./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 --- 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-2329fc7 [2022-12-13 14:55:54,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:55:54,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:55:54,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:55:54,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:55:54,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:55:54,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:55:54,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:55:54,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:55:54,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:55:54,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:55:54,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:55:54,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:55:54,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:55:55,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:55:55,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:55:55,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:55:55,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:55:55,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:55:55,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:55:55,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:55:55,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:55:55,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:55:55,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:55:55,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:55:55,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:55:55,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:55:55,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:55:55,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:55:55,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:55:55,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:55:55,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:55:55,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:55:55,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:55:55,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:55:55,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:55:55,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:55:55,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:55:55,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:55:55,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:55:55,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:55:55,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 14:55:55,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:55:55,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:55:55,067 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:55:55,067 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:55:55,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:55:55,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:55:55,068 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:55:55,068 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 14:55:55,068 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 14:55:55,068 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 14:55:55,068 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 14:55:55,068 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 14:55:55,068 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 14:55:55,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:55:55,069 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:55:55,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:55:55,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:55:55,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:55:55,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:55:55,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 14:55:55,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 14:55:55,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 14:55:55,069 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:55:55,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:55:55,069 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 14:55:55,070 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:55:55,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 14:55:55,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:55:55,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:55:55,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:55:55,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:55:55,071 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 14:55:55,071 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_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 [2022-12-13 14:55:55,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:55:55,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:55:55,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:55:55,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:55:55,263 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:55:55,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2022-12-13 14:55:57,896 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:55:58,048 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:55:58,048 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2022-12-13 14:55:58,055 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/data/99a51b1ee/41d832eafaa64280b9b6113e4143baf0/FLAG5398a2bcd [2022-12-13 14:55:58,066 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/data/99a51b1ee/41d832eafaa64280b9b6113e4143baf0 [2022-12-13 14:55:58,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:55:58,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:55:58,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:55:58,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:55:58,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:55:58,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660d3a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58, skipping insertion in model container [2022-12-13 14:55:58,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:55:58,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:55:58,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:55:58,310 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:55:58,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:55:58,352 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:55:58,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58 WrapperNode [2022-12-13 14:55:58,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:55:58,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:55:58,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:55:58,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:55:58,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,381 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 97 [2022-12-13 14:55:58,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:55:58,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:55:58,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:55:58,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:55:58,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,399 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:55:58,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:55:58,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:55:58,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:55:58,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (1/1) ... [2022-12-13 14:55:58,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:55:58,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:55:58,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:55:58,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 14:55:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:55:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:55:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:55:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:55:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:55:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:55:58,544 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:55:58,546 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:55:58,693 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:55:58,699 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:55:58,699 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 14:55:58,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:55:58 BoogieIcfgContainer [2022-12-13 14:55:58,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:55:58,701 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 14:55:58,701 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 14:55:58,704 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 14:55:58,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:55:58,705 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 02:55:58" (1/3) ... [2022-12-13 14:55:58,705 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@623d2a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:55:58, skipping insertion in model container [2022-12-13 14:55:58,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:55:58,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:58" (2/3) ... [2022-12-13 14:55:58,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@623d2a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:55:58, skipping insertion in model container [2022-12-13 14:55:58,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:55:58,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:55:58" (3/3) ... [2022-12-13 14:55:58,707 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncmp-alloca-2.i [2022-12-13 14:55:58,785 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 14:55:58,786 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 14:55:58,786 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 14:55:58,786 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 14:55:58,786 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 14:55:58,786 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 14:55:58,786 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 14:55:58,786 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 14:55:58,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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) [2022-12-13 14:55:58,803 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-12-13 14:55:58,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:55:58,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:55:58,807 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 14:55:58,807 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 14:55:58,807 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 14:55:58,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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) [2022-12-13 14:55:58,809 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-12-13 14:55:58,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:55:58,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:55:58,810 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 14:55:58,810 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 14:55:58,815 INFO L748 eck$LassoCheckResult]: Stem: 16#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 6#L529true assume !(main_~length1~0#1 < 1); 18#L529-2true assume !(main_~length2~0#1 < 1); 2#L532-1true call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 3#L538-3true [2022-12-13 14:55:58,815 INFO L750 eck$LassoCheckResult]: Loop: 3#L538-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 17#L538-2true main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 3#L538-3true [2022-12-13 14:55:58,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:55:58,820 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-12-13 14:55:58,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:55:58,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535592663] [2022-12-13 14:55:58,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:55:58,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:55:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:55:58,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:55:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:55:58,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:55:58,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:55:58,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-12-13 14:55:58,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:55:58,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122234845] [2022-12-13 14:55:58,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:55:58,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:55:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:55:58,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:55:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:55:58,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:55:58,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:55:58,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-12-13 14:55:58,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:55:58,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428771790] [2022-12-13 14:55:58,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:55:58,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:55:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:55:59,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:55:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:55:59,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:55:59,344 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:55:59,345 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:55:59,345 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:55:59,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:55:59,345 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:55:59,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:55:59,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:55:59,345 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:55:59,346 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca-2.i_Iteration1_Lasso [2022-12-13 14:55:59,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:55:59,346 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:55:59,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,379 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:55:59,875 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:55:59,878 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:55:59,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:55:59,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:55:59,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:55:59,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 14:55:59,883 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 [2022-12-13 14:55:59,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:55:59,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:55:59,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:55:59,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:55:59,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:55:59,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:55:59,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:55:59,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:55:59,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:55:59,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:55:59,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:55:59,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:55:59,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 14:55:59,907 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 [2022-12-13 14:55:59,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:55:59,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:55:59,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:55:59,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:55:59,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:55:59,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:55:59,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:55:59,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:55:59,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 14:55:59,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:55:59,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:55:59,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:55:59,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 14:55:59,926 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 [2022-12-13 14:55:59,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:55:59,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:55:59,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:55:59,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:55:59,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:55:59,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:55:59,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:55:59,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:55:59,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-12-13 14:55:59,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:55:59,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:55:59,944 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:55:59,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 14:55:59,946 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 [2022-12-13 14:55:59,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:55:59,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:55:59,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:55:59,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:55:59,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:55:59,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:55:59,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:55:59,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 14:55:59,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:55:59,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:55:59,973 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:55:59,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 14:55:59,975 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 [2022-12-13 14:55:59,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:55:59,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:55:59,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:55:59,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:55:59,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:55:59,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:55:59,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:55:59,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-12-13 14:55:59,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:00,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:00,001 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:00,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 14:56:00,003 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 [2022-12-13 14:56:00,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:00,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:00,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:00,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:00,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:56:00,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:56:00,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:00,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 14:56:00,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:00,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:00,023 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:00,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 14:56:00,025 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 [2022-12-13 14:56:00,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:00,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:00,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:00,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:00,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:00,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:00,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:00,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:00,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 14:56:00,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:00,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:00,042 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:00,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 14:56:00,044 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 [2022-12-13 14:56:00,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:00,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:00,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:00,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:00,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:56:00,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:56:00,071 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 14:56:00,098 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-12-13 14:56:00,098 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-12-13 14:56:00,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:00,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:00,144 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:00,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 14:56:00,146 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 14:56:00,157 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-12-13 14:56:00,158 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 14:56:00,158 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString1~0#1.offset >= 0] [2022-12-13 14:56:00,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 14:56:00,181 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2022-12-13 14:56:00,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:56:00,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:56:00,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:56:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:56:00,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 14:56:00,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:56:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:56:00,282 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 [2022-12-13 14:56:00,283 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:56:00,346 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 79 transitions. Complement of second has 7 states. [2022-12-13 14:56:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 14:56:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:56:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2022-12-13 14:56:00,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 5 letters. Loop has 2 letters. [2022-12-13 14:56:00,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:56:00,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 14:56:00,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:56:00,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 5 letters. Loop has 4 letters. [2022-12-13 14:56:00,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:56:00,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 79 transitions. [2022-12-13 14:56:00,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-12-13 14:56:00,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 18 states and 23 transitions. [2022-12-13 14:56:00,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-12-13 14:56:00,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-12-13 14:56:00,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2022-12-13 14:56:00,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:56:00,365 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-12-13 14:56:00,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2022-12-13 14:56:00,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-13 14:56:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:56:00,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2022-12-13 14:56:00,386 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-12-13 14:56:00,386 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-12-13 14:56:00,387 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 14:56:00,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2022-12-13 14:56:00,388 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-12-13 14:56:00,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:56:00,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:56:00,388 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:56:00,388 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 14:56:00,388 INFO L748 eck$LassoCheckResult]: Stem: 173#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 162#L529 assume !(main_~length1~0#1 < 1); 163#L529-2 assume !(main_~length2~0#1 < 1); 160#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 156#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 157#L538-4 main_~i~1#1 := 0; 161#L543-3 [2022-12-13 14:56:00,388 INFO L750 eck$LassoCheckResult]: Loop: 161#L543-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 169#L543-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 161#L543-3 [2022-12-13 14:56:00,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:00,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-12-13 14:56:00,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:00,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787136009] [2022-12-13 14:56:00,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:00,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:00,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:56:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:00,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:56:00,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:00,425 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-12-13 14:56:00,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:00,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725898499] [2022-12-13 14:56:00,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:00,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:00,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:56:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:00,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:56:00,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:00,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-12-13 14:56:00,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:00,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881892931] [2022-12-13 14:56:00,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:00,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:00,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 14:56:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:00,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:56:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:00,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:56:00,696 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:56:00,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:56:00,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:56:00,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:56:00,697 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:56:00,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:00,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:56:00,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:56:00,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca-2.i_Iteration2_Lasso [2022-12-13 14:56:00,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:56:00,697 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:56:00,701 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,838 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,845 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,849 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,855 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,857 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:00,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:01,111 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:56:01,111 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:56:01,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:01,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:01,113 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:01,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 14:56:01,115 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 [2022-12-13 14:56:01,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:01,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:01,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:01,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:01,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:56:01,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:56:01,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:01,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-12-13 14:56:01,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:01,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:01,138 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:01,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 14:56:01,140 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 [2022-12-13 14:56:01,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:01,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:01,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:01,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:01,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:56:01,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:56:01,166 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 14:56:01,186 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-12-13 14:56:01,186 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-12-13 14:56:01,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:01,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:01,187 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:01,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 14:56:01,189 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 14:56:01,202 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 14:56:01,202 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 14:56:01,202 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nondetString2~0#1.offset, ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_2) = -1*ULTIMATE.start_main_~nondetString2~0#1.offset - 1*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_2 Supporting invariants [] [2022-12-13 14:56:01,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 14:56:01,221 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2022-12-13 14:56:01,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 14:56:01,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:56:01,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:56:01,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:56:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:56:01,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 14:56:01,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:56:01,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:56:01,285 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 [2022-12-13 14:56:01,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:56:01,318 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 7 states. [2022-12-13 14:56:01,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 14:56:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:56:01,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2022-12-13 14:56:01,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 14:56:01,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:56:01,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 9 letters. Loop has 2 letters. [2022-12-13 14:56:01,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:56:01,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 7 letters. Loop has 4 letters. [2022-12-13 14:56:01,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:56:01,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2022-12-13 14:56:01,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:56:01,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 19 states and 25 transitions. [2022-12-13 14:56:01,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-12-13 14:56:01,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-12-13 14:56:01,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-12-13 14:56:01,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:56:01,323 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-12-13 14:56:01,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-12-13 14:56:01,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-13 14:56:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 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) [2022-12-13 14:56:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-12-13 14:56:01,324 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-12-13 14:56:01,324 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-12-13 14:56:01,324 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 14:56:01,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2022-12-13 14:56:01,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:56:01,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:56:01,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:56:01,325 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:56:01,325 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 14:56:01,325 INFO L748 eck$LassoCheckResult]: Stem: 299#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 287#L529 assume !(main_~length1~0#1 < 1); 288#L529-2 assume !(main_~length2~0#1 < 1); 285#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 281#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 282#L538-4 main_~i~1#1 := 0; 286#L543-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 290#L543-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet19#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem4#1, cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, cstrncmp_#t~mem5#1, cstrncmp_#t~mem7#1, cstrncmp_#t~pre6#1.base, cstrncmp_#t~pre6#1.offset, cstrncmp_#t~mem8#1, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~pre2#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 291#L516 assume !(0 == cstrncmp_~n#1 % 4294967296); 296#L518-4 [2022-12-13 14:56:01,326 INFO L750 eck$LassoCheckResult]: Loop: 296#L518-4 call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post3#1.base, 1 + cstrncmp_#t~post3#1.offset;call cstrncmp_#t~mem5#1 := read~int(cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, 1); 297#L519 assume !(cstrncmp_#t~mem4#1 != cstrncmp_#t~mem5#1);havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset;havoc cstrncmp_#t~mem5#1;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, 1); 292#L521 assume !(0 == cstrncmp_#t~mem10#1);havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~mem10#1; 293#L518-1 cstrncmp_#t~pre2#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 298#L518-2 assume !!(0 != cstrncmp_#t~pre2#1 % 4294967296);havoc cstrncmp_#t~pre2#1; 296#L518-4 [2022-12-13 14:56:01,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:01,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 1 times [2022-12-13 14:56:01,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:01,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008737222] [2022-12-13 14:56:01,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:01,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:01,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:56:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:01,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:56:01,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:01,355 INFO L85 PathProgramCache]: Analyzing trace with hash 78411965, now seen corresponding path program 1 times [2022-12-13 14:56:01,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:01,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186479385] [2022-12-13 14:56:01,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:01,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:01,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:56:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:01,368 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:56:01,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:01,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1989497660, now seen corresponding path program 1 times [2022-12-13 14:56:01,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:01,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135183951] [2022-12-13 14:56:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:01,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:56:01,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:56:01,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:56:01,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135183951] [2022-12-13 14:56:01,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135183951] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:56:01,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:56:01,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 14:56:01,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249705507] [2022-12-13 14:56:01,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:56:01,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:56:01,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 14:56:01,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:56:01,888 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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) [2022-12-13 14:56:01,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:56:01,984 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-12-13 14:56:01,984 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-12-13 14:56:01,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:56:01,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 20 states and 25 transitions. [2022-12-13 14:56:01,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-12-13 14:56:01,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-12-13 14:56:01,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2022-12-13 14:56:01,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:56:01,986 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-12-13 14:56:01,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2022-12-13 14:56:01,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-12-13 14:56:01,988 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) [2022-12-13 14:56:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-12-13 14:56:01,988 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-12-13 14:56:01,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:56:01,989 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-12-13 14:56:01,989 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 14:56:01,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2022-12-13 14:56:01,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:56:01,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:56:01,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:56:01,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:56:01,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 14:56:01,991 INFO L748 eck$LassoCheckResult]: Stem: 365#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 355#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 353#L529 assume !(main_~length1~0#1 < 1); 354#L529-2 assume !(main_~length2~0#1 < 1); 351#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 347#L538-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 348#L538-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 349#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 350#L538-4 main_~i~1#1 := 0; 352#L543-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 356#L543-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet19#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem4#1, cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, cstrncmp_#t~mem5#1, cstrncmp_#t~mem7#1, cstrncmp_#t~pre6#1.base, cstrncmp_#t~pre6#1.offset, cstrncmp_#t~mem8#1, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~pre2#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 357#L516 assume !(0 == cstrncmp_~n#1 % 4294967296); 362#L518-4 [2022-12-13 14:56:01,991 INFO L750 eck$LassoCheckResult]: Loop: 362#L518-4 call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post3#1.base, 1 + cstrncmp_#t~post3#1.offset;call cstrncmp_#t~mem5#1 := read~int(cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, 1); 363#L519 assume !(cstrncmp_#t~mem4#1 != cstrncmp_#t~mem5#1);havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset;havoc cstrncmp_#t~mem5#1;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, 1); 358#L521 assume !(0 == cstrncmp_#t~mem10#1);havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~mem10#1; 359#L518-1 cstrncmp_#t~pre2#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 364#L518-2 assume !!(0 != cstrncmp_#t~pre2#1 % 4294967296);havoc cstrncmp_#t~pre2#1; 362#L518-4 [2022-12-13 14:56:01,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:01,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1351083896, now seen corresponding path program 1 times [2022-12-13 14:56:01,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:01,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581630170] [2022-12-13 14:56:01,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:01,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:02,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:56:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:02,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:56:02,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:02,018 INFO L85 PathProgramCache]: Analyzing trace with hash 78411965, now seen corresponding path program 2 times [2022-12-13 14:56:02,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:02,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667916619] [2022-12-13 14:56:02,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:02,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:02,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:56:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:02,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:56:02,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:02,031 INFO L85 PathProgramCache]: Analyzing trace with hash -351427674, now seen corresponding path program 1 times [2022-12-13 14:56:02,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:02,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621435699] [2022-12-13 14:56:02,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:02,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:56:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:56:02,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:56:02,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621435699] [2022-12-13 14:56:02,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621435699] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:56:02,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:56:02,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 14:56:02,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914608873] [2022-12-13 14:56:02,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:56:02,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:56:02,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 14:56:02,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:56:02,483 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 8 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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) [2022-12-13 14:56:02,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:56:02,548 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-12-13 14:56:02,548 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2022-12-13 14:56:02,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:56:02,549 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 20 states and 24 transitions. [2022-12-13 14:56:02,549 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-12-13 14:56:02,549 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-12-13 14:56:02,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2022-12-13 14:56:02,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:56:02,550 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-12-13 14:56:02,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2022-12-13 14:56:02,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-12-13 14:56:02,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:56:02,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-12-13 14:56:02,551 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-12-13 14:56:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 14:56:02,552 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-12-13 14:56:02,552 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 14:56:02,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2022-12-13 14:56:02,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:56:02,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:56:02,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:56:02,553 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:56:02,553 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 14:56:02,553 INFO L748 eck$LassoCheckResult]: Stem: 429#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 419#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 417#L529 assume !(main_~length1~0#1 < 1); 418#L529-2 assume !(main_~length2~0#1 < 1); 411#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 412#L538-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 413#L538-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 414#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 415#L538-4 main_~i~1#1 := 0; 416#L543-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 424#L543-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 425#L543-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 420#L543-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet19#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem4#1, cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, cstrncmp_#t~mem5#1, cstrncmp_#t~mem7#1, cstrncmp_#t~pre6#1.base, cstrncmp_#t~pre6#1.offset, cstrncmp_#t~mem8#1, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~pre2#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 421#L516 assume !(0 == cstrncmp_~n#1 % 4294967296); 426#L518-4 [2022-12-13 14:56:02,554 INFO L750 eck$LassoCheckResult]: Loop: 426#L518-4 call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post3#1.base, 1 + cstrncmp_#t~post3#1.offset;call cstrncmp_#t~mem5#1 := read~int(cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, 1); 427#L519 assume !(cstrncmp_#t~mem4#1 != cstrncmp_#t~mem5#1);havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset;havoc cstrncmp_#t~mem5#1;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, 1); 422#L521 assume !(0 == cstrncmp_#t~mem10#1);havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~mem10#1; 423#L518-1 cstrncmp_#t~pre2#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 428#L518-2 assume !!(0 != cstrncmp_#t~pre2#1 % 4294967296);havoc cstrncmp_#t~pre2#1; 426#L518-4 [2022-12-13 14:56:02,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:02,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217430, now seen corresponding path program 1 times [2022-12-13 14:56:02,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:02,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810133746] [2022-12-13 14:56:02,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:02,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:02,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:56:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:02,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:56:02,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:02,579 INFO L85 PathProgramCache]: Analyzing trace with hash 78411965, now seen corresponding path program 3 times [2022-12-13 14:56:02,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:02,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353310747] [2022-12-13 14:56:02,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:02,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:02,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:56:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:02,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:56:02,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:02,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1019129272, now seen corresponding path program 1 times [2022-12-13 14:56:02,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:56:02,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077511199] [2022-12-13 14:56:02,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:56:02,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:56:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:02,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:56:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:56:02,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:56:03,953 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:56:03,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:56:03,954 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:56:03,954 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:56:03,954 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:56:03,954 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:03,954 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:56:03,954 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:56:03,954 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca-2.i_Iteration5_Lasso [2022-12-13 14:56:03,954 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:56:03,954 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:56:03,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,963 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,966 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,969 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,970 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,971 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,973 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,983 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,989 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:03,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:04,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:04,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:04,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:04,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:04,845 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:04,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:04,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:04,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:56:05,389 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:56:05,389 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:56:05,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,390 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 14:56:05,392 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 [2022-12-13 14:56:05,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-12-13 14:56:05,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,407 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 14:56:05,409 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 [2022-12-13 14:56:05,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-12-13 14:56:05,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,425 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 14:56:05,427 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 [2022-12-13 14:56:05,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 14:56:05,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,442 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 14:56:05,444 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 [2022-12-13 14:56:05,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:56:05,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:56:05,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-12-13 14:56:05,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,461 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 14:56:05,463 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 [2022-12-13 14:56:05,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-12-13 14:56:05,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,478 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 14:56:05,481 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 [2022-12-13 14:56:05,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 14:56:05,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,496 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 14:56:05,498 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 [2022-12-13 14:56:05,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:56:05,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:56:05,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 14:56:05,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,517 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 14:56:05,519 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 [2022-12-13 14:56:05,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 14:56:05,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,535 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 14:56:05,537 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 [2022-12-13 14:56:05,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-12-13 14:56:05,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,552 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 14:56:05,555 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 [2022-12-13 14:56:05,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:56:05,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:56:05,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 14:56:05,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,572 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 14:56:05,574 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 [2022-12-13 14:56:05,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-12-13 14:56:05,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,590 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 14:56:05,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 14:56:05,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:56:05,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:56:05,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-12-13 14:56:05,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,615 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 14:56:05,617 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 [2022-12-13 14:56:05,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 14:56:05,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,632 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 14:56:05,634 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 [2022-12-13 14:56:05,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-12-13 14:56:05,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,649 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 14:56:05,651 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 [2022-12-13 14:56:05,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 14:56:05,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,666 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 14:56:05,668 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 [2022-12-13 14:56:05,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-12-13 14:56:05,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,683 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 14:56:05,685 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 [2022-12-13 14:56:05,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:56:05,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:56:05,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-12-13 14:56:05,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,701 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 14:56:05,703 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 [2022-12-13 14:56:05,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-12-13 14:56:05,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,718 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 14:56:05,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 14:56:05,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-12-13 14:56:05,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,735 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 14:56:05,737 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 [2022-12-13 14:56:05,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:56:05,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:56:05,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:56:05,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:56:05,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-12-13 14:56:05,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,752 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 14:56:05,754 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 [2022-12-13 14:56:05,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:56:05,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:56:05,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:56:05,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:56:05,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:56:05,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:56:05,802 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 14:56:05,840 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-12-13 14:56:05,841 INFO L444 ModelExtractionUtils]: 34 out of 52 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-12-13 14:56:05,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:56:05,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:56:05,842 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:56:05,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 14:56:05,844 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 14:56:05,855 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 14:56:05,855 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 14:56:05,855 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~s2#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_3) = -1*ULTIMATE.start_cstrncmp_~s2#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_3 Supporting invariants [] [2022-12-13 14:56:05,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-12-13 14:56:05,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-12-13 14:56:05,977 INFO L156 tatePredicateManager]: 27 out of 28 supporting invariants were superfluous and have been removed [2022-12-13 14:56:05,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:56:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:56:06,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 14:56:06,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:56:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:56:06,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 14:56:06,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:56:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:56:06,074 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-12-13 14:56:06,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:56:06,111 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 28 transitions. Complement of second has 6 states. [2022-12-13 14:56:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 14:56:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:56:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-12-13 14:56:06,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 14 letters. Loop has 5 letters. [2022-12-13 14:56:06,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:56:06,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 19 letters. Loop has 5 letters. [2022-12-13 14:56:06,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:56:06,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 14 letters. Loop has 10 letters. [2022-12-13 14:56:06,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:56:06,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2022-12-13 14:56:06,113 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 14:56:06,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-12-13 14:56:06,113 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 14:56:06,113 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 14:56:06,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 14:56:06,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:56:06,113 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:56:06,113 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:56:06,113 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:56:06,113 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 14:56:06,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:56:06,113 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 14:56:06,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 14:56:06,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 02:56:06 BoogieIcfgContainer [2022-12-13 14:56:06,118 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 14:56:06,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:56:06,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:56:06,119 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:56:06,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:55:58" (3/4) ... [2022-12-13 14:56:06,121 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:56:06,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:56:06,121 INFO L158 Benchmark]: Toolchain (without parser) took 8052.82ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 90.5MB in the beginning and 94.8MB in the end (delta: -4.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-12-13 14:56:06,121 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:56:06,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.79ms. Allocated memory is still 132.1MB. Free memory was 90.5MB in the beginning and 74.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 14:56:06,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.69ms. Allocated memory is still 132.1MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:56:06,122 INFO L158 Benchmark]: Boogie Preprocessor took 19.25ms. Allocated memory is still 132.1MB. Free memory was 72.1MB in the beginning and 70.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:56:06,122 INFO L158 Benchmark]: RCFGBuilder took 299.09ms. Allocated memory is still 132.1MB. Free memory was 70.5MB in the beginning and 57.5MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:56:06,122 INFO L158 Benchmark]: BuchiAutomizer took 7417.13ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 57.5MB in the beginning and 95.8MB in the end (delta: -38.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:56:06,122 INFO L158 Benchmark]: Witness Printer took 2.34ms. Allocated memory is still 159.4MB. Free memory was 95.8MB in the beginning and 94.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:56:06,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.79ms. Allocated memory is still 132.1MB. Free memory was 90.5MB in the beginning and 74.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.69ms. Allocated memory is still 132.1MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.25ms. Allocated memory is still 132.1MB. Free memory was 72.1MB in the beginning and 70.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.09ms. Allocated memory is still 132.1MB. Free memory was 70.5MB in the beginning and 57.5MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 7417.13ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 57.5MB in the beginning and 95.8MB in the end (delta: -38.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.34ms. Allocated memory is still 159.4MB. Free memory was 95.8MB in the beginning and 94.8MB 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, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[nondetString1] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * nondetString2 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s2 and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 6.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 151 mSDsluCounter, 250 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 171 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 79 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital216 mio100 ax110 hnf100 lsp82 ukn78 mio100 lsp50 div167 bol100 ite100 ukn100 eq161 hnf92 smp72 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 14:56:06,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc9f964-d08a-4b3d-aa25-77e14b7ab838/bin/uautomizer-uyxdKDjOR8/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