./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strchr-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strchr-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ --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 c72d4b54465b49a8be7d6b67decf7d9407d163e58bb229fc2ca0587a37abb515 --- 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-dbf71c6-m [2022-10-17 10:10:29,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:10:29,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:10:29,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:10:29,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:10:29,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:10:29,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:10:29,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:10:29,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:10:29,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:10:29,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:10:29,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:10:29,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:10:29,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:10:29,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:10:29,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:10:29,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:10:29,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:10:29,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:10:29,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:10:29,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:10:29,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:10:29,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:10:29,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:10:29,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:10:29,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:10:29,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:10:29,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:10:29,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:10:29,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:10:29,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:10:29,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:10:29,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:10:29,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:10:29,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:10:29,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:10:29,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:10:29,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:10:29,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:10:29,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:10:29,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:10:29,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-10-17 10:10:29,601 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:10:29,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:10:29,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:10:29,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:10:29,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:10:29,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:10:29,607 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:10:29,607 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:10:29,608 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:10:29,608 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:10:29,609 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:10:29,610 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:10:29,610 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:10:29,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:10:29,611 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:10:29,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:10:29,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:10:29,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:10:29,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:10:29,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:10:29,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:10:29,612 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:10:29,613 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:10:29,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:10:29,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:10:29,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:10:29,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:10:29,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:10:29,625 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:10:29,626 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_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c72d4b54465b49a8be7d6b67decf7d9407d163e58bb229fc2ca0587a37abb515 [2022-10-17 10:10:29,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:10:30,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:10:30,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:10:30,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:10:30,031 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:10:30,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/termination-dietlibc/strchr-1.i [2022-10-17 10:10:30,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/data/c62262dc9/3421e33c6e8a49a0bc3598e6103c96d2/FLAG3dec8fe31 [2022-10-17 10:10:30,671 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:10:30,671 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/sv-benchmarks/c/termination-dietlibc/strchr-1.i [2022-10-17 10:10:30,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/data/c62262dc9/3421e33c6e8a49a0bc3598e6103c96d2/FLAG3dec8fe31 [2022-10-17 10:10:30,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/data/c62262dc9/3421e33c6e8a49a0bc3598e6103c96d2 [2022-10-17 10:10:30,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:10:30,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:10:30,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:10:30,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:10:30,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:10:30,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:10:30" (1/1) ... [2022-10-17 10:10:31,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c3257a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:30, skipping insertion in model container [2022-10-17 10:10:31,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:10:30" (1/1) ... [2022-10-17 10:10:31,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:10:31,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:10:31,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:10:31,459 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:10:31,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:10:31,571 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:10:31,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31 WrapperNode [2022-10-17 10:10:31,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:10:31,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:10:31,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:10:31,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:10:31,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (1/1) ... [2022-10-17 10:10:31,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (1/1) ... [2022-10-17 10:10:31,621 INFO L138 Inliner]: procedures = 113, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-10-17 10:10:31,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:10:31,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:10:31,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:10:31,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:10:31,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (1/1) ... [2022-10-17 10:10:31,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (1/1) ... [2022-10-17 10:10:31,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (1/1) ... [2022-10-17 10:10:31,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (1/1) ... [2022-10-17 10:10:31,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (1/1) ... [2022-10-17 10:10:31,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (1/1) ... [2022-10-17 10:10:31,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (1/1) ... [2022-10-17 10:10:31,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (1/1) ... [2022-10-17 10:10:31,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:10:31,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:10:31,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:10:31,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:10:31,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (1/1) ... [2022-10-17 10:10:31,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:31,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:31,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:31,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:10:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:10:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:10:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:10:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:10:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:10:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:10:31,827 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:10:31,829 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:10:31,996 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:10:32,003 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:10:32,003 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:10:32,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:32 BoogieIcfgContainer [2022-10-17 10:10:32,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:10:32,007 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:10:32,007 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:10:32,013 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:10:32,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:32,014 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:10:30" (1/3) ... [2022-10-17 10:10:32,015 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e6e4439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:10:32, skipping insertion in model container [2022-10-17 10:10:32,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:32,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:31" (2/3) ... [2022-10-17 10:10:32,016 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e6e4439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:10:32, skipping insertion in model container [2022-10-17 10:10:32,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:32,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:32" (3/3) ... [2022-10-17 10:10:32,018 INFO L332 chiAutomizerObserver]: Analyzing ICFG strchr-1.i [2022-10-17 10:10:32,081 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:10:32,081 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:10:32,082 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:10:32,082 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:10:32,082 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:10:32,082 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:10:32,082 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:10:32,083 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:10:32,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 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) [2022-10-17 10:10:32,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-10-17 10:10:32,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:32,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:32,116 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:10:32,116 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:32,117 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:10:32,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 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) [2022-10-17 10:10:32,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-10-17 10:10:32,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:32,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:32,121 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:10:32,121 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:32,130 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~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;main_~in_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 17#L519true assume !(main_~in_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~the_int~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume { :begin_inline_strchr } true;strchr_#in~t#1.base, strchr_#in~t#1.offset, strchr_#in~c#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc strchr_#res#1.base, strchr_#res#1.offset;havoc strchr_#t~mem2#1, strchr_#t~mem3#1, strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset, strchr_#t~mem5#1, strchr_#t~mem6#1, strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset, strchr_#t~mem8#1, strchr_#t~mem9#1, strchr_#t~pre10#1.base, strchr_#t~pre10#1.offset, strchr_#t~mem11#1, strchr_#t~mem12#1, strchr_#t~pre13#1.base, strchr_#t~pre13#1.offset, strchr_~t#1.base, strchr_~t#1.offset, strchr_~c#1, strchr_~ch~0#1;strchr_~t#1.base, strchr_~t#1.offset := strchr_#in~t#1.base, strchr_#in~t#1.offset;strchr_~c#1 := strchr_#in~c#1;havoc strchr_~ch~0#1;strchr_~ch~0#1 := (if strchr_~c#1 % 256 <= 127 then strchr_~c#1 % 256 else strchr_~c#1 % 256 - 256); 13#L509-2true [2022-10-17 10:10:32,131 INFO L750 eck$LassoCheckResult]: Loop: 13#L509-2true assume !false;call strchr_#t~mem2#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 16#L510true assume !(strchr_#t~mem2#1 == strchr_~ch~0#1);havoc strchr_#t~mem2#1;call strchr_#t~mem3#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 8#L510-2true assume !(0 == strchr_#t~mem3#1);havoc strchr_#t~mem3#1;strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset;call strchr_#t~mem5#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 4#L511true assume !(strchr_#t~mem5#1 == strchr_~ch~0#1);havoc strchr_#t~mem5#1;call strchr_#t~mem6#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 10#L511-2true assume !(0 == strchr_#t~mem6#1);havoc strchr_#t~mem6#1;strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset;call strchr_#t~mem8#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 15#L512true assume !(strchr_#t~mem8#1 == strchr_~ch~0#1);havoc strchr_#t~mem8#1;call strchr_#t~mem9#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 5#L512-2true assume !(0 == strchr_#t~mem9#1);havoc strchr_#t~mem9#1;strchr_#t~pre10#1.base, strchr_#t~pre10#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre10#1.base, strchr_#t~pre10#1.offset;call strchr_#t~mem11#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 14#L513true assume !(strchr_#t~mem11#1 == strchr_~ch~0#1);havoc strchr_#t~mem11#1;call strchr_#t~mem12#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 12#L513-2true assume !(0 == strchr_#t~mem12#1);havoc strchr_#t~mem12#1;strchr_#t~pre13#1.base, strchr_#t~pre13#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre13#1.base, strchr_#t~pre13#1.offset; 13#L509-2true [2022-10-17 10:10:32,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:32,138 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-10-17 10:10:32,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:32,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865603394] [2022-10-17 10:10:32,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:32,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:32,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:32,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:32,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:32,342 INFO L85 PathProgramCache]: Analyzing trace with hash 563131458, now seen corresponding path program 1 times [2022-10-17 10:10:32,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:32,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886007593] [2022-10-17 10:10:32,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:32,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:32,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:32,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:32,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:32,416 INFO L85 PathProgramCache]: Analyzing trace with hash -208288001, now seen corresponding path program 1 times [2022-10-17 10:10:32,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:32,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115741464] [2022-10-17 10:10:32,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:32,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:32,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:32,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:33,634 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:33,635 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:33,635 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:33,635 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:33,635 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:10:33,636 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:33,636 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:33,636 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:33,637 INFO L133 ssoRankerPreferences]: Filename of dumped script: strchr-1.i_Iteration1_Lasso [2022-10-17 10:10:33,638 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:33,638 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:33,668 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:33,682 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:33,684 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:33,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:33,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:33,698 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:33,701 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,237 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,240 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,244 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,251 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,256 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,259 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,278 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,286 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:34,581 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-10-17 10:10:43,285 WARN L233 SmtUtils]: Spent 8.51s on a formula simplification. DAG size of input: 295 DAG size of output: 185 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-10-17 10:10:43,424 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:43,429 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:10:43,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,440 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 [2022-10-17 10:10:43,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:43,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:43,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:43,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:10:43,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:10:43,500 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 [2022-10-17 10:10:43,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:43,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:43,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:43,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,581 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,587 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 [2022-10-17 10:10:43,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:43,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:43,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:43,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:10:43,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,638 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:10:43,639 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 [2022-10-17 10:10:43,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:43,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:43,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:43,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:10:43,717 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 [2022-10-17 10:10:43,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:10:43,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:10:43,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,787 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:10:43,792 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 [2022-10-17 10:10:43,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:43,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:43,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:43,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,828 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:10:43,830 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 [2022-10-17 10:10:43,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:10:43,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:10:43,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,902 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64275f6-4bd9-4d21-a1a4-9a4164c85937/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:10:43,910 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 [2022-10-17 10:10:43,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,917 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-10-17 10:10:43,917 INFO L204 nArgumentSynthesizer]: 146 loop disjuncts [2022-10-17 10:10:43,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.