./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2261b8075e5a5018e09c71b2ef98f1a55d20ac7ba7a361137d9c5ebaba61150 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:58:38,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:58:38,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:58:38,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:58:38,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:58:38,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:58:38,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:58:38,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:58:38,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:58:38,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:58:38,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:58:38,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:58:38,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:58:38,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:58:38,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:58:38,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:58:38,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:58:38,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:58:38,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:58:38,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:58:38,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:58:38,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:58:38,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:58:38,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:58:38,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:58:38,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:58:38,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:58:38,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:58:38,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:58:38,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:58:38,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:58:38,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:58:38,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:58:38,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:58:38,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:58:38,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:58:38,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:58:38,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:58:38,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:58:38,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:58:38,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:58:38,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:58:38,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:58:38,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:58:38,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:58:38,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:58:38,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:58:38,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:58:38,538 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:58:38,539 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:58:38,539 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:58:38,539 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:58:38,540 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:58:38,540 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:58:38,540 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:58:38,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:58:38,541 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:58:38,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:58:38,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:58:38,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:58:38,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:58:38,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:58:38,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:58:38,543 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:58:38,543 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:58:38,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:58:38,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:58:38,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:58:38,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:58:38,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:58:38,546 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:58:38,546 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_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2261b8075e5a5018e09c71b2ef98f1a55d20ac7ba7a361137d9c5ebaba61150 [2022-11-02 20:58:38,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:58:38,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:58:38,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:58:38,918 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:58:38,919 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:58:38,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2022-11-02 20:58:38,996 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/data/0bf4036e2/747e447155a94e34930c91f839f9a52f/FLAGb13f11573 [2022-11-02 20:58:39,723 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:58:39,724 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2022-11-02 20:58:39,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/data/0bf4036e2/747e447155a94e34930c91f839f9a52f/FLAGb13f11573 [2022-11-02 20:58:39,952 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/data/0bf4036e2/747e447155a94e34930c91f839f9a52f [2022-11-02 20:58:39,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:58:39,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:58:39,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:39,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:58:39,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:58:39,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:39" (1/1) ... [2022-11-02 20:58:39,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa4b8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:39, skipping insertion in model container [2022-11-02 20:58:39,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:39" (1/1) ... [2022-11-02 20:58:39,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:58:40,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:58:40,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:40,444 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:58:40,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:40,570 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:58:40,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40 WrapperNode [2022-11-02 20:58:40,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:40,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:40,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:58:40,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:58:40,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (1/1) ... [2022-11-02 20:58:40,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (1/1) ... [2022-11-02 20:58:40,647 INFO L138 Inliner]: procedures = 152, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2022-11-02 20:58:40,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:40,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:58:40,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:58:40,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:58:40,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (1/1) ... [2022-11-02 20:58:40,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (1/1) ... [2022-11-02 20:58:40,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (1/1) ... [2022-11-02 20:58:40,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (1/1) ... [2022-11-02 20:58:40,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (1/1) ... [2022-11-02 20:58:40,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (1/1) ... [2022-11-02 20:58:40,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (1/1) ... [2022-11-02 20:58:40,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (1/1) ... [2022-11-02 20:58:40,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:58:40,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:58:40,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:58:40,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:58:40,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (1/1) ... [2022-11-02 20:58:40,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:40,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:40,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:40,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:58:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:58:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:58:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:58:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:58:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:58:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:58:40,946 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:58:40,949 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:58:41,160 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:58:41,166 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:58:41,167 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:58:41,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:41 BoogieIcfgContainer [2022-11-02 20:58:41,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:58:41,171 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:58:41,171 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:58:41,176 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:58:41,177 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:58:41,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:58:39" (1/3) ... [2022-11-02 20:58:41,179 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10d27891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:58:41, skipping insertion in model container [2022-11-02 20:58:41,179 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:58:41,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:40" (2/3) ... [2022-11-02 20:58:41,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10d27891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:58:41, skipping insertion in model container [2022-11-02 20:58:41,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:58:41,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:41" (3/3) ... [2022-11-02 20:58:41,182 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrchr_reverse_alloca.i [2022-11-02 20:58:41,302 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:58:41,310 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:58:41,310 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:58:41,310 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:58:41,311 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:58:41,311 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:58:41,311 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:58:41,312 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:58:41,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:41,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:58:41,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:41,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:41,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:58:41,374 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:58:41,375 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:58:41,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:41,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:58:41,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:41,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:41,380 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:58:41,381 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:58:41,391 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet211#1, main_#t~malloc212#1.base, main_#t~malloc212#1.offset, main_#t~nondet213#1, main_#t~ret214#1.base, main_#t~ret214#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet211#1;havoc main_#t~nondet211#1; 12#L372true assume !(main_~length~0#1 < 1); 14#L372-2true call main_#t~malloc212#1.base, main_#t~malloc212#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc212#1.base, main_#t~malloc212#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, 1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1);assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet213#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset, cstrchr_#t~mem205#1, cstrchr_#t~mem206#1, cstrchr_#t~short207#1, cstrchr_#t~mem209#1, cstrchr_#t~ite210#1.base, cstrchr_#t~ite210#1.offset, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 10#L366-5true [2022-11-02 20:58:41,393 INFO L750 eck$LassoCheckResult]: Loop: 10#L366-5true call cstrchr_#t~mem205#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short207#1 := 0 != cstrchr_#t~mem205#1; 13#L366-1true assume cstrchr_#t~short207#1;call cstrchr_#t~mem206#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short207#1 := cstrchr_#t~mem206#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 5#L366-3true assume !!cstrchr_#t~short207#1;havoc cstrchr_#t~mem205#1;havoc cstrchr_#t~mem206#1;havoc cstrchr_#t~short207#1;cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset - 1;havoc cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset; 10#L366-5true [2022-11-02 20:58:41,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:41,408 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-02 20:58:41,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:41,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404719193] [2022-11-02 20:58:41,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:41,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:41,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:41,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:41,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:41,668 INFO L85 PathProgramCache]: Analyzing trace with hash 43797, now seen corresponding path program 1 times [2022-11-02 20:58:41,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:41,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70429560] [2022-11-02 20:58:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:41,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:41,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:41,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:41,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:41,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815409, now seen corresponding path program 1 times [2022-11-02 20:58:41,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:41,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005748646] [2022-11-02 20:58:41,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:41,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:41,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:41,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:42,636 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:42,637 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:42,638 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:42,638 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:42,638 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:58:42,638 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:42,639 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:42,639 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:42,640 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr_reverse_alloca.i_Iteration1_Lasso [2022-11-02 20:58:42,640 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:42,640 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:42,677 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,718 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,749 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,754 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,759 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:42,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:43,896 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:43,903 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:58:43,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:43,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:43,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:43,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:43,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:58:43,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:43,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:43,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:43,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:43,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:43,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:43,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:43,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:43,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:43,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:43,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:43,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:43,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:58:44,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:58:44,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:58:44,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:58:44,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,149 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:58:44,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,224 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:58:44,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,293 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:58:44,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,364 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:58:44,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,438 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:58:44,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:58:44,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:58:44,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,509 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:58:44,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,579 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:58:44,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,651 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:58:44,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,722 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:58:44,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,796 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:58:44,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-11-02 20:58:44,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,845 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 20:58:44,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,895 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 20:58:44,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:44,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:44,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:44,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:44,962 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:44,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 20:58:44,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:44,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:44,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:44,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:44,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:44,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:44,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:44,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:44,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:45,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:45,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:45,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:45,004 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:45,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 20:58:45,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:45,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:45,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:45,022 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-11-02 20:58:45,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:45,127 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2022-11-02 20:58:45,127 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-02 20:58:45,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:45,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:45,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:45,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:45,341 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:45,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:45,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:45,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:45,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:45,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:45,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 20:58:45,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:58:45,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:58:45,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:45,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:45,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:45,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:45,416 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:45,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 20:58:45,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:45,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:45,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:45,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:45,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:45,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:58:45,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:58:45,476 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:58:45,502 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-02 20:58:45,502 INFO L444 ModelExtractionUtils]: 5 out of 25 variables were initially zero. Simplification set additionally 17 variables to zero. [2022-11-02 20:58:45,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:45,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:45,506 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:45,521 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:58:45,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 20:58:45,543 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:58:45,543 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:58:45,544 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrchr_~s#1.offset) = 2*ULTIMATE.start_cstrchr_~s#1.offset + 1 Supporting invariants [] [2022-11-02 20:58:45,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:45,608 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-02 20:58:45,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:45,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:58:45,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:45,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:58:45,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:45,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:45,734 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 20:58:45,736 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:45,780 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 31 states and 39 transitions. Complement of second has 5 states. [2022-11-02 20:58:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:58:45,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:45,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2022-11-02 20:58:45,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 3 letters. [2022-11-02 20:58:45,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:45,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-02 20:58:45,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:45,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 6 letters. [2022-11-02 20:58:45,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:45,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2022-11-02 20:58:45,793 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:58:45,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2022-11-02 20:58:45,797 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:58:45,797 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:58:45,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:58:45,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:45,798 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:58:45,798 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:58:45,798 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:58:45,798 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:58:45,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:58:45,799 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:58:45,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:58:45,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:58:45 BoogieIcfgContainer [2022-11-02 20:58:45,806 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:58:45,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:58:45,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:58:45,807 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:58:45,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:41" (3/4) ... [2022-11-02 20:58:45,810 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:58:45,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:58:45,811 INFO L158 Benchmark]: Toolchain (without parser) took 5852.58ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 87.9MB in the beginning and 56.2MB in the end (delta: 31.7MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2022-11-02 20:58:45,812 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:45,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.81ms. Allocated memory is still 127.9MB. Free memory was 87.7MB in the beginning and 92.9MB in the end (delta: -5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:58:45,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.55ms. Allocated memory is still 127.9MB. Free memory was 92.9MB in the beginning and 91.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:45,813 INFO L158 Benchmark]: Boogie Preprocessor took 57.99ms. Allocated memory is still 127.9MB. Free memory was 91.2MB in the beginning and 89.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:45,814 INFO L158 Benchmark]: RCFGBuilder took 460.78ms. Allocated memory is still 127.9MB. Free memory was 89.7MB in the beginning and 78.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:58:45,814 INFO L158 Benchmark]: BuchiAutomizer took 4635.18ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 78.7MB in the beginning and 56.2MB in the end (delta: 22.5MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2022-11-02 20:58:45,815 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 167.8MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:45,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.81ms. Allocated memory is still 127.9MB. Free memory was 87.7MB in the beginning and 92.9MB in the end (delta: -5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.55ms. Allocated memory is still 127.9MB. Free memory was 92.9MB in the beginning and 91.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.99ms. Allocated memory is still 127.9MB. Free memory was 91.2MB in the beginning and 89.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 460.78ms. Allocated memory is still 127.9MB. Free memory was 89.7MB in the beginning and 78.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4635.18ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 78.7MB in the beginning and 56.2MB in the end (delta: 22.5MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 167.8MB. Free memory is still 56.2MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * s + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital164 mio100 ax100 hnf100 lsp96 ukn87 mio100 lsp40 div166 bol100 ite100 ukn100 eq162 hnf92 smp74 dnf540 smp30 tf100 neg93 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 297ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:58:45,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:46,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08dbb223-9814-4d37-b93d-ce34af8ad743/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE