31:04,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:48" (3/4) ... [2022-11-02 20:31:04,256 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:31:04,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:31:04,257 INFO L158 Benchmark]: Toolchain (without parser) took 16422.23ms. Allocated memory was 94.4MB in the beginning and 167.8MB in the end (delta: 73.4MB). Free memory was 73.1MB in the beginning and 125.6MB in the end (delta: -52.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-11-02 20:31:04,257 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:31:04,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.51ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 64.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:31:04,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.99ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 62.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:31:04,259 INFO L158 Benchmark]: Boogie Preprocessor took 24.20ms. Allocated memory is still 94.4MB. Free memory was 62.6MB in the beginning and 61.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:31:04,259 INFO L158 Benchmark]: RCFGBuilder took 457.66ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 49.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:31:04,259 INFO L158 Benchmark]: BuchiAutomizer took 15365.02ms. Allocated memory was 94.4MB in the beginning and 167.8MB in the end (delta: 73.4MB). Free memory was 49.0MB in the beginning and 126.7MB in the end (delta: -77.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:31:04,260 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 125.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:31:04,262 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 94.4MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.51ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 64.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.99ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 62.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.20ms. Allocated memory is still 94.4MB. Free memory was 62.6MB in the beginning and 61.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.66ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 49.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 15365.02ms. Allocated memory was 94.4MB in the beginning and 167.8MB in the end (delta: 73.4MB). Free memory was 49.0MB in the beginning and 126.7MB in the end (delta: -77.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 125.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[hay] + -1 * s and consists of 3 locations. One deterministic module has affine ranking function -1 * a + 18446744073709551615 * unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 6 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[needle] + -1 * a and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.2s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 13.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 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, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 141 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 98 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital244 mio100 ax100 hnf100 lsp95 ukn88 mio100 lsp44 div161 bol100 ite100 ukn100 eq165 hnf91 smp68 dnf100 smp100 tf100 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 125ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 4 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 72 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! [2022-11-02 20:31:04,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50698e3-1941-4a5a-abc7-8c96a5c39e34/bin/uautomizer-Dbtcem3rbc/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