./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/add_first_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_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/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_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/add_first_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/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_c814a02b-315f-43fd-ad39-31998714d1c5/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 ea4968571782a0593108aa19fa3fb36ed47eace1a8ac492bcee5a609e0ff08b8 --- 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 20:52:28,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:52:28,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:52:28,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:52:28,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:52:28,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:52:28,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:52:28,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:52:28,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:52:28,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:52:28,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:52:28,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:52:28,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:52:28,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:52:28,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:52:28,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:52:28,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:52:28,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:52:28,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:52:28,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:52:28,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:52:28,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:52:28,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:52:28,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:52:28,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:52:28,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:52:28,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:52:28,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:52:28,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:52:28,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:52:28,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:52:28,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:52:28,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:52:28,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:52:28,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:52:28,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:52:28,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:52:28,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:52:28,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:52:28,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:52:28,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:52:28,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:52:28,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:52:28,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:52:28,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:52:28,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:52:28,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:52:28,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:52:28,580 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:52:28,580 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:52:28,580 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:52:28,581 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:52:28,581 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:52:28,581 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:52:28,581 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:52:28,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:52:28,582 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:52:28,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:52:28,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:52:28,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:52:28,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:52:28,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:52:28,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:52:28,583 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:52:28,584 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:52:28,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:52:28,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:52:28,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:52:28,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:52:28,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:52:28,586 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:52:28,586 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_c814a02b-315f-43fd-ad39-31998714d1c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea4968571782a0593108aa19fa3fb36ed47eace1a8ac492bcee5a609e0ff08b8 [2022-11-02 20:52:28,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:52:28,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:52:28,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:52:28,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:52:28,905 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:52:28,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-15/add_first_alloca.i [2022-11-02 20:52:28,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/data/276342e43/c494684f7cfd4aef9806eea3d9ce3e95/FLAGcb1314008 [2022-11-02 20:52:29,622 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:52:29,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/sv-benchmarks/c/termination-15/add_first_alloca.i [2022-11-02 20:52:29,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/data/276342e43/c494684f7cfd4aef9806eea3d9ce3e95/FLAGcb1314008 [2022-11-02 20:52:29,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/data/276342e43/c494684f7cfd4aef9806eea3d9ce3e95 [2022-11-02 20:52:29,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:52:29,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:52:29,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:52:29,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:52:29,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:52:29,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:29" (1/1) ... [2022-11-02 20:52:29,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497c0072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:29, skipping insertion in model container [2022-11-02 20:52:29,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:29" (1/1) ... [2022-11-02 20:52:29,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:52:30,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:52:30,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:52:30,359 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:52:30,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:52:30,424 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:52:30,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30 WrapperNode [2022-11-02 20:52:30,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:52:30,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:52:30,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:52:30,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:52:30,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (1/1) ... [2022-11-02 20:52:30,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (1/1) ... [2022-11-02 20:52:30,459 INFO L138 Inliner]: procedures = 151, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-11-02 20:52:30,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:52:30,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:52:30,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:52:30,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:52:30,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (1/1) ... [2022-11-02 20:52:30,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (1/1) ... [2022-11-02 20:52:30,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (1/1) ... [2022-11-02 20:52:30,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (1/1) ... [2022-11-02 20:52:30,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (1/1) ... [2022-11-02 20:52:30,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (1/1) ... [2022-11-02 20:52:30,480 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (1/1) ... [2022-11-02 20:52:30,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (1/1) ... [2022-11-02 20:52:30,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:52:30,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:52:30,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:52:30,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:52:30,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (1/1) ... [2022-11-02 20:52:30,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:30,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:30,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:30,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:52:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:52:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:52:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:52:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:52:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:52:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:52:30,690 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:52:30,693 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:52:30,836 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:52:30,842 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:52:30,842 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:52:30,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:30 BoogieIcfgContainer [2022-11-02 20:52:30,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:52:30,845 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:52:30,845 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:52:30,858 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:52:30,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:52:30,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:52:29" (1/3) ... [2022-11-02 20:52:30,860 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@653bdaba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:52:30, skipping insertion in model container [2022-11-02 20:52:30,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:52:30,860 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:30" (2/3) ... [2022-11-02 20:52:30,860 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@653bdaba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:52:30, skipping insertion in model container [2022-11-02 20:52:30,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:52:30,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:30" (3/3) ... [2022-11-02 20:52:30,862 INFO L332 chiAutomizerObserver]: Analyzing ICFG add_first_alloca.i [2022-11-02 20:52:30,967 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:52:30,979 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:52:30,979 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:52:30,979 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:52:30,980 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:52:30,980 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:52:30,980 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:52:30,980 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:52:30,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:52:31,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:52:31,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:52:31,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:52:31,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:52:31,009 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:52:31,009 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:52:31,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:52:31,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:52:31,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:52:31,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:52:31,012 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:52:31,012 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:52:31,020 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~mem209#1, main_#t~mem210#1, main_#t~post211#1.base, main_#t~post211#1.offset, main_#t~mem207#1, main_#t~mem208#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 9#L367true assume !(main_~length~0#1 < 1); 5#L367-2true call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 6#L369true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~a~0#1.base, main_~a~0#1.offset := main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~length~0#1 - 4; 2#L371-3true [2022-11-02 20:52:31,020 INFO L750 eck$LassoCheckResult]: Loop: 2#L371-3true call main_#t~mem207#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset, 4);call main_#t~mem208#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4); 7#L371-1true assume !!(main_#t~mem207#1 != main_#t~mem208#1);havoc main_#t~mem207#1;havoc main_#t~mem208#1;call main_#t~mem209#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset, 4);call main_#t~mem210#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);call write~int(main_#t~mem209#1 + main_#t~mem210#1, main_~a~0#1.base, main_~a~0#1.offset, 4);havoc main_#t~mem209#1;havoc main_#t~mem210#1;main_#t~post211#1.base, main_#t~post211#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~a~0#1.base, main_~a~0#1.offset := main_#t~post211#1.base, main_#t~post211#1.offset - 4;havoc main_#t~post211#1.base, main_#t~post211#1.offset; 2#L371-3true [2022-11-02 20:52:31,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:31,027 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2022-11-02 20:52:31,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:31,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454912374] [2022-11-02 20:52:31,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:31,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:52:31,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:52:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:52:31,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:52:31,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:31,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2022-11-02 20:52:31,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:31,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729541403] [2022-11-02 20:52:31,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:31,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:52:31,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:52:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:52:31,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:52:31,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:31,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2022-11-02 20:52:31,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:31,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829987883] [2022-11-02 20:52:31,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:31,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:52:31,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:52:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:52:31,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:52:31,848 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:52:31,849 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:52:31,849 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:52:31,849 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:52:31,849 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:52:31,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:31,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:52:31,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:52:31,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_first_alloca.i_Iteration1_Lasso [2022-11-02 20:52:31,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:52:31,851 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:52:31,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:52:31,905 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 20:52:31,909 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 20:52:31,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:52:31,931 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:52:31,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:52:31,951 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:52:31,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:52:31,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:52:31,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:52:31,963 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:52:32,351 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 20:52:32,355 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 20:52:32,902 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:52:32,907 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:52:32,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:32,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:32,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:32,935 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 20:52:32,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:52:32,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:32,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:52:32,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:32,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:32,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:32,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:52:32,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:52:32,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:52:33,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:33,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:33,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:33,019 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:33,023 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 20:52:33,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:52:33,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:33,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:52:33,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:33,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:33,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:33,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:52:33,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:52:33,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:52:33,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:33,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:33,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:33,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:33,090 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 20:52:33,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:52:33,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:33,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:33,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:33,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:33,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:52:33,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:52:33,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:52:33,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:33,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:33,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:33,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:33,206 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 20:52:33,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:52:33,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:33,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:52:33,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:33,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:33,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:33,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:52:33,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:52:33,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:52:33,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:33,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:33,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:33,292 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:33,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:52:33,295 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 20:52:33,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:33,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:52:33,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:33,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:33,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:33,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:52:33,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:52:33,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:52:33,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:33,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:33,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:33,376 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:33,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:52:33,385 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 20:52:33,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:33,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:52:33,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:33,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:33,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:33,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:52:33,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:52:33,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:52:33,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:33,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:33,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:33,465 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:33,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:52:33,476 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 20:52:33,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:33,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:52:33,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:33,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:33,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:33,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:52:33,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:52:33,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:52:33,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:33,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:33,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:33,536 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:33,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:52:33,538 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 20:52:33,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:33,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:52:33,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:33,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:33,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:33,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:52:33,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:52:33,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:52:33,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:33,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:33,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:33,612 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:33,622 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 20:52:33,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:52:33,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:33,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:52:33,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:33,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:33,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:33,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:52:33,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:52:33,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:52:33,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:33,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:33,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:33,708 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:33,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:52:33,711 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 20:52:33,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:33,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:33,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:33,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:33,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:52:33,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:52:33,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:52:33,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:33,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:33,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:33,813 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:33,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:52:33,820 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 20:52:33,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:33,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:33,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:33,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:33,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:52:33,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:52:33,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:52:33,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:33,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:33,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:33,916 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:33,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:52:33,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:52:33,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:52:33,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:52:33,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:52:33,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:52:33,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:52:33,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:52:33,993 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:52:34,023 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-02 20:52:34,024 INFO L444 ModelExtractionUtils]: 17 out of 25 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-02 20:52:34,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:52:34,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:34,029 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:34,054 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:52:34,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:52:34,091 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:52:34,092 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:52:34,092 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1.offset) = 1*ULTIMATE.start_main_~a~0#1.offset + 2 Supporting invariants [] [2022-11-02 20:52:34,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:34,160 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-02 20:52:34,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:34,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:52:34,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:52:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:34,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:52:34,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:52:34,266 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 20:52:34,310 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 20:52:34,313 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 20:52:34,361 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 24 states and 27 transitions. Complement of second has 5 states. [2022-11-02 20:52:34,363 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 20:52:34,369 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 20:52:34,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-11-02 20:52:34,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-02 20:52:34,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:52:34,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-02 20:52:34,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:52:34,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-02 20:52:34,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:52:34,375 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2022-11-02 20:52:34,377 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:52:34,380 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-11-02 20:52:34,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:52:34,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:52:34,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:52:34,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:52:34,383 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:52:34,383 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:52:34,384 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:52:34,384 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:52:34,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:52:34,384 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:52:34,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:52:34,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:52:34 BoogieIcfgContainer [2022-11-02 20:52:34,394 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:52:34,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:52:34,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:52:34,395 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:52:34,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:30" (3/4) ... [2022-11-02 20:52:34,399 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:52:34,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:52:34,401 INFO L158 Benchmark]: Toolchain (without parser) took 4452.08ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 77.4MB in the beginning and 109.2MB in the end (delta: -31.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-02 20:52:34,401 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:52:34,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.15ms. Allocated memory is still 121.6MB. Free memory was 77.2MB in the beginning and 87.7MB in the end (delta: -10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:52:34,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.74ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 85.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:52:34,404 INFO L158 Benchmark]: Boogie Preprocessor took 21.72ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 84.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:52:34,404 INFO L158 Benchmark]: RCFGBuilder took 361.29ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 74.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:52:34,405 INFO L158 Benchmark]: BuchiAutomizer took 3548.59ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 74.4MB in the beginning and 109.2MB in the end (delta: -34.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-02 20:52:34,405 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 167.8MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:52:34,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.15ms. Allocated memory is still 121.6MB. Free memory was 77.2MB in the beginning and 87.7MB in the end (delta: -10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.74ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 85.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.72ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 84.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.29ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 74.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3548.59ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 74.4MB in the beginning and 109.2MB in the end (delta: -34.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 167.8MB. Free memory is still 109.2MB. 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 a + 2 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. 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, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital136 mio100 ax100 hnf100 lsp95 ukn91 mio100 lsp53 div160 bol100 ite100 ukn100 eq166 hnf92 smp76 dnf100 smp100 tf100 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 71ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:52:34,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:34,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c814a02b-315f-43fd-ad39-31998714d1c5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE